Bolthole Index

Sagadahoc County, Maine

Building permits, zoning and land rules in Sagadahoc County, Maine

81Index Score / 100
#11 of 16 in Maine

Sagadahoc County, Maine does not issue one countywide residential building permit: ask the municipality, while the Maine Land Use Planning Commission handles building permits in unorganized Perkins Township12. Municipalities handle local zoning, and LUPC zones Perkins Township3. Septic permits remain under statewide Maine CDC rules and are issued by the appropriate Local Plumbing Inspector, not the county4.

At a glance

Building permit
Ask the municipality; MUBEC enforcement is mandatory above 4,000 residents and optional below that threshold15
Zoning
Municipal rules vary; LUPC zoning applies in unorganized Perkins Township3
Septic permit
Required for new, expanded or replacement systems and issued by the Local Plumbing Inspector under state rules67
RV living
Private-land occupancy was not confirmed countywide; ask the municipality or LUPC for the parcel89
Tiny home
Allowed where single-family homes are allowed, subject to the same applicable land-use requirements10
Owner-builder
A written contract-law exemption is available, but it does not waive building, zoning, septic or inspection rules11
Septic soils
Only 13.8% of soils lack severe limits for a conventional drain field12

Who to call

Septic permits

Maine CDC Subsurface Wastewater Program

Statewide subsurface wastewater rules, forms and fee schedule; the relevant municipal Local Plumbing Inspector issues the permit

(207) 287-2070

subsurface.wastewater@maine.gov

Contact details are copied from each office’s official page and were checked against it on October 12, 2026.

Off-grid gear

Going off-grid in Sagadahoc County means bringing your own water and power. The kit we’d start with:

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Do you need a building permit in Sagadahoc County, Maine?

Sagadahoc County does not provide one countywide residential building-permit process; the parcel's municipality decides whether a local building permit is required, while a new house or camp in LUPC territory generally requires an LUPC building permit12. MUBEC enforcement is mandatory in municipalities with more than 4,000 residents and optional in smaller municipalities, although the owner remains responsible for applicable MUBEC compliance1314. The statutory MUBEC requirements exempt log homes or manufactured housing, post-and-beam or timber-frame construction, and crop-storage warehouses or silos15. Where MUBEC is enforced, the building official inspects construction unless certified third-party inspections are used16. A building in a municipality with more than 2,000 inhabitants may not be occupied until the building official issues a certificate of occupancy17.

Who issues building permits in Sagadahoc County, and how do you reach them?

Start with the code-enforcement office for the municipality named in the deed and tax record; building-permit administration is local rather than a single Sagadahoc County service1. Topsham handles its own building permits, with exemptions for qualifying nonstructural repairs and maintenance18. Topsham construction without public sewer also requires a plumbing-permit application and a site evaluation approved by the Plumbing Inspector19. For land in unorganized Perkins Township on Swan Island, contact the Maine Land Use Planning Commission about the zoning map and any LUPC building permit32. Municipal or LUPC control of building permits and zoning does not transfer septic authority to the county: Maine CDC oversees the statewide wastewater rules, and the assigned Local Plumbing Inspector processes the septic permit and inspections207. The Maine CDC Subsurface Wastewater Program can answer statewide questions21.

Does Sagadahoc County have zoning?

Zoning authority in Sagadahoc County is split: municipal land-use ordinances govern where adopted, while the Maine Land Use Planning Commission zones unorganized Perkins Township on Swan Island3. Shoreland zoning generally reaches land within 250 feet of specified waters and wetlands and within 75 feet of certain streams22. Ask the municipality or LUPC to confirm the parcel's district, setbacks, lot coverage, building height and minimum dwelling size; we could not confirm countywide figures. Municipalities in Sagadahoc County must allow qualifying manufactured housing on individual lots where single-family homes are allowed, subject to applicable requirements; municipalities may require residential design features such as a permanent foundation23. New manufactured housing placed by someone other than a qualifying licensed dealer requires the specified bill of sale or sales-tax certification, and any required manufactured-housing permit is not valid until sales-tax payment is certified23.

How do septic permits work in Sagadahoc County?

A septic permit is required before installing a new, expanded or replacement subsurface wastewater system, except for normal maintenance and repair6. Maine CDC sets and oversees the rules, while the assigned Local Plumbing Inspector examines the application, issues the septic permit and performs the inspections7. A non-engineered application generally must be prepared by a licensed site evaluator, and work cannot begin until the inspector issues the permit24. Only 13.8% of Sagadahoc County soils lack severe limitations for a conventional drain field, so obtain the site evaluation before treating a homesite as buildable12. The state fee schedule lists $250 for a complete non-engineered system and $200 for a complete engineered system, with separate percentage amounts and applicable water-quality surcharges; ask the Local Plumbing Inspector for the total, including any local charges25. A municipal ordinance may require sewer connection for a building on a lot abutting a public way containing sewer26. A sanitary district may request connection when a qualifying building or private drain is within 200 feet of its sewer, subject to exemptions for satisfactory lawful existing systems and the statutory easement protection27.

Can you live in an RV or tiny home on your land in Sagadahoc County?

We could not confirm one rule allowing or prohibiting residential RV occupancy on private land throughout Sagadahoc County. Ask the parcel's municipal code-enforcement office, or LUPC for unorganized Perkins Township, before moving an RV onto vacant land3. Maine's seasonal limit of 14 days in any 30-day period from May through November concerns specified public campsites, not private-land residency28. Tiny homes have a clearer rule: a municipality must permit a qualifying tiny home on an individual house lot where single-family dwellings are allowed, or as an accessory structure, subject to applicable land-use requirements10. Maine's accessory-dwelling law requires municipal allowance of qualifying units on residential lots, subject to its implementation date and conditions; adequate water and wastewater service must be documented before occupancy29. The statutory accessory-unit minimum is 190 square feet unless the Technical Building Codes and Standards Board adopts a different minimum; this is not a countywide minimum for every dwelling29. A tiny home or accessory dwelling still needs lawful sanitation, and new or replacement subsurface wastewater components generally require a septic permit30.

Building a home in Sagadahoc County: the steps, in order

  1. Identify the municipality from the deed and tax record, or confirm whether the parcel is in unorganized Perkins Township under LUPC jurisdiction3.
  1. Ask the municipal code office whether the project needs a building permit and zoning, shoreland or floodplain approval; ask LUPC instead in Perkins Township13.
  1. Ask whether public sewer connection is required before commissioning a septic design2627.
  1. If septic is appropriate, hire a licensed site evaluator and submit the design to the Local Plumbing Inspector before wastewater work begins24.
  1. Obtain a MaineDOT driveway permit before municipal permits if access is from a state roadway31.
  1. Obtain the building permit or LUPC building permit and arrange the required construction and septic inspections1632.
  1. Where the municipality has more than 2,000 inhabitants, receive the certificate of occupancy before moving in17.

What should you check before buying land in Sagadahoc County?

Confirm jurisdiction first: municipal ordinances vary, and unorganized Perkins Township uses LUPC zoning rather than a neighboring town's code3. Pay for septic feasibility early because only 13.8% of county soils lack severe limitations for a conventional drain field12. A shoreland-zone property with a subsurface wastewater system must receive a certified septic inspection when ownership transfers33. Check legal road access; a driveway onto a state roadway may require MaineDOT approval before local permits issue31. Splitting a tract into 3 or more lots within 5 years can trigger subdivision review, although a permanently protected agricultural interest may qualify for a narrow exemption3435. We could not confirm a general permit requirement for every private residential well36. A new public-source well needs Drinking Water Program site approval before drilling and testing for final approval; a significant groundwater well needs DEP approval unless another specified state permitting program covers it3738.

Watch-outs

  • Do not assume a neighboring town's permit or zoning rules apply to the parcel; municipal ordinances vary, and unorganized Perkins Township is under LUPC zoning89.
  • MUBEC compliance remains the owner's responsibility even where a municipality with fewer than 4,000 residents does not elect local enforcement13.
  • In LUPC territory, a short-term rental is allowed only in a qualifying zoning subdistrict and requires notice to LUPC39.
  • Private-land RV living and a countywide minimum dwelling size could not be confirmed; ask the responsible municipal office or LUPC before purchase3.

Sources

  1. Maine Office of State Fire Marshal - Building Codes (2026 county census)
  2. legislature.maine.gov (Maine statewide rule), quoted and re-checked
  3. About LUPC, quoted and re-checked
  4. Subsurface Wastewater Unit, quoted and re-checked
  5. Title 10, §9724: Application, quoted and re-checked
  6. Subsurface Wastewater System Permitting, quoted and re-checked
  7. Subsurface Wastewater System Permitting, quoted and re-checked
  8. Municipal Planning Assistance Program, quoted and re-checked
  9. Maps and Mapping Resources, quoted and re-checked
  10. Title 30-A, §4363: Regulation of tiny homes, quoted and re-checked
  11. Guide to Home Construction and Repair, quoted and re-checked
  12. Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
  13. Division of Building Codes and Standards, quoted and re-checked
  14. Division of Building Codes and Standards, quoted and re-checked
  15. Title 10, §9724: Application, quoted and re-checked
  16. Title 25, §2353-A: Duty to inspect buildings under construction, quoted and re-checked
  17. Title 25, §2357-A: No occupancy without certificate; appeal, quoted and re-checked
  18. Town of Topsham: Article VI: Zone Regulations - Town of Topsham, ME (Sagadahoc County), quoted and re-checked
  19. Town of Topsham: Article IX: Administration, Enforcement and Penalties - Town of Topsham, ME (Sagadahoc County), quoted and re-checked
  20. Subsurface Wastewater Unit, quoted and re-checked
  21. Maine CDC Subsurface Wastewater Program (maine.gov)
  22. State Level Laws that Impact Zoning and Land Use in Maine, quoted and re-checked
  23. Title 30-A, §4358: Regulation of manufactured housing, quoted and re-checked
  24. Subsurface Wastewater System Permitting, quoted and re-checked
  25. Subsurface Wastewater System Permitting, quoted and re-checked
  26. Title 30-A, §3405: Sewer connections, quoted and re-checked
  27. Title 38, §1160: Connection of private sewers, quoted and re-checked
  28. legislature.maine.gov, quoted and re-checked
  29. Title 30-A, §4364-B: Accessory dwelling units, quoted and re-checked
  30. Subsurface Wastewater System Permitting, quoted and re-checked
  31. Driveway and Entrance Permitting, quoted and re-checked
  32. Subsurface Wastewater System Permitting, quoted and re-checked
  33. Subsurface Wastewater Licensing & Certification, quoted and re-checked
  34. Maine Revised Statutes, Title 30-A, §4401: Definitions, quoted and re-checked
  35. Maine Revised Statutes, Title 30-A, §4401: Definitions, quoted and re-checked
  36. New Well and New Source Approval, quoted and re-checked
  37. New Well and New Source Approval, quoted and re-checked
  38. Significant Groundwater Wells, and smaller wells, quoted and re-checked
  39. LUPC - Downeast Regional Office, quoted and re-checked

Written October 12, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.

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Compared with neighboring counties

Like 5 of its 6 neighbors, Sagadahoc County requires a building permit only in limited cases.

RuleSagadahoc CountyLincoln CountyAndroscoggin CountyCumberland CountyKennebec CountyWaldo CountyKnox County
Building permitLimitedLimitedLimitedRequiredLimitedLimitedLimited
County zoningNoNoNoYesNoNoNo
Septic permitsME CDC Subsurface Wastewater ProgramME CDC Subsurface Wastewater ProgramME CDC Subsurface Wastewater ProgramTown Licensed Plumbing InspectorMunicipal Local Plumbing InspectorME CDC Subsurface Wastewater ProgramME CDC Subsurface Wastewater Program

County locator

Sagadahoc County in Maine

81
County map
Sagadahoc County highlighted among the Maine counties · colored by Index score

How Sagadahoc County scores

Seclusion46100% ev.
Self-Sufficiency71100% ev.
Admin Boringness73100% ev.
Durability83100% ev.
Property Autonomy70100% ev.
Carry Cost68100% ev.

Evidence strength: 100%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$443kTypical home
1.1%Property tax
$4,880Land / acre
48.2"Annual rain
3.7% of yrsSevere drought
0.2 / yr (+0.2)Mid-century 100°F days
11.3 daysMid-century dry spell
2.39" (+8.9%)Mid-century 1-day rain
1.3×Wildfire change factor
100%Forward climate coverage
$1,207Home insurance / yr
1.6% / yrInsurance growth
0.61%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
54,490People within 30 min
1,396,893People within 2 hr
83,671Radius comparison (15 mi)
147.7People / sq mi
0.2%Federal land
91.1%Land at 15% slope or less
13.8%Soils rated "not limited" for septic (strict USDA rating)
20,039 acWorkable land screen
72%Wooded land
60.7 tonsBiomass / forest ac
45.7°FAvg temp

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Cities and towns in Sagadahoc County

Inside a city, town or township here, that government usually sets zoning and may issue its own building permits; the county’s rules above cover land outside them.

Not yet researched: Town of Arrowsic · Bath · Town of Bowdoin · Town of Bowdoinham · Town of Georgetown · Town of Phippsburg · Town of Richmond · Town of West Bath · Town of Woolwich

Answers from the rulebook for Sagadahoc County

What the ordinances and state agencies actually say — one answer per question, each quoted from the official source and independently re-checked.

Sagadahoc County rules

  • Local zoningVaries (with conditions)

    Aggregate of land-use regulation in Sagadahoc County municipalities and applicable unorganized or nonmunicipally controlled areas; the county claim summarizes rules administered by the actual local or state authorities and does not assert that the county administers municipal ordinances.

    • Maine's official planning program states that land-use ordinances are tailored to the individual community, so municipal zoning may differ among Sagadahoc County municipalities.
    • For shoreland areas, municipalities must adopt zoning and land-use control ordinances under home-rule authority.
    • Municipal shoreland ordinances must be consistent with or no less stringent than state minimum guidelines and, for coastal communities, must address the cited coastal-management policies.
    • A municipality may submit different standards when special local conditions justify them, subject to commissioner review and approval.
    • Municipal ordinances, amendments, and repeals are not effective unless approved by the commissioner.
    • Areas subject to nonmunicipal zoning and land-use controls may be exempted from the municipal shoreland-zoning statute when the commissioner finds that the statutory purposes have been accomplished by nonmunicipal measures.
    • The exact ordinance, zoning districts, and standards applicable to a particular parcel require identification of the relevant municipality or other controlling authority.
    “special local conditions within portions of the shoreland zone require a different set of standards from those in the minimum guidelines”
    2 more reviewed findings on this topic
    • Varies (with conditions) — The aggregate of municipal and any unorganized/deorganized-area zoning and land-use controls within Sagadahoc County; the county scope is an aggregate and does not mean Sagadahoc County administers each local ordinance.
      “The Land Use Planning Commission serves as the planning and zoning authority for the unorganized and deorganized areas of the State, including townships and plantations.”
    • Varies (with conditions) — Aggregate zoning and land-use controls across Sagadahoc County: municipal areas are governed through municipal zoning frameworks where adopted, while unorganized or deorganized areas are subject to Maine Land Use Planning Commission authority.
      “these maps only apply to timber harvesting and related activities in shoreland areas - for all other land uses you must consult the shoreland zoning map at the town office for organized towns and Land Use Planning Commission for unorganized towns. [...] Perkins Twp Swan Island | SAGADAHOC | Unorganized”
  • County-wide zoningAbsent

    Maine has no county zoning; land-use regulation and code enforcement are handled at the municipal level, so there is no Sagadahoc County zoning authority.

    Maine Office of Community Affairs - Code Enforcement ↗Scouted from the county site, not yet independently re-checked

Maine rules that apply here

  • Building permitLimited

    Maine Uniform Building and Energy Code enforcement affecting construction in Sagadahoc County municipalities; this statewide rule does not itself establish a single countywide building-permit issuance requirement.

    • Municipalities with more than 4,000 residents must enforce the Maine Uniform Building and Energy Code (MUBEC).
    • A municipality with up to 4,000 residents is not required to enforce MUBEC, but may not adopt or enforce a building code other than the Maine Uniform Building Code, Maine Uniform Energy Code, or MUBEC.
    • For purposes of the population threshold, residents do not include persons held at a correctional facility within the municipality.
    • Local political subdivisions may adopt ordinances providing for local enforcement of building codes; if such an ordinance lacks an appeal process, appeals may be taken under Title 30-A, section 4103, subsection 5.
    • MUBEC requirements do not apply to log homes or manufactured housing as defined in chapter 951, post and beam or timber frame construction, or warehouses or silos used to store harvested crops.
    • MUBEC enforcement must occur through inspections by building officials or local code enforcement officers, interlocal agreements, contractual agreements with county or regional authorities, or certified third-party inspection reports submitted before obtaining a certificate of occupancy.
    • Maine states that MUBEC compliance is mandatory for the building owner regardless of whether the building is located in a municipality that enforces MUBEC.
    • The statute states that, effective December 1, 2010, inconsistent building-code ordinances are void except as provided by the statute and Title 10, section 9725.

    municipal population threshold: > 4000 residents (Municipalities with up to 4,000 residents are not required to enforce MUBEC and may choose whether to enforce it.)

    “The Maine Uniform Building and Energy Code must be enforced in a municipality that has more than 4,000 residents. The Maine Uniform Building and Energy Code must be enforced through inspections that comply with Title 25, section 2373.”
    One more reviewed finding on this topic
    • Required — Construction, alteration, or change of use of a structure to become a public building in Maine.
      “A property owner, agent or representative of the owner may not construct, alter or change the use of any structure to become a public building without first obtaining from the Commissioner of Public Safety or from a municipality designated pursuant to section 2448‑A a permit for that purpose.”
  • Owner-builder exemptionAvailable (with conditions)

    Exemption from statutory home-construction contract requirements for an owner and contractor in Maine.

    • The contractor must inform the homeowner or lessee of the applicable rights before the exemption is used.
    • The owner and contractor must mutually agree in writing to exempt themselves from the requirements.
    • The exemption concerns home-construction contract requirements and does not establish an exemption from zoning, septic, building-code, permit, or inspection requirements.

    home construction or repair cost threshold: > 3000 USD

    “You and your contractor can agree to exempt yourselves from any or all of the above requirements, but only if the contractor has informed you of your rights, and you both agree in writing.”
    One more reviewed finding on this topic
    • Available (with conditions) — Parties to a Maine home construction contract seeking exemption from the requirements of Title 10, chapter 219-A.
      “Parties to a home construction contract may exempt themselves from the requirements of this chapter only if the contractor specifically informs the homeowner or lessee of the homeowner's or lessee's rights under this chapter and the parties then mutually agree to a contract or change order that does not contain the parts set forth in sections 1487 and 1488.”
  • Building code adoptedPartial

    Maine Uniform Building and Energy Code requirements for buildings constructed or renovated in Sagadahoc County, including incorporated municipalities and any unorganized areas subject to state law.

    • MUBEC must be enforced in a municipality with more than 4,000 residents; the statute does not require enforcement in a municipality of up to 4,000 residents.
    • A municipality of up to 4,000 residents may not adopt or enforce a building code other than the Maine Uniform Building Code, Maine Uniform Energy Code, or Maine Uniform Building and Energy Code.
    • For purposes of the population threshold, residents do not include persons held at a correctional facility within the municipality.
    • MUBEC enforcement must use inspections complying with Title 25, section 2373.
    • Permitted enforcement methods include building officials or local code enforcement officers, interlocal agreements, contractual agreements with county or regional authorities, and certified third-party inspectors reporting to the building official before a certificate of occupancy.
    • Local ordinances may provide for enforcement of building codes; if an ordinance lacks an appeal process, appeals may be taken under Title 30-A, section 4103, subsection 5.
    • The MUBEC requirements do not apply to log homes or manufactured housing as defined in chapter 951, post and beam or timber frame construction, or warehouses or silos used to store harvested crops.
    • Effective December 1, 2010, MUBEC replaced the prior Model Energy Code and Maine model radon standard identified in the statute.
    • The Maine Office of Community Affairs states that MUBEC compliance is mandatory and is the responsibility of the building owner regardless of whether the building is located in a municipality that enforces MUBEC.

    municipal population threshold for mandatory enforcement: > 4000 residents (Municipalities of up to 4,000 residents are not required to enforce MUBEC.) · municipal population threshold for optional enforcement: <= 4000 residents (The municipality may not adopt or enforce a building code other than MUBC, MUEC, or MUBEC.) · MUBEC replacement of prior standards: December 1, 2010

    “The Maine Uniform Building and Energy Code must be enforced in a municipality that has more than 4,000 residents. The Maine Uniform Building and Energy Code must be enforced through inspections that comply with Title 25, section 2373.”
    4 more reviewed findings on this topic
    • Partial — Maine Uniform Building and Energy Code adoption and enforcement as it affects Sagadahoc County municipalities.
      “All municipalities with a population greater than 4,000 are required, by statute, to enforce the MUBEC. Municipalities with a population under 4,000 may choose to enforce the MUBEC. Compliance with the MUBEC is mandatory and the responsibility of the building owner, regardless of whether a building is located in a municipality that enforces the MUBEC.”
    • Partial — Maine Uniform Building and Energy Code adoption and enforcement affecting buildings in Sagadahoc County.
      “All municipalities with a population greater than 4,000 are required, by statute, to enforce the MUBEC. Municipalities with a population under 4,000 may choose to enforce the MUBEC. Compliance with the MUBEC is mandatory and the responsibility of the building owner, regardless of whether a building is located in a municipality that enforces the MUBEC.”
    • Partial — Building construction in Maine, including Sagadahoc County municipalities.
      “All municipalities with a population greater than 4,000 are required, by statute, to enforce the MUBEC. Municipalities with a population under 4,000 may choose to enforce the MUBEC. Compliance with the MUBEC is mandatory and the responsibility of the building owner, regardless of whether a building is located in a municipality that enforces the MUBEC.”
    • Adopted (with conditions) — Building construction in Maine under the Maine Uniform Building and Energy Code, Maine Uniform Building Code, and Maine Uniform Energy Code.
      “which is adopted by the Technical Building Codes and Standards Board by rule in Chapters 1 through 6”
  • InspectionsRequired

    Buildings constructed or renovated in Maine where the municipality enforces MUBEC, including municipalities with 4,000 or more residents and smaller municipalities that elect enforcement.

    • MUBEC applies to all buildings constructed or renovated in Maine regardless of municipal population.
    • MUBEC must be enforced in municipalities with a population of 4,000 residents or more; municipalities under 4,000 may choose to enforce it.
    • Enforcement may use municipal building officials, inter-local agreements, contractual agreements, third-party inspection by report, or a third-party inspector selected and paid for by the applicant if the municipality does not elect one of the listed options.

    mandatory MUBEC enforcement population threshold: >= 4000 residents (Municipalities under 4,000 may choose to enforce MUBEC.)

    “For a building official in a municipality that is enforcing the Maine Uniform Building and Energy Code pursuant to Title 10, section 9724, unless the municipality is enforcing that code by means of 3rd-party inspectors pursuant to section 2373, subsection 4, the building official shall inspect each building during the process of construction for compliance with the Maine Uniform Building and Energy Code adopted pursuant to Title 10, chapter 1103.”
    One more reviewed finding on this topic
    • Limited — Inspections during construction for buildings in Sagadahoc County municipalities enforcing MUBEC.
      “the building official shall inspect each building during the process of construction for compliance with the Maine Uniform Building and Energy Code”
  • Certificate of occupancyRequired

    Buildings in Maine municipalities with more than 2,000 inhabitants, including buildings in such municipalities that have adopted or enforce MUBEC.

    • The building may not be occupied until the building official gives a certificate of occupancy.
    • For buildings in a municipality that has adopted or is enforcing MUBEC, the certificate concerns compliance with MUBEC and the required enforcement and inspection options in Title 25, section 2373.
    • A building official may issue the certificate upon receipt of an inspection report from a certified third-party inspector.
    • The municipality has no obligation to review a third-party inspector's report for accuracy before issuing the certificate.
    • If the owner permits occupancy without the certificate, the owner must be penalized under Title 30-A, section 4452.
    • An appeal is available under Title 30-A, section 4103, subsection 5, or through an alternative appeal process established by ordinance.

    municipality population threshold: > 2000 inhabitants

    “A building in a municipality of more than 2,000 inhabitants may not be occupied until the building official has given a certificate of occupancy for compliance with the inspections required by section 2353‑A.”
    One more reviewed finding on this topic
    • Limited — Certificates of occupancy for buildings in Sagadahoc County municipalities subject to the Maine statutory occupancy rules.
      “A building in a municipality of more than 2,000 inhabitants may not be occupied until the building official has given a certificate of occupancy”
  • Zoning districtsPublished

    Land use districts and standards administered by the Maine Land Use Planning Commission in unorganized and deorganized areas of Maine.

    • Chapter 10 contains the Commission's land use districts and standards.
    • The LUPC materials include the entire chapter, Sub-Chapter II: Land Use Districts, Sub-Chapter III: Land Use Standards, and appendices.
    • The statutory framework assigns the Commission district boundaries in unorganized and deorganized areas.
    “Download Entire Chapter 10 (PDF) Sub-Chapter I: General Provisions (PDF) Sub-Chapter II: Land Use Districts (PDF) Sub-Chapter III: Land Use Standards (PDF) Appendices (PDF)”
  • Minimum lot sizeSpecified

    Mobile home park lots in Maine, including Sagadahoc County, where a municipality establishes lot-size requirements.

    • The municipal limit is subject to requirements under Title 38 or an ordinance adopted pursuant to Title 38.
    • For a public-sewer lot, the municipal requirement may not exceed the smaller of 6,500 square feet or the municipality's smallest permitted residential lot.
    • For an on-site subsurface wastewater disposal lot, the municipal requirement may not exceed 20,000 square feet.
    • For a central on-site subsurface wastewater disposal system approved by the Department of Health and Human Services, the municipal requirement may not exceed 12,000 square feet; the municipality may require overall park density of no more than one home per 20,000 square feet.

    maximum municipal lot-size requirement for public-sewer mobile home park lot: <= 6500 square feet (The smaller of this amount or the area of the smallest residential lot permitted in the municipality; except as required under Title 38 or an ordinance adopted pursuant to Title 38.) · maximum municipal lot-size requirement for on-site wastewater mobile home park lot: <= 20000 square feet (Except as required under Title 38 or an ordinance adopted pursuant to Title 38.) · maximum municipal lot-size requirement for central on-site wastewater mobile home park lot: <= 12000 square feet (System must be approved by the Department of Health and Human Services; municipality may require no more than one home per 20,000 square feet overall density.)

    “The size of any mobile home park lot with on-site subsurface waste water disposal to be larger than 20,000 square feet; or”
  • SetbacksSpecified

    Mobile home parks in Maine, including Sagadahoc County, where a municipality regulates setbacks.

    • Except as required under Title 38 or an ordinance adopted pursuant to Title 38, a municipality may not require setbacks that effectively require lots larger than the statutory mobile-home-park lot-size limits.
    • A municipality may require a public-road setback for mobile homes on lots adjacent to a public road according to requirements applicable to other residential developments.
    • A municipality may require a boundary buffer strip only where the statutory density condition is met; no structures, streets, or utilities may be placed in it except utilities may cross it to serve the park.
    • Municipalities may impose natural-screening requirements within the first 25 feet of the buffer strip only if they are no greater than those for other residential developments.

    maximum boundary buffer strip: <= 50 feet (May include individual-lot setbacks; applies along a mobile home park boundary abutting residential land where park density is at least twice the statutory comparison density.) · natural screening measurement from exterior boundary: <= 25 feet (Only reasonable screening requirements no greater than those for other residential developments.)

    “A municipality may require buffer strips, not to exceed 50 feet, including individual lot setbacks”
  • Tiny homesAllowed (with conditions)

    Placement or erection of a Maine-defined tiny home on an individual house lot where single-family dwellings are allowed, or as an accessory structure, statewide through municipal land-use regulation.

    • The tiny home must meet the definition incorporated from Title 29-A, section 101, subsection 80-C.
    • The municipality must apply all applicable land-use requirements that apply to single-family dwellings or accessory structures.
    • The statute addresses placement or erection and does not eliminate applicable building, safety, utility, septic, shoreland, or other requirements.
    “A municipality shall permit a tiny home to be placed or erected on an individual house lot where single-family dwellings are allowed or as an accessory structure, subject to all applicable land use requirements as single-family dwellings or as an accessory structure.”
    One more reviewed finding on this topic
    • Allowed (with conditions) — Placement or erection of a Maine-law tiny home on an individual house lot where single-family dwellings are allowed, or as an accessory structure, including in Sagadahoc County municipalities.
      “A municipality shall permit a tiny home to be placed or erected on an individual house lot where single-family dwellings are allowed or as an accessory structure, subject to all applicable land use requirements as single-family dwellings or as an accessory structure.”
  • Manufactured homesAllowed (with conditions)

    Manufactured housing placed or erected on individual house lots in Sagadahoc County municipalities where single-family dwellings are allowed, and manufactured housing in zones where other single-family homes are allowed.

    • The rule is statewide and is administered through municipalities; it is not a Sagadahoc County-administered zoning rule.
    • Manufactured housing on individual house lots is subject to the same requirements as single-family dwellings, except as otherwise provided in Title 30-A, section 4358.
    • Municipalities may establish design criteria including a pitched, shingled roof, permanent foundation, and residential-appearing exterior siding, but the criteria may not circumvent the statute or prevent relocation of manufactured housing legally sited in the municipality as of August 4, 1988.
    • Manufactured housing and qualifying modular homes must be allowed in all zones where other single-family homes are allowed.
    • For a new manufactured home located by a person other than a State-licensed dealer with a sales tax certificate, the municipality may not allow construction or location without either the specified bill of sale or evidence that sales tax was certified as paid under Title 36, sections 1760(40) and 1952-B.
    • If a municipality requires any permit for manufactured housing, the permit is not approved or valid until sales-tax payment has been certified.
    • Mobile-home-park rules remain subject to Title 38 and ordinances adopted under Title 38, including specified lot-size, setback, buffer, road, water-supply, aquifer, land-development, subdivision, and environmental-suitability provisions.
    • A municipality may impose a buffer strip up to 50 feet in the circumstances specified by section 4358(3)(I), with natural screening permitted within the first 25 feet if no more demanding than screening for other residential developments.
    • The mobile-home-park expansion provision states that paragraph 3(M) is effective January 1, 1990.

    mobile home park lot size served by public sewer: <= 6500 square feet maximum unless the smallest permitted municipal residential lot is smaller (Title 38 or an ordinance adopted pursuant to Title 38) · mobile home park lot size with on-site subsurface wastewater disposal: <= 20000 square feet maximum (Title 38 or an ordinance adopted pursuant to Title 38) · mobile home park lot size with approved central on-site subsurface wastewater disposal: <= 12000 square feet maximum (A municipality may require overall density of no more than one home per 20,000 square feet) · mobile home park open-space/storage/recreation area served by public sewer: <= 10 percent of combined individual-lot area maximum (The additional area is subject to the statutory components and local ordinances applicable to all residential developments) · private mobile-home-park road right-of-way: <= 23 feet maximum (A municipality may require 20 feet of the right-of-way to be paved) · mobile home park boundary buffer strip: <= 50 feet maximum (Only under the density conditions in section 4358(3)(I)) · natural screening within buffer strip: <= 25 feet (Measured from the exterior boundary; requirements may not exceed those for other residential developments)

    “Municipalities shall allow manufactured housing to be placed or erected on individual house lots where single-family dwellings are allowed”
    3 more reviewed findings on this topic
    • Limited — Manufactured housing placed or erected on individual house lots in municipalities within Sagadahoc County where single-family dwellings are allowed.
      “Municipalities shall allow manufactured housing to be placed or erected on individual house lots where single-family dwellings are allowed, subject to the same requirements as single-family dwellings, except as otherwise provided in this section.”
    • Allowed (with conditions) — Placement and residential occupancy of manufactured housing on individual house lots statewide in Maine where single-family dwellings are allowed.
      “Municipalities shall allow manufactured housing to be placed or erected on individual house lots where single-family dwellings are allowed [...]”
    • Allowed (with conditions) — Placement or erection of manufactured housing on individual house lots where single-family dwellings are allowed, statewide through municipal land-use regulation.
      “Municipalities shall allow manufactured housing to be placed or erected on individual house lots where single-family dwellings are allowed, subject to the same requirements as single-family dwellings, except as otherwise provided in this section.”
  • Accessory dwellingsAllowed (with conditions)

    Accessory dwelling units on lots in Sagadahoc County municipalities where residential uses are permitted, including as a conditional use.

    • Except as provided in Title 12, chapter 423-A, municipalities must allow an accessory dwelling unit on the same lot as a single-family dwelling unit or multi-unit structure where residential uses are permitted, including conditionally.
    • This section does not apply to a lot or portion of a lot within the watershed of a water source located in Lewiston or Auburn that is used for drinking water by a qualifying water utility with a federal filtration waiver, as determined by the Department of Health and Human Services.
    • An accessory dwelling unit may be constructed only within an existing dwelling unit, attached to or sharing a wall with a single-family dwelling unit or multi-unit structure, or as a new structure whose primary purpose is creating an accessory dwelling unit.
    • The construction or permitting of an accessory dwelling unit constructed and certified for occupancy before the implementation date is not restricted by subsection 2.
    • At least one accessory dwelling unit must be allowed on a lot where a single-family dwelling unit is the principal structure, including where the lot does not conform to municipal zoning if the accessory dwelling unit does not further increase the nonconformity.
    • One accessory dwelling unit must be exempt from municipal density requirements or calculations.
    • For an attached or same-structure accessory dwelling unit, setback and dimensional requirements must be the same as for the single-family dwelling, except that an existing accessory building, secondary building, or garage as of the implementation date uses the requisite setbacks for that structure; municipalities may adopt more permissive requirements.
    • No additional parking requirement may be imposed beyond the parking requirement for the single-family dwelling on the lot.
    • An unapproved accessory dwelling unit must be allowed if it otherwise meets municipal and statutory requirements.
    • Construction or occupancy must be allowed even if the lot owner does not reside in a dwelling unit on the lot.
    • Shoreland zoning requirements under Title 38, chapter 3 and municipal shoreland ordinances apply, but a municipality may not categorically prohibit a qualifying accessory dwelling unit in the shoreland zone.
    • The unit must be at least 190 square feet unless the Technical Building Codes and Standards Board adopts a different minimum size; a municipality may impose a maximum size.
    • Before certification for occupancy, the owner must provide written verification of adequate water and wastewater service. Public or special-district sewer requires proof of adequate capacity and payment; septic requires proof of adequate sewage disposal, verification by a local plumbing inspector, and plans by a licensed site evaluator under Title 22, section 42 rules; public or centrally managed water requires proof of adequate capacity, payment, and required volume/supply; a well requires proof of potable water.
    • After written verification from the local plumbing inspector that subsection 7 requirements are met, additional municipal waste or wastewater review or documentation before issuing a certificate of occupancy is prohibited.
    • A municipality may establish an application and permitting process that does not require planning-board approval, impose fines, or establish less restrictive alternative criteria only in circumstances in which it could provide a statutory variance.
    • The statute does not exempt a subdivider from subdivision requirements and does not invalidate greater restrictions in valid private easements, covenants, deed restrictions, or other private agreements.

    minimum accessory dwelling unit size: >= 190 square feet (A different minimum applies if adopted by the Technical Building Codes and Standards Board under Title 10, section 9722)

    “a municipality shall allow an accessory dwelling unit to be located [...] in any area in which residential uses are permitted, including as a conditional use”
    2 more reviewed findings on this topic
    • Limited — Accessory dwelling units on lots in municipalities within Sagadahoc County where residential uses are permitted, including as a conditional use.
      “Except as provided in Title 12, chapter 423‑A, a municipality shall allow an accessory dwelling unit to be located on the same lot as a single-family dwelling unit or multi-unit structure in any area in which residential uses are permitted, including as a conditional use, in accordance with this section.”
    • Allowed (with conditions) — Accessory dwelling units on lots containing a single-family dwelling unit or multi-unit structure in any Maine municipality and any area where residential uses are permitted, including conditional-use areas.
      “A municipality shall allow the construction or occupancy of an accessory dwelling unit on a lot even if the owner of the lot [...]”
  • Who permits septicMixed

    Subsurface wastewater disposal systems statewide in Maine, including Sagadahoc County

    • Maine CDC rules establish the statewide permitting and inspection framework.
    • The Local Plumbing Inspector examines applications, issues the disposal-system permit, and performs the required inspections.
    • Permit applications generally require preparation by a licensed site evaluator or professional engineer, depending on system type.
    • The system must satisfy applicable soils, setback, laws, ordinances, and regulations.
    “A subsurface wastewater disposal system may not be installed until a permit is issued by the Local Plumbing Inspector. The permit authorizes the installation of the disposal system in accordance with 10-144-CMR Chapter 241.”
    3 more reviewed findings on this topic
    • Mixed — Subsurface wastewater disposal systems in Sagadahoc County and throughout Maine; the State of Maine establishes and oversees the rules, while permits are submitted by towns or Local Plumbing Inspectors.
      “Administers rules pertaining to subsurface wastewater disposal in Maine: [...] permits, as submitted by the towns or LPIs assigned to unorganized territories”
    • Mixed (with conditions) — Subsurface wastewater disposal systems in Sagadahoc County under Maine statewide rules, with permits submitted by towns or local plumbing inspectors.
      “Administers rules pertaining to subsurface wastewater disposal in Maine: State of Maine Subsurface Wastewater Disposal Rules (CMR 241), Rules for Appointment and Administration of Local Plumbing Inspectors (CMR 240), and Rules for Site Evaluators of Subsurface Wastewater Disposal Systems (CMR 245).”
    • Mixed — Subsurface wastewater disposal systems throughout Maine, including Sagadahoc County.
      “The Maine CDC is adopting amendments to its Subsurface Wastewater Disposal Rule, which describes requirements for the subsurface wastewater permitting processes conducted by municipalities and overseen by Maine CDC.”
  • Septic permitRequired

    Installation of new, expanded, or replacement subsurface wastewater disposal systems or components in Sagadahoc County, subject to statewide Maine rules and municipal LPI issuance.

    • The owner or agent must obtain a valid permit before beginning construction.
    • A permit is valid for work commenced within 24 months after issuance.
    • New, expanded, and replacement systems or individual components require a permit; normal maintenance and repair are excepted.
    • Replacement septic tanks and alternative toilets other than pit privies are exceptions to the site-evaluation requirement, but applications must include an adequate description of the proposed work.
    • Applications must be prepared by the appropriate licensed site evaluator or professional engineer and require a site evaluation unless an exception applies.
    • The LPI must reject an incomplete or nonconforming completed filing in writing within 14 days, stating the reasons; a compliant permit must be issued as soon as practicable.
    • Work must not begin until the LPI issues the permit.
    • The statewide scheduled fee table lists, among others: complete non-engineered system $250 plus 25% and $15 water-quality surcharge; primitive/limited system $100 plus 25% and $15 surcharge; alternative toilet $50 plus 25%; holding tank $100 plus 25% and $15 surcharge; complete engineered system $200 plus 25%; seasonal conversion permit $50 plus 25%. Replacement-system variances have no state scheduled fee.

    permit validity period: 24 months (work must commence within this period) · complete non-engineered system scheduled fee: 250 USD (plus 25% and $15 water-quality surcharge) · primitive/limited system scheduled fee: 100 USD (graywater and alternative toilet; plus 25% and $15 water-quality surcharge) · alternative toilet scheduled fee: 50 USD (plus 25%; water-quality surcharge not applicable) · holding tank scheduled fee: 100 USD (plus 25% and $15 water-quality surcharge) · complete engineered system scheduled fee: 200 USD (plus 25%; water-quality surcharge not applicable) · seasonal conversion permit scheduled fee: 50 USD (plus 25%; water-quality surcharge not applicable)

    “Installing a new, expanded, or replacement subsurface wastewater disposal system, or any individual components, requires a permit, except normal maintenance and repair.”
    One more reviewed finding on this topic
    • Required — Installation of a new, expanded, or replacement subsurface wastewater disposal system or component in Maine.
      “Installing a new, expanded, or replacement subsurface wastewater disposal system, or any individual components, requires a permit, except normal maintenance and repair.”
  • Septic inspectionRequired

    Installation of subsurface wastewater disposal systems in Sagadahoc County and elsewhere in Maine.

    • The system must pass two inspections: one site-preparation inspection before installation and one inspection before final backfilling.
    • The Licensed Plumbing Inspector must be notified at least 24 hours before the system is ready for inspection; this does not require inspection within 24 hours of notice.

    required inspections: 2 inspections · inspection notice: >= 24 hours (notice before system is ready for inspection)

    “The site must have passing soils and meet applicable setbacks. The owner or agent must obtain a valid permit prior to beginning construction of the system. The system must pass two inspections, one site prep before installation and one prior to final backfilling.”
    One more reviewed finding on this topic
    • Required — Properties in Sagadahoc County with a subsurface wastewater disposal system located in the shoreland zone when ownership is transferred.
      “Subsurface wastewater disposal system inspections are required by Maine statute, 30-A MRS § 4216, for properties that include a subsurface wastewater disposal system located in the shoreland zone, when ownership of the property is transferred. This law requires that for such property transfers, an inspector certified by the Department must complete the inspection.”
  • Off-grid sanitationLimited

    Off-grid sanitation using subsurface wastewater disposal systems, graywater systems, pit privies, or alternative toilets anywhere in Maine.

    • A new, expanded, or replacement subsurface wastewater disposal system or any individual component generally requires a permit before work starts.
    • Normal maintenance and repair are excepted from the permit requirement.
    • Replacement septic tanks and alternative toilets are exceptions to the application site-evaluation requirement; alternative toilets other than pit privies are identified as exceptions.
    • Work must not begin until the Licensed Plumbing Inspector issues the disposal-system permit.
    • Permit applications generally require preparation by a licensed site evaluator for non-engineered systems or by a professional engineer or licensed site evaluator for engineered systems.
    • Sites must have passing soils and meet applicable setbacks.
    • A disposal-system permit is valid for work commenced within 24 months after issuance.
    • The current state fee schedule lists $100 for a Primitive/Limited System (graywater and alternative toilet), $50 for an Alternative Toilet, and $250 for a Complete Non-Engineered System, with listed 25% and water-quality-surcharge amounts where applicable.
    • Local plumbing inspectors and municipal ordinances may administer or add applicable requirements.

    permit validity period: 24 months (work must commence within this period) · Primitive/Limited System scheduled fee: 100 USD (graywater and alternative toilet; current state schedule) · Alternative Toilet scheduled fee: 50 USD (water quality surcharge not applicable) · Complete Non-Engineered System scheduled fee: 250 USD (current state schedule)

    “Installing a new, expanded, or replacement subsurface wastewater disposal system, or any individual components, requires a permit, except normal maintenance and repair.”
    One more reviewed finding on this topic
    • Limited — Off-grid sanitation using primitive/limited systems, graywater systems, or alternative toilets in Sagadahoc County.
      “Installing a new, expanded, or replacement subsurface wastewater disposal system, or any individual components, requires a permit, except normal maintenance and repair. [...] Primitive/Limited System (graywater and alt toilet) | $100.00 | $25.00 | $15.00”
  • Well permitLimited

    New public water sources and significant groundwater wells in Maine; the cited sources do not establish a general permit requirement for every private residential well.

    • Before construction of a new public water source, proposed plans must be submitted to the Drinking Water Program for approval.
    • Before a new public-water-source well is drilled, the selected site must be approved by the Drinking Water Program.
    • Public-water-source wells generally require a 300-foot setback from potential contamination sources such as fuel tanks and leach fields; a waiver may be requested if site conditions require it.
    • Final public-water-source approval requires well construction information, a pump test of at least 48 hours, and water-quality testing to drinking-water standards.
    • A person may not establish or operate a significant groundwater well without first obtaining a DEP permit under the NRPA.
    • A DEP NRPA permit is not required for a significant groundwater well when a permit is already required under the Site Law, borrow-pit laws, quarry laws, or LUPC statutes.
    • Wells in unorganized areas of Maine are regulated by the Land Use Planning Commission.
    • The cited public-water-source approval page concerns public water sources and does not state a universal permit requirement for ordinary private residential wells.

    well setback from potential contamination sources: >= 300 feet (waiver may be requested if site conditions require it) · minimum public-source pump test: >= 48 hours (final approval testing)

    “Under the NRPA, a person may not establish or operate a significant groundwater well without first obtaining a permit from the DEP. A NRPA permit is not required if a permit is already required pursuant to the Site Law, borrow pit laws, quarry laws, or Land Use Planning Commission (LUPC) statutes.”
    3 more reviewed findings on this topic
    • Limited — Significant groundwater wells in Sagadahoc County and elsewhere in Maine.
      “a person may not establish or operate a significant groundwater well without first obtaining a permit from the DEP.”
    • Required — Construction of a new public water source and drilling a new well for that public water source.
      “Before a new well is drilled, the selected site must be approved by the Drinking Water Program.”
    • Limited — New public water-source wells and significant groundwater wells in Sagadahoc County; the cited sources do not establish a general permit requirement for every private residential well.
      “Under the NRPA, a person may not establish or operate a significant groundwater well without first obtaining a permit from the DEP. A NRPA permit is not required if a permit is already required pursuant to the Site Law, borrow pit laws, quarry laws, or Land Use Planning Commission (LUPC) statutes. This avoids regulatory duplication.”
  • Mandatory utility hookupSewer (with conditions)

    Buildings within a sanitary district formed under Title 38, Chapter 11, when the building or connected private sewer or drain is within 200 feet of the district sewer or drain.

    • The building must be intended for human habitation or occupancy, or have facilities for wastewater or commercial or industrial waste.
    • The district must request the connection; connection is due within 90 days after the request unless trustees grant more time.
    • Connection must be made in the most direct manner possible and, if feasible, separately for each building.
    • Existing buildings served by a satisfactory and sanitary private sewer or drainage system are exempt if the system does not violate applicable law, ordinance, or the state plumbing code, as determined by the specified inspector or Division of Health Engineering.
    • The owner is not required to acquire real property or an easement solely to make the connection.
    • The statute does not identify which Sagadahoc County sanitary districts currently exercise this authority.

    accessibility distance: <= 200 feet (measured from the building or connected private sewer or drain to the district sewer or drain) · connection deadline: 90 days (after receiving the district request unless trustees grant further time)

    “within 90 days after receiving request therefor from the district, or within such further time as the trustees of the district may grant”
    3 more reviewed findings on this topic
    • Sewer (with conditions) — Buildings and parcels in Sagadahoc County where a municipal ordinance requires sewer connection or where the property is in a sanitary district and the building is accessible to the district sewer or drain.
      “Every building in a sanitary district formed under this chapter [...] within 90 days after receiving request therefor from the district”
    • Sewer (with conditions) — Buildings on lots or parcels abutting a street or public way containing a sewer, where the applicable municipality has enacted an ordinance requiring connection.
      “If required by municipal ordinance, the owner of each lot or parcel of land upon which a building has been constructed”
    • Conditional — Wastewater sewer connections where a public sewer or sanitary/sewer district is available in Maine.
      “Existing buildings that are already served by a private sewer or drainage system are not required to connect with any sewer or drain of the district so long as the private sewer or drainage system functions in a satisfactory and sanitary manner, and does not violate any law or ordinance applicable thereto or any applicable requirement of the state plumbing code, as determined by the municipal plumbing inspector, the inspector's alternate, or, in the event that both are trustees or employees of the district, the Division of Health Engineering.”
  • Agricultural exemptionConditional

    A land division or transfer in Maine, including Sagadahoc County, where the transferred interest is permanently held to ensure agricultural use.

    • The transferor's intent may not be to avoid the objectives of the state subdivision subchapter.
    • The transferred interest must be permanently held by conservation easement, binding agreement, declaration of trust, or otherwise for one or more listed conservation purposes, including ensuring availability of land for agricultural use.
    • The transferred interest may not subsequently be further divided or transferred except to another holder.
    “Ensuring the availability of the land for agricultural, forest, recreational or open space use;”
  • Subdividing landRegulated (with conditions)

    Division of land in Maine, including Sagadahoc County, that meets the statutory definition of a subdivision.

    • A subdivision is a division of a tract or parcel into three or more lots within a five-year period beginning on or after September 23, 1971, whether by sale, lease, development, buildings, or otherwise.
    • The definition also includes the specified five-or-more-dwelling-unit divisions, construction or placement described in §4401.
    • The municipal reviewing authority reviews all requests for subdivision approval.
    • A municipality may adopt, amend, or repeal additional reasonable subdivision regulations after a public hearing with at least seven days' notice.
    • The authority must issue an order within 30 days of a public hearing, or within 60 days after determining the application complete if no hearing is held, unless another time limit is mutually agreed.

    subdivision lot threshold: >= 3 lots (Within a five-year period beginning on or after September 23, 1971; statutory exclusions and exemptions apply.) · subdivision dwelling-unit threshold: >= 5 dwelling units (Within a five-year period, for the categories stated in §4401(4).)

    “The municipal reviewing authority shall review all requests for subdivision approval.”
  • Driveway accessLimited

    New driveways or entrances from Sagadahoc County land onto state or state-aid highways, subject to MaineDOT jurisdiction.

    • MaineDOT rules are less restrictive on minor collectors and more stringent on arterials.
    • Existing driveways are grandfathered until a change in use, location, or grade.
    • Urban Compact Areas are exempt from MaineDOT permit rules.
    • Where sight distances are too short or the location creates a safety hazard, the location or design may have to be changed.
    • On arterial highways, spacing standards may apply.
    • For land abutting state roadways, the MaineDOT Driveway Permit must be issued before the town issues any permits.
    • Subdivision planning boards must receive MaineDOT documentation that subdivision driveways or entrances onto state roads conform to the rules.
    “MaineDOT is proactively training municipal officials and others that the new law requires the MaineDOT Driveway Permit be issued before the town issues any permits for land abutting state roadways.”
    One more reviewed finding on this topic
    • Required — Projects submitted through the Maine Land Use Planning Commission building-permit process in the LUPC service area.
      “you must obtain a Driveway/Entrance Permit from the Maine Department of Transportation (MDOT) and submit it with your application.”
  • Building in a floodplainRequired

    Development in flood-prone areas in Maine communities subject to local floodplain management ordinances and the applicable flood-map category.

    • Whether a Flood Hazard Development Permit is required is determined using the state decision tree.
    • The appropriate application and two-part permit forms depend on the flood-hazard identification shown on the community's flood map.
    • A conditional-use form may legally be used only if the local floodplain management ordinance contains the state standards for a conditional use.
    “Does the development require a Flood Hazard Development Permit? Follow the Decision Tree (PDF 37KB) (MS Word 150KB) to find out.”
  • Short-term rentalsAllowed (with conditions)

    Short-term rentals in the Maine Land Use Planning Commission service area within Sagadahoc County.

    • The use is allowed only in a zoning subdistrict where residential dwellings or residential campsites are allowed.
    • A notice must be filed with the Commission.
    • Operators beginning before January 12, 2026 had until July 11, 2026, 180 days, to file the notice.
    • The source defines a short-term rental as a legally existing dwelling unit, portion of a dwelling unit, or single residential campsite rented for less than 30 consecutive calendar days.
    • The definition excludes recreational lodging facilities, home-based businesses, hotels, motels, and generally more than one dwelling unit, portion, or residential campsite on a single lot unless the lot is part of a condominium with individually owned dwelling units.

    maximum tenancy for short-term-rental definition: < 30 consecutive calendar days · notice requirement effective date: 2026-01-12 (existing operators had until 2026-07-11 to file)

    “In the Commission’s service area, short-term rentals are an allowed use in any zoning subdistrict where residential dwellings or residential campsites are allowed. Operating a short-term rental requires that a notice be filed with the Commission.”
    One more reviewed finding on this topic
    • Limited — Short-term rentals in the Maine Land Use Planning Commission service area.
      “In the Commission’s service area, short-term rentals are an allowed use in any zoning subdistrict where residential dwellings or residential campsites are allowed. Operating a short-term rental requires that a notice be filed with the Commission.”
  • Permit feesPublished (with conditions)

    State-scheduled fees for subsurface wastewater disposal and related permits applicable in Sagadahoc County.

    • The published schedule distinguishes scheduled fees, a 25% amount, and water-quality surcharges where applicable.
    • Replacement system variances have no state scheduled fees.
    • Local or municipal charges, if any, were not established by the cited source.

    complete non-engineered system scheduled fee: 250 USD (plus listed 25% amount and $15.00 water quality surcharge) · complete engineered system scheduled fee: 200 USD (plus listed 25% amount; water quality surcharge not applicable) · seasonal conversion permit scheduled fee: 50 USD (plus listed 25% amount; water quality surcharge not applicable)

    “Complete Non-Engineered System | $250.00 | $62.50 | $15.00 [...] Complete Engineered System | $200.00 | $50.00 | WQS not applicable [...] Replacement System Variances | No state scheduled fees [...] Seasonal Conversion Permit | $50.00 | $12.50 | WQS not applicable”
    One more reviewed finding on this topic
    • Published (with conditions) — Residential development building-permit applications within the Maine Land Use Planning Commission service area.
      “Structures …on lots within Commission approved subdivisions: x $0.15 per square foot(footprint)2 $ ...not on lots within Commission approved subdivisions: x $0.20 per square foot(footprint)2 $”
  • Permit processPublished (with conditions)

    Installation, expansion, replacement, or component work for subsurface wastewater disposal systems in Sagadahoc County.

    • A permit is required before installation, except for normal maintenance and repair.
    • The site must have passing soils and meet applicable setbacks.
    • The system must pass one site-preparation inspection and one inspection before final backfilling.
    • Applications must use Department-provided or approved forms.
    • Non-engineered applications require preparation by a licensed site evaluator; engineered applications require a professional engineer or licensed site evaluator, with stated exceptions for replacement septic tanks and alternative toilets other than pit privies.
    • The Licensed Plumbing Inspector must reject a nonconforming or incomplete completed filing in writing within 14 days, stating the reasons.
    • Work must not begin until the Licensed Plumbing Inspector issues the permit.
    • The permit is valid for work commenced within 24 months after issuance.

    permit validity period: 24 months (work must commence within this period) · completed-filing rejection deadline: 14 days (written rejection must state reasons)

    “A permit is required for installation of a subsurface wastewater disposal system or components thereof. A permit is valid for work commenced within 24 months after the permit is issued. (See: 30-A M.R.S. § 4215).”
    One more reviewed finding on this topic
    • Published (with conditions) — Residential development, home occupations, personal campsites, and related activities submitted through the LUPC Building Permit Application process.
      “All applications must be sent to the Augusta Office via email at: ApplicationSubmissions.LUPC@maine.gov or via US mail at: 22 State House Station Augusta, ME 04333. The fee will be calculated by staff based on the proposal and an online payment option will be available.”
  • Campground & park staysLimited

    Recreational-vehicle occupancy at campgrounds on 5 or more sites operated for compensation or indirect compensation statewide in Maine.

    • A campground is defined to include recreational vehicle parks and sites intended for recreational purposes rather than permanent residency.
    • A person may not operate a campground for compensation or indirect compensation without a license issued by the Maine Department of Health and Human Services.
    • If a campground consists of 5 or more tents or recreational vehicles on a commercial lot, compensation is presumed regardless of fees charged, but the owner or renter may rebut the presumption by a preponderance of the evidence.

    minimum recreational vehicle sites triggering compensation presumption: >= 5 sites (On a commercial lot; the presumption may be rebutted by a preponderance of the evidence.)

    “If a campground consists of 5 or more tents or recreational vehicles on a commercial lot, regardless of fees charged, it is presumed [...]”
    4 more reviewed findings on this topic
    • Limited — Placement or occupancy of a trailer, camper, shelter, or tent at a public campsite maintained or authorized under Maine law, including recreational vehicles.
      “No person may place any trailer, camper, shelter or tent from May 1st to November 30th at any public campsite maintained or authorized pursuant to section 1825, subsection 4 and keep that trailer, camper, shelter or tent so located, vacant or occupied, for more than 14 days in any 30-day period.”
    • Limited — Temporary camping with a trailer, camper, shelter, or tent at a public campsite maintained or authorized under Maine law.
      “No person may place any trailer, camper, shelter or tent from May 1st to November 30th at any public campsite maintained or authorized pursuant to section 1825, subsection 4 and keep that trailer, camper, shelter or tent so located, vacant or occupied, for more than 14 days in any 30-day period.”
    • Limited — Minor campgrounds and transient camping in Maine's unorganized and deorganized areas under the jurisdiction of the Maine Land Use Planning Commission.
      “A minor campground may be designed to contain a maximum of 4 camping sites for transient occupancy by 12 or fewer people per site, [...]”
    • Limited — Recreational vehicles used for camping at residential campsites in Maine Land Use Planning Commission jurisdiction.
      “With respect to campsites and residential campsites occupancy is measured by the length of time the tent, trailer, camper, recreational vehicle, or similar device used for camping is located on the site.”
  • county zoning authorityLimited

    Maine counties seeking zoning for unorganized or deorganized territory within the jurisdiction of the Maine Land Use Planning Commission.

    • A county may request the Maine Land Use Planning Commission to develop and implement the regional comprehensive land use plan and associated zoning; the quoted statute does not grant the county independent statewide authority to adopt and administer general zoning.
    • The request may be made by one county or in partnership with another county or counties.
    • The zoning may cover all or only a portion of territory within the commission's jurisdiction in the requesting county or counties.
    • For mandatory shoreland zoning, the current statute expressly assigns adoption of zoning and land-use-control ordinances to municipalities; it does not identify counties in that operative grant.
    “A county, separately or in partnership with another county or counties, may request the commission to develop and implement a regional comprehensive land use plan and associated zoning for all or a portion of the territory within the jurisdiction of the commission in the county or counties making the request.”
  • county building authorityLimited

    Residential building-permit administration by Maine counties in unorganized or deorganized territory under the jurisdiction of the Maine Land Use Planning Commission.

    • The Maine Land Use Planning Commission must establish standards for delegation.
    • Delegation occurs only upon request of the county commissioners.
    • The delegation is limited to specified activities requiring a permit.
    • The county may approve, approve with reasonable conditions, or deny applications and enforce compliance with the permit.
    • A person aggrieved by a county decision may appeal to the commission within 30 days after the county decision.
    • The LUPC states that, except for accessory structures meeting LUPC standards, building a new house or camp or expanding an existing residential structure generally requires an LUPC building permit.
    • The cited sources establish delegated permit authority, not general county authority to adopt an independent residential building code.
    “The commission may establish standards by which authority may be delegated to a county, upon request of the county commissioners, to approve, approve with reasonable conditions or deny applications to conduct specified activities requiring a permit and to enforce compliance with the permit.”

Inside cities and towns in Sagadahoc County

Municipal rules found while researching the county. They apply inside that city or town, not to unincorporated land.

  • Local zoningPresent (with conditions)

    Unorganized Perkins Township (Swan Island) in Sagadahoc County.

    • Perkins Township became unorganized in 1918.
    • LUPC zoning-map rules apply to the township; the cited zoning petition had an effective date of 5/21/2015.
    • The cited source establishes LUPC zoning-map coverage but does not provide the full district-specific use and dimensional standards.
    “Chapter number/title: Ch. 10, Land Use Guidance Maps (Amended Zoning Maps), Zoning Petition ZP 749: (Hibberts Gore, Monhegan Island Plt., Muscongus Bay Coastal Islands – Lincoln County; Perkins Twp., Swan Island – Sagadahoc County) Filing number: 2015-095 Effective date: 5/21/2015”
    2 more reviewed findings on this topic
    • Present (with conditions) — Land-use regulation within the Town of Topsham, Sagadahoc County, Maine.
      “The Code Enforcement Office is responsible for the administration of the Topsham Zoning Ordinance chapter 225, NEC-70 Electrical Code, State Internal Plumbing and Wastewater Codes, and the Maine Uniform Building and Energy Code (MUBEC).”
    • Present (with conditions) — Public and private lands, buildings, and uses within the Town of Topsham, Sagadahoc County, Maine, subject to the Town of Topsham Zoning Ordinance chapter 225.
      “The Code Enforcement Office is responsible for the administration of the Topsham Zoning Ordinance chapter 225, NEC-70 Electrical Code, State Internal Plumbing and Wastewater Codes, and the Maine Uniform Building and Energy Code (MUBEC).”

Set by your town or city, not the county

In Maine, zoning is adopted by each town or city, so Sagadahoc County has no county-wide answer on these. Find your town or city in the list of places on this page, or call its clerk or zoning administrator.

  • Minimum dwelling size
  • Lot coverage
  • Building height

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Living off-grid in Sagadahoc County, Maine

Is Sagadahoc County a good place to live off-grid or homestead?

Sagadahoc County scores 81/100 on the Bolthole Index, a strong county profile. Its strengths: a durable current and mid-century hazard profile and low administrative friction for a quiet rural property.

Do you need a building permit in Sagadahoc County, Maine?

Sagadahoc County requires a building permit only in limited cases (such as floodplains or specific zones), and it has no county-wide zoning. Onsite septic is permitted by Maine CDC Subsurface Wastewater Program (permits issued by the municipal Local Plumbing Inspector). Owner-builders may act as their own contractor to build their home. These answers are quoted from official sources and independently re-checked. Rules change and cities within the county differ — always confirm with the county before you buy or build.

How much does land cost in Sagadahoc County, Maine?

Land in Sagadahoc County runs about $4,880 per acre, based on the latest county data.

What is the water situation in Sagadahoc County?

Sagadahoc County gets about 48.2" of rain a year, with severe drought in roughly 3.7% of years.

How remote is Sagadahoc County?

A representative private-land location has about 54,490 people within a 30-minute drive and 1,396,893 within two hours. The road-network catchments count population across county lines and clusters of smaller cities; straight-line radius values remain available as a comparison.

How Sagadahoc compares in Maine

Compare side-by-side →See all 16 Maine counties ranked →