Bolthole Index

Linn County, Oregon

Building permits, zoning and land rules in Linn County, Oregon

53Index Score / 100
#27 of 36 in Oregon

Unincorporated Linn County, Oregon requires building permits for residential construction unless a specific exemption applies; Linn County Planning & Building issues building permits and conducts inspections12. County zoning applies outside city limits, including urban growth areas until annexation, while cities such as Albany and Lebanon zone their own land34. Linn County Environmental Health handles septic site approvals, plan reviews, permits and inspections5.

At a glance

Building permit
Required to construct, enlarge, alter, repair or move a residential structure unless a specific exemption applies1
Zoning
Yes; Linn County administers zoning districts in unincorporated areas3
Septic permits
Linn County Environmental Health handles new systems and changes in use of existing systems6
RV living
Protected in specified settings; private-land camping vehicles need approved water and sewage facilities, and ordinary full-time RV living remains unconfirmed78
Manufactured homes
Allowed on private land with owner consent, adequate approved water and sewage facilities, required installation permits and local zoning approval910
Owner-builder
A narrow structural-code exemption is available, but a building permit is still issued11
Private wells
A landowner doing the well work needs a state permit and bond unless licensed and bonded as a Water Supply Well Constructor12

Who to call

Building permits

Linn County Planning & Building Department

Land-use planning, zoning, building permits and building inspections for unincorporated Linn County

(541) 967-3816

315 SW 4th Avenue, First Floor, Albany, OR 97321

Online permits →

Septic permits

Linn County Health Services, Environmental Health & Vital Records

Septic site approvals, plan reviews, permits and inspections for new systems and changes in use of existing systems

541-967-3821

315 SW 4th Ave, 2nd Floor, Albany, OR 97321

Contact details are copied from each office’s official page and were checked against it on October 14, 2026.

Off-grid gear

Going off-grid in Linn 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 Linn County, Oregon?

Unincorporated Linn County requires a building permit to construct, enlarge, alter, repair or move a residential building unless a specific exemption applies1. Building-permit exemptions do not necessarily exempt electrical, plumbing or mechanical work, or remove land-use requirements13. Oregon’s statewide residential code governs construction, reconstruction and repair of one- and two-family dwellings and townhouses; the 2023 edition became mandatory April 1, 20241415. Keep permitted work exposed for inspection and obtain approval before proceeding past required inspection points16. A new dwelling needs a certificate of occupancy or temporary certificate before occupancy; permit-exempt work and accessory structures are excluded17. Qualifying farm or forest-operation buildings can be exempt from the state structural specialty code, but dwellings and public-use buildings are excluded, and local land-use rules still apply1819.

Who is the Linn County building department, and how do you reach it?

Linn County Planning & Building administers land-use planning, reviews construction plans, issues building permits and inspects work in progress2. The office is at 315 SW 4th Avenue, First Floor, Albany, OR 97321; call (541) 967-3816 for land-use and building information2. Linn County uses Oregon ePermitting2. Oregon’s online homeowner process supports applications, document uploads, fee payment, status tracking and inspection scheduling, but each participating county decides which building permits are sold online20. Ask Planning & Building which application route and fee schedule apply to your project2.

Does Linn County have zoning?

Linn County zoning applies to unincorporated land, including urban growth areas until annexation replaces county zoning with city zoning321. Linn County’s own code carries the comprehensive plan, zoning and land division rules22. Inside city limits the city sets zoning: Albany, Lebanon, Sweet Home, Harrisburg, Brownsville, Lyons and Millersburg each administer their own23242526272829. Septic approvals stay with Linn County Environmental Health in Millersburg and Lyons; Brownsville additionally requires the city’s written permission alongside the state permit303132. Within an urban growth boundary, Linn County must allow an accessory dwelling unit for each detached single-unit dwelling in qualifying zones, subject to reasonable siting and design rules; that requirement does not establish rural ADU rights outside the boundary33. Oregon prohibits new rural-residential parcels smaller than 2 acres; new exception areas previously zoned non-resource land generally require 10-acre parcels, with clustering allowed34. Ask Planning & Building for the parcel’s jurisdiction, zoning, boundary status and dimensional standards2.

How do septic permits work in Linn County?

Linn County Environmental Health provides septic site approvals, plan reviews, permits and inspections for new systems and changes in use of existing systems56. The office is at 315 SW 4th Ave, 2nd Floor, Albany, OR 97321, and the phone number is 541-967-382135. After construction, alteration or repair, the installer generally must request a pre-cover inspection; the county may waive it only in the limited circumstances allowed by the statewide rule36. Site feasibility deserves attention before purchase because only 6.2% of Linn County soils are mapped without severe limitations for a conventional drain field37. That countywide figure does not decide a particular tax lot, so obtain the county's site evaluation before fixing the house location or assuming a conventional system will work537.

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

Oregon allows camping-vehicle occupancy on private land with owner consent, adequate area for safe, approved water and sewage facilities, compliance with applicable installation standards, and no conflict with the statutory park restriction; confirm the parcel’s zoning with Linn County Planning & Building82. Oregon separately protects residential RV occupancy in qualifying parks with lawful utility connections, placements allowed under the rural-residential law, and on lots where a natural disaster made a dwelling uninhabitable, for up to five years or until the dwelling is repaired or replaced; the state and local governments may still impose other special conditions738. Linn County’s election to allow rural-residential RV rentals remains unconfirmed, so ask Planning & Building before relying on that option392. We could not confirm ordinary full-time RV living, tiny-home occupancy or minimum dwelling size in unincorporated Linn County; ask Planning & Building about your proposed dwelling2. The owner-builder exemption covers only ceiling heights, room sizes and specified temperature levels, requires owner construction with only unpaid friends or relatives assisting, and still requires a building permit40.

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

  1. Ask Planning & Building to identify the parcel's zoning, jurisdiction and applicable land-use standards before finalizing a design32.
  1. Arrange a septic site evaluation with Linn County Environmental Health and confirm the approved system area5.
  1. Confirm water. A landowner personally constructing, altering, converting or abandoning a water-supply well must obtain the required state permit and bond before starting unless licensed and bonded as a Water Supply Well Constructor12.
  1. Submit the building application and plans to Linn County Planning & Building; online availability depends on what the county offers through Oregon ePermitting220.
  1. Request each required inspection and keep the work exposed until the building official approves it41.
  1. Complete inspections and obtain the certificate of occupancy before using the new dwelling42.

What should you check before buying land in Linn County?

Before buying unincorporated Linn County land, ask Planning & Building to identify the parcel’s jurisdiction, zoning and overlays; county zoning remains in place within an urban growth area until annexation32. We could not confirm parcel-specific setbacks, driveway requirements or floodplain development rules; ask Planning & Building which standards and approvals affect the tax lot2. Only 6.2% of Linn County soils are mapped without severe limitations for a conventional drain field, so obtain Environmental Health’s site evaluation before choosing a house location375. A landowner personally doing water-supply well work needs a state permit and bond before starting unless licensed and bonded as a Water Supply Well Constructor12. Typical residential taxes are about a 0.9% effective rate and a $3,130 median annual bill; obtain the parcel’s actual tax record4344.

Watch-outs

  • Private-land camping-vehicle provisions and protected RV settings do not confirm ordinary full-time RV living in unincorporated Linn County; ask Planning & Building about zoning before buying for that purpose872.
  • The owner-builder exemption is unavailable if used within the preceding 5 years; a building permit is still issued, and a permit documenting noncompliance with the exempted requirements must be recorded with the county clerk40.
  • The agricultural and equine structural-code exemption does not authorize a dwelling or displace local land-use review19.

Sources

  1. About Oregon residential building permits, quoted and re-checked
  2. Linn County Planning & Building Department (web.archive.org)
  3. Linn County Land Development Code, Chapter 920—Development Code; General Provisions, quoted and re-checked
  4. oregon.gov, quoted and re-checked
  5. Septic Systems, quoted and re-checked
  6. Septic Systems, quoted and re-checked
  7. Oregon Revised Statutes, ORS 197.492–197.493, quoted and re-checked
  8. Oregon Revised Statutes, ORS 446.125, quoted and re-checked
  9. Oregon Revised Statutes, ORS 446.125, quoted and re-checked
  10. Goal 2: Land Use Planning (2026 county census)
  11. ORS 455.320 — Owner-built dwellings exempt from certain structural code provisions, quoted and re-checked
  12. Landowner Constructed Wells, quoted and re-checked
  13. About Oregon residential building permits, quoted and re-checked
  14. Residential Structures Code Program, quoted and re-checked
  15. Oregon State Building Code, quoted and re-checked
  16. 2023 Oregon Residential Specialty Code, Chapter 1, quoted and re-checked
  17. 2023 Oregon Residential Specialty Code, Chapter 1, quoted and re-checked
  18. Oregon Revised Statutes, ORS 455.315, quoted and re-checked
  19. Oregon Revised Statutes Chapter 455 — Building Code, quoted and re-checked
  20. Online building permit application process for homeowners (Oregon statewide rule), quoted and re-checked
  21. Just v. City of Lebanon, LUBA No. 2003-106, quoted and re-checked
  22. Linn County Records Inventory, quoted and re-checked
  23. Albany: Albany Development Code, Article 3 Residential Zoning Districts (Linn County), quoted and re-checked
  24. Lebanon: Planning (Linn County), quoted and re-checked
  25. Sweet Home: Ord. No. 5 for 2022 Development Code Adoption (Linn County), quoted and re-checked
  26. Harrisburg: Harrisburg, OR Municipal Code Chapter 18.10 Introduction (Linn County), quoted and re-checked
  27. Brownsville: Brownsville Municipal Code Chapter 15.80 Zones (eCode360) (Linn County), quoted and re-checked
  28. Lyons: City of Lyons, OR code of ordinances table of contents (eCode360) (Linn County), quoted and re-checked
  29. Millersburg: Comprehensive Plan & Zoning (Linn County), quoted and re-checked
  30. Millersburg: Septic Systems (Linn County), quoted and re-checked
  31. Lyons: Development permits - City of Lyons (Linn County), quoted and re-checked
  32. Brownsville: Brownsville Municipal Code Chapter 13.05 Sewer and Water Regulations (eCode360) (Linn County), quoted and re-checked
  33. Oregon Revised Statutes, ORS 197A.425, quoted and re-checked
  34. Rural Planning and Development, quoted and re-checked
  35. Linn County Health Services, Environmental Health & Vital Records (linncountyhealth.org)
  36. OAR 340-071-0170, Pre-Cover Inspections, quoted and re-checked
  37. 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
  38. Oregon Revised Statutes, ORS 197.493, quoted and re-checked
  39. Oregon Revised Statutes, ORS 215.490 (Oregon statewide rule), quoted and re-checked
  40. 2023 Oregon Residential Specialty Code, Chapter 1, quoted and re-checked
  41. 2023 Oregon Residential Specialty Code — Chapter 1, quoted and re-checked
  42. 2023 Oregon Residential Specialty Code — Chapter 1, quoted and re-checked
  43. Effective property tax rate: Bolthole Index county data
  44. Median property tax bill: Bolthole Index county data

Written October 14, 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 all 6 of its neighbors, Linn County has countywide zoning.

RuleLinn CountyMarion CountyBenton CountyLane CountyClackamas CountyPolk CountyYamhill County
Building permitRequiredRequiredRequiredRequiredRequiredRequiredLimited
County zoningYesYesYesYesYesYesYes
Septic permitsCounty Env. Health ProgramCounty Building InspectionCounty Community DevelopmentCounty Land Management Div.County Septic ProgramCounty Env. HealthCounty Planning & Development

County locator

Linn County in Oregon

53
County map
Linn County highlighted among the Oregon counties · colored by Index score

How Linn County scores

Seclusion26100% ev.
Self-Sufficiency64100% ev.
Admin Boringness42100% ev.
Durability54100% ev.
Property Autonomy72100% ev.
Carry Cost53100% 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 →

$414kTypical home
0.9%Property tax
$10,406Land / acre
70.3"Annual rain
16.1% of yrsSevere drought
1.1 / yr (+1)Mid-century 100°F days
26.6 daysMid-century dry spell
2.52" (+5.2%)Mid-century 1-day rain
1.26×Wildfire change factor
100%Forward climate coverage
$1,027Home insurance / yr
3% / yrInsurance growth
0.71%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
251,840People within 30 min
3,597,099People within 2 hr
52,536Radius comparison (15 mi)
57.4People / sq mi
39.5%Federal land
49.3%Land at 15% slope or less
6.2%Soils rated "not limited" for septic (strict USDA rating)
86,721 acWorkable land screen
73%Wooded land
109 tonsBiomass / forest ac
49.6°FAvg temp

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Cities and towns in Linn County

Inside a city or town, that city usually issues building permits and sets zoning; the county’s rules above cover unincorporated land. Septic, wells and floodplain rules usually stay with the county or state everywhere.

Not yet researched: Halsey · Harrisburg · Idanha · Mill City · Scio · Sodaville · Tangent · Town of Waterloo

Answers from the rulebook for Linn County

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

Linn County rules

  • County-wide zoningPresent (with conditions)

    Linn County zoning and implementing land-use regulations, including county zoning districts outside incorporated city jurisdiction.

    • Oregon land-use planning requires local comprehensive plans and implementing regulations.
    • County zoning may be replaced by municipal zoning when property is annexed into a city.
    “Except for some federal and tribal lands, every inch of Oregon is planned and zoned.”
  • Local zoningVaries (with conditions)

    Aggregate local zoning across Linn County: county zoning applies in unincorporated areas, while incorporated municipalities administer their own zoning after annexation.

    • This is an aggregate conclusion and does not mean Linn County administers each municipal ordinance.
    • Property in an unincorporated urban growth area may retain county zoning until annexation.
    • City and county comprehensive plans and implementing ordinances may both apply to urban-fringe development.
    “Petitioner appeals a city decision that annexes property and replaces county zoning with city zoning for that property.”
    3 more reviewed findings on this topic
    • Present (with conditions) — Linn County's county-maintained land-use framework, including zoning information in the Linn County Code.
      “Records at the Linn County Web Site: Linn County Code [comprehensive plan, zoning, and land division information], vol. 1-3, ca.1981-present”
    • Varies (with conditions) — Aggregate local zoning across unincorporated Linn County and incorporated municipalities within Linn County; the conclusion reflects different governing authorities by geography.
      “Petitioner appeals a city decision that annexes property and replaces county zoning with city zoning for that property.”
    • Present (with conditions) — Use and development of land in the unincorporated areas of Linn County under the Linn County Land Development Code and zoning map.
      “Property within the unincorporated Urban Growth Area that lies outside existing city limits and inside the city’s urban growth boundary is given a city comprehensive plan designation, but such property retains a county zoning designation until the property is annexed.”
  • Who permits septicCounty

    Linn County Environmental Health administers onsite wastewater approvals, plan reviews, permits, and inspections for residential, commercial, and public facilities in Linn County.

    • The county page states that onsite wastewater siting and construction requirements are established in Oregon Administrative Rules 340-71 and 340-73 and Oregon Revised Statutes 454 and 468B.
    “Linn County Environmental Health provides septic site approvals, plan reviews, permits and inspections for new systems and changes in use of existing systems.”
  • Septic permitRequired

    New onsite wastewater systems and changes in use of existing residential, commercial, and public-facility systems in Linn County.

    • The official page identifies permits for new systems and changes in use of existing systems; it does not establish that every existing system or every property activity requires a new permit.
    • Applicable siting and construction requirements are under OAR 340-71, OAR 340-73, ORS 454, and ORS 468B.
    “Linn County Environmental Health provides septic site approvals, plan reviews, permits and inspections for new systems and changes in use of existing systems.”

Oregon rules that apply here

  • Building permitLimited

    Qualifying agricultural buildings, agricultural grading, equine facilities, and dog training facilities in Linn County, subject to applicable local land-use and incorporated-city rules.

    • The exemption concerns application of the state structural specialty code; it does not authorize a dwelling.
    • An agricultural building must be located on a farm or forest operation and be used for qualifying agricultural, forestry, horticultural, animal-husbandry, crop, livestock, dairy, machinery, or forest-product purposes.
    • Agricultural buildings exclude dwellings; structures with 10 or more persons present at one time when used for a purpose other than growing plants; structures regulated by the State Fire Marshal; structures used by the public; and structures subject to the National Flood Insurance Act.
    • An equine facility means a building on a farm used by the farm owner or the public for stabling or training equines or riding lessons and training clinics; it excludes dwellings, structures with more than 10 persons present at one time, State Fire Marshal-regulated structures, and structures subject to the National Flood Insurance Act.
    • Incorporated cities may regulate agricultural buildings, equine facilities, and dog training facilities within their boundaries.
    • Additional agricultural-building uses must be incidental and accessory, personal to the farm owner and immediate family or household, and must not pose a greater hazard than the listed agricultural uses.

    maximum persons for qualifying agricultural building exception: < 10 persons present at one time (Does not apply to the growing-plants limitation stated in ORS 455.315(2)(a)(B)(ii).) · maximum persons for qualifying equine facility: < 10 persons present at one time (Structures with more than 10 persons present at one time are excluded.)

    “The provisions of this chapter do not authorize the application of a state structural specialty code to any agricultural building, agricultural grading, equine facility or dog training facility.”
    2 more reviewed findings on this topic
    • Required — Residential construction, enlargement, alteration, repair, or movement of a residential building or structure in Linn County, including applicable unincorporated areas.
      “A building permit is required to construct, enlarge, alter, repair, or move a residential building or structure.”
    • Required — Residential construction in Linn County subject to the Oregon Residential Specialty Code, including work administered locally by Linn County.
      “A building permit is required to construct, enlarge, alter, repair, or move a residential building or structure.”
  • Owner-builder exemptionAvailable (with conditions)

    Owner-built single-family residences and adjacent auxiliary structures in Oregon where the structural components are constructed entirely by the owner intending to occupy the structures, or by the owner with unpaid assistance from friends and relatives.

    • The owner must be the recorded title owner or contract purchaser shown on the last available complete assessment roll.
    • The owner must not have used the subsection (2) exemptions during the five years before applying again.
    • The exemption applies only to structural-code requirements for ceiling heights, room sizes, and maintenance of specific temperature levels.
    • It applies to new construction, renovation, remodeling, or alteration of an owner-built dwelling or outbuilding.
    • A building permit must be issued and must note whether the owner-built dwelling or outbuilding complies with the exempted requirements.
    • If the structure does not comply with those requirements, the owner-builder must file a copy of the building permit with the county clerk for permanent deed records and provide a legally sufficient property description.
    • Noncompliance with the filing requirement does not affect conveyance of an interest in the property.

    prior use lookback: 5 years (The owner must not have previously taken advantage of the subsection (2) exemptions during that period.)

    “Owner-built dwellings and outbuildings shall be exempt from any requirements of the structural code for ceiling heights, room sizes”
    2 more reviewed findings on this topic
    • Conditional — Owner-built single-family dwellings and adjacent auxiliary structures in Linn County whose structural components are constructed entirely by the owner intending to occupy them, or by the owner with unpaid friends or relatives.
      “Owner-built dwellings and outbuildings shall be exempt”
    • Available (with conditions) — Owner-built single-family residences and adjacent auxiliary structures in Linn County constructed entirely by the intending owner, or by the owner with unpaid assistance from friends and relatives.
      “Owner-built dwellings and outbuildings shall be exempt from any requirements of the structural code for ceiling heights, room sizes and the maintenance of specific temperature levels in those structures.”
  • Building code adoptedAdopted (with conditions)

    Building construction in Linn County governed by Oregon's statewide specialty building codes, including one- and two-family dwellings and townhouses covered by the Oregon Residential Specialty Code.

    • The Oregon Residential Specialty Code applies to construction, reconstruction, and repair of one- and two-family dwellings and townhouses.
    • The 2023 ORSC administrative provisions were effective and mandatory October 1, 2023.
    • The 2023 ORSC construction provisions were effective October 1, 2023 with a six-month phase-in period and mandatory April 1, 2024.
    • The Oregon State Building Code is administered through specialized state code programs and local building officials.
    • The state source does not establish which local entity administers permits in Linn County.

    2023 ORSC administrative provisions: October 1, 2023 · 2023 ORSC construction provisions effective date: October 1, 2023 (Six-month phase-in period) · 2023 ORSC construction provisions mandatory date: April 1, 2024

    “The Building Codes Division adopts, amends, and interprets specialty codes that make up the Oregon State Building Code.”
    4 more reviewed findings on this topic
    • Adopted (with conditions) — Construction, reconstruction, and repair of one- and two-family dwellings and townhouses in Linn County under the Oregon Residential Specialty Code.
      “The division works with building officials, technical committees, advisory boards, and the public to adopt, amend, and interpret the Oregon Residential Specialty Code (ORSC). This code applies to the construction, reconstruction, and repair of one- and two-family dwellings and townhouses. 2023 Oregon Residential Specialty Code (ORSC) Administrative provisions (Chapter 1): Effective and mandatory Oct. 1, 2023 Construction provisions (Chapters 2 - 44 and appendices): Effective Oct. 1, 2023 with *six-month phase-in period Mandatory April 1, 2024 Based on 2021 International Residential Code (IRC)”
    • Adopted (with conditions) — Oregon State Building Code specialty codes administered statewide by the Oregon Building Codes Division.
      “The Building Codes Division adopts, amends, and interprets specialty codes that make up the Oregon State Building Code.”
    • Adopted (with conditions) — Commercial construction, reconstruction, alteration, and repair governed by the Oregon Structural Specialty Code statewide.
      “Construction provisions: [...] Mandatory April 1, 2026”
    • Adopted (with conditions) — Construction, reconstruction, and repair of one- and two-family dwellings and townhouses governed by the Oregon Residential Specialty Code statewide.
      “2023 Oregon Residential Specialty Code (ORSC) [...] Based on 2021 International Residential Code (IRC)”
  • InspectionsRequired

    Permitted residential construction in Linn County subject to the Oregon Residential Specialty Code.

    • Construction or work for which a permit is required is subject to inspection by the building official.
    • Work must remain accessible and exposed until approved.
    • Required inspections include foundation, applicable mechanical and gas systems, floodplain, framing and masonry, insulation or vapor retarder, and final inspection.
    • For construction in flood hazard areas, floodplain inspections and document submissions are determined by the floodplain administrator.
    • The permit holder must notify the building official when work is ready and provide access; work may not proceed beyond successive inspection points without approval.
    “Construction or work for which a permit is required shall be subject to inspection by the building official and such construction or work shall remain accessible and exposed for inspection purposes until approved.”
    One more reviewed finding on this topic
  • Certificate of occupancyRequired

    New residential dwellings and changes in character, use, or occupancy in Linn County subject to the Oregon Residential Specialty Code.

    • A building or structure may not be used or occupied, or have a change in character, use, or occupancy, until the building official issues a certificate of occupancy.
    • Certificates of occupancy are not required for work exempt from permits under Section R105.2.
    • Certificates of occupancy are not required for accessory buildings or structures.
    • Once all inspections are completed and fees are paid on a structural permit, the certificate of occupancy may be issued through the state ePermitting workflow.
    “A building or structure shall not be used or occupied in whole or in part, and a change in existing character or use, or a change of occupancy of a building or structure or portion thereof shall not be made, until the building official has issued a certificate of occupancy for such change in character, use or occupancy.”
    One more reviewed finding on this topic
    • Required — New residential dwellings and townhouses in Linn County, including applicable unincorporated areas, before occupancy.
      “Prior to occupancy of a new residential dwelling or townhouse”
  • Zoning districtsPublished (with conditions)

    Statewide Oregon zoning data published by the Department of Land Conservation and Development; the data represents local zoning and does not itself replace local zoning ordinances or maps.

    • The source identifies the dataset as Statewide Zoning - 2023.
    • The source provides downloads through GEOHub and a GIS service.
    • Local governments remain the relevant authorities for parcel-level zoning determinations and ordinance administration.

    dataset year: 2023

    “Statewide Zoning - 2023 Downloads available from GEOHub Service”
  • Minimum dwelling sizeSpecified

    An owner-built single-family residence and adjacent auxiliary structures constructed entirely by the owner intending to occupy them, or by the owner with unpaid assistance from friends and relatives.

    • The owner must not have taken advantage of the ORS 455.320(2) exemptions during the five years prior to applying for the exemption.
    • The exemption applies to structural-code requirements for ceiling heights, room sizes, and maintenance of specific temperature levels.
    • The exemption applies to new construction, renovation, remodeling, or alteration of an owner-built dwelling or outbuilding.
    • The building permit must note whether the structure complies with the exempted requirements; if it does not, the owner-builder must file a copy of the permit with the county clerk for the permanent deed record.
    • The owner must provide the county clerk a property description sufficient to give constructive notice as if contained in a mortgage.
    • The exemption does not eliminate other applicable building-code, permit, inspection, land-use, or utility requirements.

    eligibility lookback: 5 years (The five years prior to applying for an exemption under ORS 455.320.) · covered structural provisions: ceiling heights, room sizes, and maintenance of specific temperature levels

    “Owner-built dwellings and outbuildings shall be exempt from any requirements of the structural code for ceiling heights, room sizes and the maintenance of specific temperature levels in those structures. The exemption shall apply to the new construction, renovation, remodeling or alteration of an owner-built dwelling or outbuilding.”
  • Minimum lot sizeSpecified

    Creation of new rural residential parcels statewide, including applicable rural residential areas of Linn County.

    • New rural residential parcels may not be smaller than 2 acres.
    • Existing rural residential zoning may not be changed to reduce the minimum lot size.
    • A new exception area previously zoned non-resource land must have a minimum parcel size of 10 acres, with allowance for clustering.
    • Pre-existing parcels may have one dwelling regardless of size.

    minimum parcel size: >= 2 acres (new rural residential parcels) · minimum parcel size: >= 10 acres (new exception area previously zoned non-resource land; clustering allowed)

    “Counties are prohibited from allowing the creation of new rural residential parcels smaller than two acres. Counties cannot allow zone changes of existing rural residential lands that would reduce the minimum lot size. For a new exception area that was previously zoned non-resource land, the minimum parcel size must be at least 10 acres, with allowance for clustering. Pre-existing parcels are allowed one dwelling regardless of size.”
    One more reviewed finding on this topic
    • Specified — Lots or parcels in Oregon resource-land zones covered by ORS 215.780: exclusive farm use land and designated forestland.
      “Except as provided in subsection (2) of this section, the following minimum lot or parcel sizes apply to all counties: (a) For land zoned for exclusive farm use and not designated rangeland, at least 80 acres; (b) For land zoned for exclusive farm use and designated rangeland, at least 160 acres; and (c) For land designated forestland, at least 80 acres.”
  • Living in an RVLimited

    One residential-use recreational vehicle on a lot or parcel in an Oregon rural area, when a county elects to allow the use under ORS 215.490.

    • The property must not be within an urban reserve.
    • An owner-occupied single-unit dwelling must be sited on the property as the owner's primary residence.
    • There must be no other dwelling units on the property, and no portion of the single-unit dwelling may be rented as a residential tenancy.
    • The recreational vehicle space or vehicle may not be used for vacation occupancy or other short-term uses.
    • The recreational vehicle must be owned or leased by the tenant.
    • The property owner must provide essential services.
    • A county may require registration, a written residential rental agreement, payment limits, and reasonable appearance, repair, inspection, or siting standards.
    “A county may allow an owner of a lot or parcel in a rural area to site on the property one recreational vehicle”
    4 more reviewed findings on this topic
    • Limited — Occupancy of a recreational vehicle as a residential dwelling in Oregon, including Linn County, when the RV is in a manufactured dwelling park, mobile home park, or recreational vehicle park, or when it is on a lot with a dwelling made uninhabitable by a natural disaster.
      “House Bill 2809, which became law in 2021, allows occupancy of a RV as a residential dwelling if: 1. The RV is located in a manufactured dwelling park, mobile home park, or recreational vehicle park; and is lawfully connected to water and electrical supplies as well as a sewage disposal system.”
    • Allowed (with conditions) — Residential occupancy of a recreational vehicle in Oregon, including Linn County, when one of the statutory conditions applies.
      “A state agency or local government may not prohibit the placement or occupancy of a recreational vehicle, or impose any limit on the length of occupancy of a recreational vehicle as a residential dwelling, solely on the grounds that the occupancy is in a recreational vehicle, if the recreational vehicle is: (a) Allowed under ORS 215.490; (b)(A) Located in a manufactured dwelling park, mobile home park or recreational vehicle park; (B) Occupied as a residential dwelling; and (C) Lawfully connected to water and electrical supply systems and a sewage disposal system; or (c) On a lot or parcel with a manufactured dwelling or single-unit dwelling that is uninhabitable due to damages from a natural disaster, including wildfires, earthquakes, flooding or storms, until no later than the date: (A) The dwelling has been repaired or replaced and an occupancy permit has been issued; (B) The local government makes a determination that the owner of the dwelling is unreasonably delaying in completing repairs or replacing the dwelling; or (C) Five years after the date the dwelling first became uninhabitable. (2) Subsection (1) of this section does not limit the authority of a state agency or local government to impose other special conditions on the placement or occupancy of a recreational vehicle.”
    • Limited — Residential occupancy of recreational vehicles in Linn County when the vehicle is allowed under ORS 215.490, located in a manufactured dwelling, mobile home, or recreational vehicle park and lawfully connected to water, electricity, and sewage disposal, or temporarily placed on a lot with a dwelling made uninhabitable by a natural disaster.
      “A state agency or local government may not prohibit the placement or occupancy of a recreational vehicle, or impose any limit on the length of occupancy of a recreational vehicle as a residential dwelling, solely on the grounds that the occupancy is in a recreational vehicle, if the recreational vehicle is:”
    • Limited — Residential occupancy of a recreational vehicle in Oregon when the vehicle is allowed under ORS 215.490, located in a manufactured dwelling park, mobile home park, or recreational vehicle park and lawfully connected to required services, or placed on a lot with a dwelling made uninhabitable by a natural disaster.
      “A state agency or local government may not prohibit the placement or occupancy of a recreational vehicle”
  • Camping on your landAllowed (with conditions)

    Occupancy of a manufactured dwelling or camping vehicle on private land in Oregon.

    • The landowner must consent.
    • The lot, tract or parcel must have adequate area for safe, approved water supply and sewage disposal facilities.
    • The use must not conflict with ORS 446.310 (9).
    • The person must comply with all applicable state or local standards for sanitation, water, plumbing, electrical and sewerage installations.
    “446.125 Occupancy on private land. A person may occupy a manufactured dwelling or a camping vehicle on private land with the consent of the owner of the land if: (1) The lot, tract or parcel of land upon which the manufactured dwelling or camping vehicle is situated has an area adequate to provide safe, approved water supply and sewage disposal facilities and is not in conflict with ORS 446.310 (9). (2) The person complies with all applicable standards of sanitation, water, plumbing and electrical and sewerage installations prescribed by the laws of this state and the rules issued thereunder, or by local authorities.”
    One more reviewed finding on this topic
    • Allowed (with conditions) — Camping-vehicle occupancy on private land in Linn County with the landowner's consent.
      “446.125 Occupancy on private land. A person may occupy a manufactured dwelling or a camping vehicle on private land with the consent of the owner of the land if:”
  • Manufactured homesAllowed (with conditions)

    Occupancy and installation of manufactured dwellings on private land in Linn County.

    • The landowner must consent.
    • The lot, tract, or parcel must have adequate area for safe, approved water supply and sewage disposal facilities and must not conflict with ORS 446.310(9).
    • Applicable sanitation, water, plumbing, electrical, and sewerage standards must be followed.
    • Manufactured dwellings must be used as single-family dwellings and not for commercial purposes unless a listed exception applies.
    • A change to another occupancy requires specific approval under the Oregon specialty codes by the authority having jurisdiction, after which the structure loses its identity as a manufactured dwelling and its insignia must be removed and returned to the Department of Consumer and Business Services.
    • Installation requires all permits required by the Department of Consumer and Business Services or an authorized municipality.
    “446.125 Occupancy on private land. A person may occupy a manufactured dwelling or a camping vehicle on private land with the consent of the owner of the land if:”
    One more reviewed finding on this topic
    • Allowed (with conditions) — Occupancy of a manufactured dwelling on private land in Oregon with the landowner's consent.
      “A person may occupy a manufactured dwelling or a camping vehicle on private land with the consent of the owner”
  • Accessory dwellingsLimited

    Accessory dwelling units in areas within an urban growth boundary zoned for detached single-unit dwellings in a city with population greater than 2,500 or a county with population greater than 15,000.

    • The local government must allow at least one accessory dwelling unit for each detached single-unit dwelling.
    • Local regulations may address siting and design but may not include owner-occupancy requirements for the primary or accessory structure or requirements to construct additional off-street parking.
    • Local governments may regulate vacation occupancies to require owner-occupancy or off-street parking.

    city population threshold: > 2500 persons · county population threshold: > 15000 persons · minimum ADUs per detached single-unit dwelling: >= 1 unit

    “A city with a population greater than 2,500 or a county with a population greater than 15,000 shall allow”
    2 more reviewed findings on this topic
    • Limited — Accessory dwelling units in Oregon cities and counties subject to ORS 197.312, including potentially applicable areas of Linn County; the source does not establish which Linn County rural zones are covered.
      “Senate Bill 2015 (2017), codified in ORS 197.312, requires that cities and counties of a certain population must permit ADUs in areas zoned for detached single-family dwellings. Local governments have the flexibility to regulate the siting and design of ADUs, as long as these regulations do not create 'unreasonable cost or delay' to their development.”
    • Allowed (with conditions) — At least one accessory dwelling unit for each detached single-unit dwelling in Linn County areas within an urban growth boundary zoned for detached single-unit dwellings.
      “A city with a population greater than 2,500 or a county with a population greater than 15,000 shall allow in areas within the urban growth boundary that are zoned for detached single-unit dwellings the development of at least one accessory dwelling unit for each detached single-unit dwelling, subject to reasonable local regulations relating to siting and design.”
  • Septic inspectionLimited

    Onsite wastewater system construction, alteration, or repair in Linn County under Oregon's statewide onsite wastewater rules.

    • The installer must request a pre-cover inspection when construction, alteration, or repair is complete except for backfill, unless the permit otherwise requires.
    • The agent must inspect the installation unless the agent waives the inspection under OAR 340-071-0170(2) or OAR 340-071-0400(5).
    • For a system proposed to serve a single-family dwelling or a system of similar flow and waste strength, the agent may waive inspection only when the system was installed by a sewage disposal service business licensed under ORS 454.695, the installer complies with all rule requirements, and the installer submits requested photographs of waived construction portions.
    • Linn County Environmental Health provides inspections for new systems and changes in use of existing systems; the county page does not establish that every existing system requires an inspection.
    “System installers must request a pre-cover inspection when system construction, alteration, or repair is complete except for backfill (cover) and as a permit otherwise requires. The agent must inspect the installation to determine whether it complies with this division, unless the agent waives the inspection under section (2) of this rule or OAR 340-071-0400(5).”
  • Off-grid sanitationLimited

    Use of composting toilets and related graywater systems in Oregon.

    • A composting toilet does not eliminate all household water; plumbing fixtures still need connection to an approved septic system.
    • If used with a graywater reuse system, both the graywater reuse system and septic system require a DEQ permit.
    • The graywater reuse system must be offline during wet-weather months or when discharges could create a public nuisance.
    • Material removed from a composting toilet must be buried under 12 inches of soil.
    • Buildings within a sewer district still need a sewer connection.

    burial depth for removed composting-toilet material: 12 inches · maximum reduced drainfield capacity mentioned by DEQ: two-thirds (The source says the drainfield may be approved for a smaller capacity, as much as two-thirds the size.)

    “Composting toilets don't eliminate all water generated in a home and therefore you will need to be hooked up to an approved wastewater treatment system.”
  • Well permitRequired

    A property owner constructing, altering, converting, or abandoning a water-supply well in Oregon without being a licensed and bonded Water Supply Well Constructor.

    • A licensed and bonded Water Supply Well Constructor is exempt from the landowner-permit requirement stated on the page.
    • The permit, permit fee, and bond or irrevocable letter of credit must be obtained before work begins.
    • The application requires owner and surety information, proposed well location, proposed use, type of work, and a Department-approved well design plan.
    • The bond or irrevocable letter of credit is $10,000 and the permit fee is $550.
    • Only the owner of record, an immediate family member of the owner of record, or a full-time employee whose main duties are other than well construction may operate a drilling machine under a landowner permit.
    • The permit expires six months after issuance; a water-well report is due within 30 days after permit expiration or well completion, whichever occurs first.
    • The Department may deny a permit if the proposed work presents a health threat, health hazard, contamination source, or groundwater waste source.

    bond or irrevocable letter of credit: 10000 USD · permit fee: 550 USD · permit expiration: 6 months · water-well report deadline: 30 days (after permit expiration or well completion, whichever occurs first)

    “The Water Resources Commission requires a permit [...] for each water supply well constructed, altered, converted, or abandoned by a landowner”
    One more reviewed finding on this topic
    • Required — A landowner constructing, altering, converting, or abandoning a water-supply well in Oregon, including Linn County.
      “The Water Resources Commission requires a permit, permit fee, and bond or irrevocable letter of credit, for each water supply well constructed, altered, converted, or abandoned by a landowner, unless the landowner is a licensed and bonded Water Supply Well Constructor. The landowner permit and bond shall be obtained prior to beginning work on a well.”
  • Mandatory utility hookupSewer (with conditions)

    A building located within an Oregon sewer district, including a building using a composting toilet.

    • The source specifically addresses buildings within a sewer district.
    • A composting toilet does not eliminate the sewer-connection requirement.
    “What if my building is within a sewer district? Your building will still need a sewer connection.”
  • Agricultural exemptionAvailable (with conditions)

    Qualifying agricultural buildings, agricultural grading, equine facilities and dog-training facilities under Oregon structural-code law.

    • The exemption is only from the Oregon Structural Specialty Code.
    • Electrical, plumbing and mechanical work remains subject to permits and the applicable specialty codes.
    • An agricultural building must be located on a farm or forest operation and used for the statutory agricultural, forestry, horticultural, animal-husbandry or related purposes.
    • An agricultural building does not include a dwelling; a structure used for a purpose other than growing plants in which 10 or more persons are present at any one time; a structure regulated by the State Fire Marshal; a structure used by the public; or a structure subject to the National Flood Insurance Act provisions identified in ORS 455.315.
    • Incorporated cities may regulate agricultural buildings, equine facilities and dog-training facilities within their boundaries.
    • Additional uses in an agricultural building must be incidental and accessory, personal to the farm owner and immediate family or household, and pose no greater hazard than the listed agricultural uses.

    maximum persons present for qualifying non-growing-plants agricultural structure: < 10 persons (Structures with 10 or more persons present at one time are excluded.)

    “The provisions of this chapter do not authorize the application of a state structural specialty code to any agricultural building, agricultural grading, equine facility or dog training facility.”
    One more reviewed finding on this topic
    • Available (with conditions) — Agricultural buildings, agricultural grading, equine facilities, and dog training facilities in Oregon, including Linn County, subject to statutory definitions and exclusions.
      “455.315 Exemption of agricultural buildings, agricultural grading, equine facilities and dog training facilities. (1) The provisions of this chapter do not authorize the application of a state structural specialty code to any agricultural building, agricultural grading, equine facility or dog training facility.”
  • Subdividing landRegulated (with conditions)

    Subdivisions and partitions in Oregon subject to review under ORS 92.044.

    • Before a plat may be made and recorded, the applicant must submit a written application to the city or county having jurisdiction under ORS 92.042.
    • The application must include a tentative plan showing the general design.
    • The tentative plan must be approved before the plat may be considered for approval.
    • Cities and counties must adopt standards and procedures governing submission and approval, including requirements addressing utilities, streets, minimum lot sizes, safety, light and air, overcrowding, transportation, water, sewerage, drainage, education, recreation and other needs.
    • Applicable local zoning ordinances and regulations remain part of plat approval criteria.

    tentative-plan approval before plat consideration: true (Applies to subdivisions or partitions subject to review under ORS 92.044.) · local standards and procedures: required by city or county ordinance or regulation (Jurisdiction is determined under ORS 92.042.)

    “Before a plat of any subdivision or partition subject to review under ORS 92.044 may be made and recorded, the person proposing the subdivision or partition or authorized agent or representative of the person shall make an application in writing to the county or city having jurisdiction under ORS 92.042 for approval of the proposed subdivision or partition in accordance with procedures established by the applicable ordinance or regulation adopted under ORS 92.044.”
  • Driveway accessRequired

    Constructing a new private driveway or highway approach, changing the use of an existing connection, constructing a temporary or special-use approach, improving an existing approach or connection, or permitting an existing grandfathered or unpermitted connection to an Oregon state highway.

    • Written permission from ODOT is required before constructing a new approach or changing the use of an existing connection.
    • An approach permit is also required for temporary approaches, special-use approaches, improving an existing approach or connection, and permitting existing grandfathered or unpermitted connections.
    • ODOT cannot issue an approach permit to a freeway, freeway ramp, or expressway ramp; where the approach would be aligned opposite a freeway or expressway ramp terminal; or where the property has no access right to the highway.
    • ODOT does not charge a fee to submit the application, but local government LUCS fees, traffic impact analysis, construction insurance and bond, approach design and construction, mitigation, and maintenance costs may apply.
    • Before construction, ODOT must approve the approach design and construction plans and issue a Permit to Construct; after inspection, ODOT issues a Permit to Operate, Maintain and Use the approach.

    application submission fee: 0 USD (Other associated costs may apply.)

    “ODOT requires a highway approach permit because state law, ORS 374.305(1), requires anyone wanting to construct a new approach or change the use of an existing connection to first obtain written permission from ODOT.”
  • Permit feesVariable (with conditions)

    Oregon state building-code permit fees and fee methodologies, including residential and commercial electrical, plumbing, mechanical, and structural work.

    • Residential electrical new-construction fees are calculated by square footage or, for alterations and repairs, by services, feeders, and branch circuits.
    • Residential plumbing new-construction fees are based on kitchens and bathrooms; alteration and repair fees are based on fixtures.
    • Residential mechanical fees are calculated per appliance or equipment.
    • Residential structural new-construction fees use the ICC Valuation Table current as of April 1 of each year; alteration and repair fees use fair market value as determined by the building official.
    • Commercial plumbing fees are based on fixtures; commercial mechanical fees use equipment valuation and installation costs; commercial electrical fees use services, feeders, and branch circuits.
    • Commercial structural new-construction valuation is the greater of the ICC Valuation Table current as of April 1 of each year or the applicant's stated value; otherwise the building official determines valuation when the construction or occupancy type does not fit the table.
    • Local fee schedules and additional departmental fees may also apply.

    residential structural valuation table date: April 1 of each year · commercial structural valuation: greater of ICC Valuation Table or applicant-stated value (when construction is new/addition) · alteration or repair valuation: fair market value determined by building official (residential structural work)

    “Fees calculated per appliance/equipment. [...] Fees based on fair market value as determined by the building official.”
  • Permit processPublished (with conditions)

    Online homeowner building-permit applications through Oregon ePermitting in participating cities and counties.

    • Participation by cities or counties is voluntary.
    • Each participating city or county determines which permits are available for online sale.
    • The applicant creates an account, downloads the homeowner acknowledgement form, searches for the work-site address, enters owner contact details, uploads the form, and enters work details.
    • After submission, the local city or county contacts the applicant when fees are ready to be paid and when the permit has been issued.
    • Applicants may track status, pay fees, upload documents, schedule inspections, and review inspection results after submission.
    “Participation by cities or counties is voluntary and each participating city or county determines which permits are available for sale online.”
  • county zoning authorityGeneral

    Oregon counties adopting and revising comprehensive plans, zoning, subdivision, and other land-use ordinances applicable to county land, including unincorporated areas.

    • The statutory text states an exception for ORS 527.722.
    • Plans and related ordinances may be adopted and revised part by part or by geographic area.
    • Zoning, subdivision, and other ordinances or regulations must be designed to implement the adopted county comprehensive plan.
    • Before a county zoning ordinance has legal effect, the governing body or planning commission must conduct one or more public hearings and publish 10 days' advance public notice; additional notice requirements apply to certain zone changes under ORS 215.223.
    “Except as provided in ORS 527.722, the county governing body shall adopt and may from time to time revise a comprehensive plan and zoning, subdivision and other ordinances applicable to all of the land in the county. The plan and related ordinances may be adopted and revised part by part or by geographic area.”
  • county building authorityGeneral

    Oregon counties administering and enforcing building inspection programs, including issuance and enforcement of building permits for residential construction in areas outside incorporated cities.

    • A county building inspection program is subject to the state building code and the statutory building-inspection-program framework.
    • If a county does not notify the director, or notifies the director that it will not administer and enforce a building inspection program, the director must arrange administration and enforcement through a municipality, other person, state employees, or state agencies; permit and other fees arising therefrom are paid into the Consumer and Business Services Fund.
    • A building inspection program is administered for four-year periods under ORS 455.150; the governing body must provide required notices to the Director of the Department of Consumer and Business Services.
    • The program must specify cooperation with the State Fire Marshal or designee and how a uniform fire code will be considered in design and construction review.
    • The cited archive is the 2015 Oregon Revised Statutes edition; the current official ORS 455 page was identified but returned a 403 error during retrieval.
    “If a city does not notify the director, or notifies the director that it will not administer the building inspection program, the county or counties in which the city is located shall administer and enforce the county program within the city in the same manner as the program is administered and enforced outside the city, except as provided by subsection (6) of this section.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission — ask the county directly.

  • Setbacks — Building setbacks in unincorporated Linn County, Oregon.
  • Lot coverage — Lot coverage in unincorporated Linn County, Oregon.
  • Building height — Building height in unincorporated Linn County, Oregon.
  • Tiny homes — Occupancy of tiny homes on private land in unincorporated Linn County, Oregon.
  • Building in a floodplain — Development in Linn County flood-hazard areas.
1 more unanswered
  • Short-term rentals

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 Linn County, Oregon

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

Linn County scores 53/100 on the Bolthole Index, a solid county profile. Its strengths: a stronger property-autonomy legal backdrop and workable self-sufficiency basics: 70.3″/yr rainfall and 73% wooded land. Watch-outs: about 251,840 people within a 30-minute drive and more administrative friction around building and land use.

Do you need a building permit in Linn County, Oregon?

Linn County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by Linn County Environmental Health Program. 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.

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

Living in an RV on your own land in Linn County is limited to specific cases: Statewide rule. One residential-use recreational vehicle on a lot or parcel in an Oregon rural area, when a county elects to allow the use under ORS 215.490. The property must not be within an urban reserve. An owner-occupied single-unit dwelling must be sited on the property as the owner's primary residence. Confirm with the county before relying on it.

How much does land cost in Linn County, Oregon?

Land in Linn County runs about $10,406 per acre, based on the latest county data.

What is the water situation in Linn County?

Linn County gets about 70.3" of rain a year, with severe drought in roughly 16.1% of years.

How remote is Linn County?

A representative private-land location has about 251,840 people within a 30-minute drive and 3,597,099 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 Linn compares in Oregon

Compare side-by-side →See all 36 Oregon counties ranked →