Bolthole Index

Putnam County, Ohio

Building permits, zoning and land rules in Putnam County, Ohio

43Index Score / 100
#61 of 88 in Ohio

Putnam County, Ohio has no county building department and no county-run zoning: building permits and zoning approval come from the village inside corporation limits or the township outside them12. Septic permits and private-water permits for every address, village or township, come from the Putnam County Health Department34.

At a glance

Building permit
Required in zoned townships; ask the village inside corporation limits or the township outside them15
Zoning
12 of 15 townships are zoned; village rules apply inside village limits6
Septic permit
Required through the Putnam County Health Department3
Private well
A health-department permit is required for construction or alteration4
RV living
No countywide private-land rule confirmed; ask the parcel's village or township7
Tiny home
No countywide occupancy rule confirmed; ask the parcel's village or township7
Owner-builder
Allowed conditionally where a certified building department has jurisdiction; plans still require approval8

Who to call

Planning & zoning

Putnam County Planning Commission

Subdivision and floodplain regulations, lot splits, and assistance to local zoning officials

419-523-8758

245 East Main Street, Ottawa, Ohio 45875

Septic permits

Putnam County Health Department, Environmental Health Division

Household sewage treatment system and private water system permits

419.523.5608

256 Williamstown Rd, Ottawa, OH 45875

Roads & driveways

Putnam County Engineer's Office

County-road general permits, including driveway access

419-523-6931

245 East Main Street, Ottawa, Ohio 45875

Floodplain permits

Putnam County Planning Commission Floodplain Administration

Floodplain questions and applications for unincorporated property

419-523-8758

Contact details are copied from each office’s official page and were checked against it on October 9, 2026.

Off-grid gear

Going off-grid in Putnam 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 Putnam County, Ohio?

A building permit is required for projects in Putnam County's zoned townships, and each township sets its specific application requirements5. Putnam County directs applicants inside corporation limits to their village and applicants outside corporation limits to their township1. Ohio has statewide residential and nonresidential building codes, but the local enforcement authority varies91. Published building-permit fees also vary by township, so confirm the current amount and inspection process with the village or township before ordering materials10. An owner-builder working where a certified building department has jurisdiction must submit plans and wait for approval before starting covered work8.

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

Putnam County has no single building counter identified for every residential parcel; the village handles property inside corporation limits and the township handles property outside them1. The Putnam County Planning Commission enforces subdivision and floodplain regulations and assists local zoning officials11. Call the Planning Commission at 419-523-8758 or visit 245 East Main Street, Ottawa, Ohio 4587512. A driveway installed from a county road requires a County Engineer permit13. State-highway access goes to ODOT, county-road access goes to the County Engineer and township-road access goes to township trustees14. Call the County Engineer's Office at 419-523-6931 for county-road access15.

Does Putnam County have zoning?

Putnam County does not administer zoning itself; zoning is handled at the village or township level2. The county reports that 12 of its 15 townships are zoned; township zoning inspectors handle setbacks, minimum acreage and other local standards where zoning applies6. Village officials handle zoning inside village limits7. Most townships require at least 1 acre, Jackson and Van Buren require 2 acres, and septic needs can increase the required lot size16. Ottawa Township's A-1 and R-1 districts generally use a 1-acre minimum, increasing to 2 acres for an A-1 lot with a pond17. Because the county materials do not identify every unzoned township consistently, ask the applicable township to confirm the parcel's zoning status, district, allowed use, setbacks and minimum lot size6.

How do septic and well permits work in Putnam County?

Start a rural home project with the Putnam County Health Department when the site will not connect to municipal water or sewer18. No individual or contractor may install or alter a sewage system without a permit; connecting to an existing system and replacing a septic tank count as alterations3. The published 2025 fees are $500 for a sewage-treatment-system permit and $425 for a private-water-system permit19. Septic systems are evaluated once during each 5-year permit cycle, although a pumping report may be accepted instead20. Site work deserves early attention because 0% of mapped county soils are rated without severe limitations for a conventional drain field21. Drinking-water systems, including new wells, an existing well connected to a new dwelling and ponds, require a Health Department permit4. Call Environmental Health at 419.523.5608 or visit 256 Williamstown Rd, Ottawa, OH 4587522.

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

We could not confirm a countywide rule allowing or prohibiting full-time RV living or tiny-home occupancy on private land in Putnam County. Because zoning varies by village and township, ask the local zoning official how the proposed unit is classified and whether residential occupancy, utilities, setbacks or a principal dwelling are required7. Palmer Township's published materials prohibit mobile homes, trailers and trailer coaches, so a movable tiny home or RV should not be assumed legal there23. A qualifying permanently sited manufactured home is permitted wherever a political subdivision permits single-family homes, although uniformly applicable single-family zoning requirements may still apply24.

How do you build a home in Putnam County, Ohio, step by step?

  1. Confirm whether the parcel is inside village limits or in a township, then ask that local office about zoning, the building permit, inspections and fees15.
  1. Ask the Putnam County Planning Commission about subdivision and floodplain review; lot splits of 5 acres or fewer go through the commission2526.
  1. Submit the sewage-treatment and private-water applications and required documents to the Health Department27.
  1. Obtain the Health Department permits before requesting the applicable township building permit27.
  1. Get driveway approval from ODOT, the County Engineer or township trustees according to who controls the road14.
  1. If a plat is required, allow for the county guide's stated 10-day Planning Commission signature process before recording it28.

What should you check before buying land in Putnam County?

First identify the village or township because building permits, zoning rules, lot standards and fees depend on that jurisdiction161610. Make the offer contingent on a satisfactory septic site evaluation because 0% of mapped county soils are rated without severe limitations for a conventional drain field21. Check floodplain status with the Planning Commission for unincorporated land and with village officials inside village limits26. Confirm driveway approval with the authority controlling the road; a county-road driveway requires the County Engineer's permit13. Send lot splits of 5 acres or fewer through the Planning Commission25. The nearest city of 100,000 or more is about 49 miles from the county center29. The typical farmland value is $8,403 per acre and the median annual property-tax bill is $1,870, but parcel prices and tax bills vary3031.

Watch-outs

  • Putnam County building-permit authority changes at corporation limits: use the village inside them and the township outside them1.
  • A septic permit is required even when connecting to an existing system or replacing a septic tank3.
  • Putnam County's published township fee information includes entries dating from 2019, so confirm the current amount with the responsible township10.
  • Putnam County does not run zoning for the townships or villages, so a township zoning inspector or village official, not a county office, decides setbacks and allowed uses for a parcel2.

Sources

  1. Permits | Putnam County Ohio, quoted and re-checked
  2. Engineer | Putnam County Ohio, quoted and re-checked
  3. New Home Construction | Putnam Health Department Ohio, quoted and re-checked
  4. Water | Putnam Health Department Ohio, quoted and re-checked
  5. Putnam County Building Process, quoted and re-checked
  6. putnamhealth.com, quoted and re-checked
  7. Contact Information | Putnam County Ohio, quoted and re-checked
  8. Section 3791.04 | Submission of plan - approvals - prohibition - fine (Ohio statewide rule), quoted and re-checked
  9. Section 3781.10 | Board of building standards - powers and duties (Ohio statewide rule), quoted and re-checked
  10. Putnam County Building Process, quoted and re-checked
  11. Planning Commission | Putnam County Ohio, quoted and re-checked
  12. Putnam County Planning Commission (putnamcountyohio.gov)
  13. Putnam County Building Process, quoted and re-checked
  14. Contact Information | Putnam County Ohio, quoted and re-checked
  15. Putnam County Engineer's Office (putnamcountyohio.gov)
  16. Putnam County Building Process, quoted and re-checked
  17. putnamcountyohio.gov, quoted and re-checked
  18. New Home Construction | Putnam Health Department Ohio, quoted and re-checked
  19. Putnam County Building Process, quoted and re-checked
  20. Operation & Maintenance | Putnam Health Department Ohio, quoted and re-checked
  21. 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
  22. Putnam County Health Department, Environmental Health Division (putnamhealth.com)
  23. putnamcountyohio.gov, quoted and re-checked
  24. Section 3781.184 - Ohio Revised Code, quoted and re-checked
  25. Engineer | Putnam County Ohio, quoted and re-checked
  26. Contact Information | Putnam County Ohio, quoted and re-checked
  27. Putnam County Building Process, quoted and re-checked
  28. New Construction Guide, quoted and re-checked
  29. Straight-line distance from the county center to the nearest city of 100,000+ people: Bolthole Index county data
  30. Farmland value per acre (USDA census): Bolthole Index county data
  31. Median property tax bill: Bolthole Index county data

Written October 9, 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

Unlike 5 of its 6 neighbors, Putnam County has no countywide zoning.

RulePutnam CountyHenry CountyAllen CountyHancock CountyPaulding CountyDefiance CountyWood County
Building permitLimitedRequiredLimitedLimitedLimitedLimitedRequired
County zoningNoYesYesNoYesYesYes
Septic permitsCounty Health Dept.County General Health DistrictCounty Public HealthCounty Health Dept.County Health Dept.County General Health DistrictCounty Health Dept.

County locator

Putnam County in Ohio

43
County map
Putnam County highlighted among the Ohio counties · colored by Index score

How Putnam County scores

Seclusion25100% ev.
Self-Sufficiency30100% ev.
Admin Boringness5390% ev.
Durability79100% ev.
Property Autonomy35100% ev.
Carry Cost69100% ev.

Evidence strength: 98%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$262kTypical home
1%Property tax
$8,403Land / acre
37.5"Annual rain
1.1% of yrsSevere drought
4.1 / yr (+4)Mid-century 100°F days
11.9 daysMid-century dry spell
1.42" (+7%)Mid-century 1-day rain
1.77×Wildfire change factor
100%Forward climate coverage
$1,234Home insurance / yr
0.4% / yrInsurance growth
0.56%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
95,651People within 30 min
5,884,844People within 2 hr
55,339Radius comparison (15 mi)
70.9People / sq mi
0.1%Federal land
100%Land at 15% slope or less
0%Soils rated "not limited" for septic (strict USDA rating)
5 acWorkable land screen
6.5%Wooded land
62.6 tonsBiomass / forest ac
51.1°FAvg temp

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Cities and towns in Putnam 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: Village of Belmore · Blanchard Township · Village of Cloverdale · Village of Continental · Village of Dupont · Village of Fort Jennings · Village of Gilboa · Village of Glandorf · Greensburg Township · Jennings Township · Village of Kalida · Liberty Township · Village of Miller City · Monroe Township · Monterey Township · Village of Ottawa · Village of Ottoville · Palmer Township · Village of Pandora · Perry Township · Pleasant Township · Riley Township · Sugar Creek Township · Union Township · Van Buren Township · Village of West Leipsic

Answers from the rulebook for Putnam County

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

Putnam County rules

  • Building permitLimited

    Residential building permits in Putnam County, with permitting handled by villages or townships rather than a single county building department.

    • Contact the village for property inside corporation limits.
    • Contact the township for property outside corporation limits.
    • The official building-process packet lists township-specific permit requirements and fees.
    “For building permits, contact your Village or your Township, if you’re outside of the corporation limits.”
    2 more reviewed findings on this topic
    • Limited — Residential building permits in Putnam County.
      “For building permits, contact your Village or your Township, if you’re outside of the corporation limits.”
    • Limited — New-home construction in Putnam County townships; permit administration varies by township.
      “Building permit: For zoned townships. Provide all required information for the building permit. Check with each township for specific requirements.”
  • County-wide zoningAbsent

    County-administered zoning regulations across Putnam County, including unincorporated areas.

    • Building zoning regulations are handled at the village or township level.
    • Local township and village zoning rules may apply.
    “Building zoning regulations are handled at the village or township level.”
  • Local zoningVaries (with conditions)

    Zoning across Putnam County, aggregated across township/rural and village jurisdictions rather than administered uniformly by the county.

    • Township/rural properties are handled by township zoning officers.
    • Blanchard and Sugar Creek Townships are identified by the county as having no zoning regulations.
    • Properties within village limits are handled by village officials.
    • The county Building Process packet separately identifies Blanchard, Riley, and Sugar Creek Townships as not zoned and other listed townships as zoned.
    “Zoning Regulations – Townships/Rural: Township Zoning Officer; (Note: Blanchard & Sugar Creek Townships do not have zoning regulations) Zoning Regulations – within Village limits: Village Officials;”
    4 more reviewed findings on this topic
    • Varies (with conditions) — Aggregate of township/rural and village zoning within Putnam County; the county does not administer each local ordinance.
      “Zoning Regulations – Townships/Rural: Township Zoning Officer; Twp. Zoning Contacts (Note: Blanchard & Sugar Creek Townships do not have zoning regulations) Zoning Regulations – within Village limits: Village Officials; Village Contact Page 26.1”
    • Varies (with conditions) — Countywide aggregate of township zoning; the county packet identifies zoned and unzoned townships rather than a single county-administered zoning rule.
      “Zoning regulations: 12 out of 15 townships are zoned (see contact sheet). If your township is zoned, check with the zoning inspector for any setbacks, for the minimum acreage for a lot and any other valuable information.”
    • Varies (with conditions) — Local zoning across Putnam County, including rural townships and village jurisdictions
      “Zoning Regulations – Townships/Rural: Township Zoning Officer; Twp. Zoning Contacts (Note: Blanchard & Sugar Creek Townships do not have zoning regulations) Zoning Regulations – within Village limits: Village Officials; Village Contact Page 26.1”
    • Varies (with conditions) — Aggregate local zoning across Putnam County townships and villages; the county-level claim summarizes rules administered by those local authorities.
      “Zoning regulations: 12 out of 15 townships are zoned (see contact sheet). If your township is zoned, check with the zoning inspector for any setbacks, for the minimum acreage for a lot and any other valuable information.”
  • Zoning districtsPartial

    Township zoning-district information summarized by the county packet.

    • The packet identifies A-1 and R-1 in the Ottawa, Palmer, Perry, and Union summaries but is not a complete set of township zoning maps or ordinances.
    • The packet identifies twelve zoned townships and three unzoned townships.
    “1 acre minimum, 2 acres if a pond is planned for A-1 districts - 1 acre minimum in a R-1 district”
    One more reviewed finding on this topic
    • Partial — Township zoning districts identified in official Putnam County building materials.
      “1 acre minimum in a R-1 district [...] 1 acre minimum in an A-1 district [...] 2 acre minimum if a pond is planned in a A-1 district”
  • Minimum lot sizeDistrict specific (with conditions)

    New lots in Putnam County; township and district controls vary.

    • Most townships require one acre; ponds must be additional to the acre.
    • Jackson and Van Buren require two-acre minimums.
    • Septic requirements may increase minimum lot size.

    most-township minimum lot size: >= 1 acre (ponds must be additional to the acre) · Jackson and Van Buren minimum lot size: >= 2 acres

    “Most townships require a minimum lot size of 1 acre. Ponds must be additional to the acre. Jackson and Van Buren require 2 acre minimums. Septic requirements may cause an increase in minimum lot size”
    One more reviewed finding on this topic
    • District specific (with conditions) — Township zoning districts identified in the Putnam County building-process packet.
      “Most townships require a minimum lot size of 1 acre. [...] Ponds must be additional to the acre. [...] Jackson and Van Buren require 2 acre minimums.”
  • Who permits septicCounty (with conditions)

    Household sewage treatment systems in Putnam County.

    • Installation or alteration requires a permit from the Putnam County Health Department.
    • Operation permits and maintenance requirements also apply.
    “If you are planning on building, contact Putnam County Health Department to begin the process of obtaining a permit for your household sewage treatment system.”
    One more reviewed finding on this topic
    • Mixed (with conditions) — Household sewage treatment systems in Putnam County.
      “The Ohio Department of Health (ODH) regulates sewage treatment systems across the state through statutory authority established under Ohio Revised Code (ORC) Chapter 3718 and Ohio Administrative Code Chapter 3701-29 which was updated and became effective on January 1, 2015. Permitting, inspections and enforcement are conducted by the local health departments and local health departments may adopt more stringent rules and standards.”
  • Septic permitRequired

    Installation or alteration of a household sewage treatment system in Putnam County.

    • No individual or contractor may install or alter a sewage treatment system without a permit.
    • Alteration includes connecting to an existing sewage treatment system and replacing a septic tank.
    • Before permit issuance, all buildable lots must have a site evaluation; some require a soil evaluation by a certified soil scientist.
    “No individual or contractor may install or alter a sewage treatment system without a permit. An alteration includes, but is not limited to, connecting to an existing sewage treatment system and replacing a septic tank.”
    One more reviewed finding on this topic
    • Required — Installation or alteration of a sewage treatment system in Putnam County.
      “No individual or contractor may install or alter a sewage treatment system without a permit. An alteration includes, but is not limited to, connecting to an existing sewage treatment system and replacing a septic tank.”
  • Septic inspectionRequired

    Existing household sewage treatment systems during each five-year operation-permit cycle.

    • A pumping report may be accepted instead of an evaluation.
    • The evaluation or pumping need not precede the operation-permit application, renewal application, and fee.
    • Mandatory septic-tank pumping applies at least once every ten years.

    evaluation cycle: per 5 years (pumping report may be accepted in lieu of evaluation) · mandatory pumping interval: <= 10 years

    “Evaluation of the STS once every 5-year permit cycle. A pumping report may be accepted in lieu of evaluation.”
    One more reviewed finding on this topic
    • Required — Household sewage treatment systems in Putnam County
      “Evaluation of the STS once every 5-year permit cycle. A pumping report may be accepted in lieu of evaluation.”
  • Off-grid sanitationAllowed (with conditions)

    On-site household sewage treatment systems in Putnam County.

    • The system may not be installed or altered without a permit.
    • System operation also requires an operation permit and maintenance compliance.
    “Are you getting ready to build a home that will not be connected to municipal water and/or sewer? The health department should be involved from the beginning.”
  • Well permitRequired

    Private water systems and drinking-water wells in Putnam County.

    • All private water systems used for drinking water require a health-department permit.
    • Connecting an existing well to a new dwelling requires an alteration permit.
    “All private water systems being used for drinking water (this includes new wells, existing wells being connected to new dwellings, and ponds) must have a permit through the health department.”
    2 more reviewed findings on this topic
    • Required — Private drinking-water systems, including new wells, existing wells connected to new dwellings, and ponds.
      “All private water systems being used for drinking water (this includes new wells, existing wells being connected to new dwellings, and ponds) must have a permit through the health department.”
    • Required — Private water systems used for drinking water in Putnam County, including new wells, existing wells connected to new dwellings, and drinking-water ponds
      “All private water systems being used for drinking water (this includes new wells, existing wells being connected to new dwellings, and ponds) must have a permit through the health department.”
  • Subdividing landRegulated (with conditions)

    Subdivision and lot-split development in Putnam County.

    • The Planning Commission enforces subdivision regulations.
    • New lots must meet Planning Commission requirements, including lot size and dimensions.
    “The main duties of the planning commission include enforcing the subdivision and floodplain regulations and assisting zoning officials.”
    One more reviewed finding on this topic
    • Limited — Lot splits of five acres or fewer in Putnam County.
      “Lot splits of 5 or fewer acres will need to go through the Putnam County Planning Commission (Nolan Croy, 419-523-8758).”
  • Driveway accessRequired

    New residential driveway access on Putnam County roads.

    • The county engineer's permit applies to work within the county-road right of way.
    • State-highway access is handled by ODOT and township-road access by township trustees.
    • The applicant must comply with county-engineer conditions, restrictions, regulations, and approved-profile requirements.
    • Ohio Utilities Protection Service must be notified at least two business days before installing pipe or excavating.

    utility notification lead time: >= 2 business days (before installing pipe or making excavation)

    “When a driveway is being installed off of a county road and/or if your yard is being enclosed a permit is required from the Engineer’s office.”
    2 more reviewed findings on this topic
    • Required — Driveways installed from county roads in Putnam County.
      “When a driveway is being installed off of a county road and/or if your yard is being enclosed a permit is required from the Engineer’s office.”
    • Limited — New driveway access in Putnam County.
      “On State Highways: ODOT’s Putnam Garage; 419-523-3750 On County Roads: Engineer’s Office; 419-523-6931 General Permit-includes driveway access On Township Roads: Township Trustees; 2026 Trustee Contact Info”
  • Building in a floodplainLimited

    Floodplain development in unincorporated Putnam County and village limits.

    • The Planning Commission administers floodplain matters in unincorporated areas.
    • Village officials administer floodplain matters within village limits.
    • The source identifies a floodplain application but does not state the complete development standards.
    “Floodplain Administration – unincorporated areas: Planning Commission, Nolan Croy; 419-523-8758 Floodplain Application Floodplain Administration – within village limits: Village Officials; Village Contact Page 26.1”
  • Permit feesVariable (with conditions)

    Township and village building-permit fees and related county permitting in Putnam County.

    • Fees vary by township and permit type.
    • The county packet lists examples including Greensburg at $50 for a dwelling and $65 for outbuildings, Jackson at $75, and Pleasant at $25 plus a $75 variance fee.
    • The packet states Van Buren Township has a $50 permit fee and up.

    Greensburg dwelling permit fee: 50 USD · Greensburg outbuilding permit fee: 65 USD · Pleasant Township variance fee: 75 USD

    “Greensburg: $50 permit dwelling/$65 for outbuildings”
    2 more reviewed findings on this topic
    • Published (with conditions) — Township zoning and building-related permit fees listed in the Putnam County building-process packet.
      “Jackson Twp: $75 permit fee [...] Pleasant Twp: $25 permit fee [...] $75 variance fee [...] Van Buren Twp:$50 permit fee and up”
    • Published (with conditions) — Published fees in the current county building-process packet.
      “Sewage Treatment System Permit: ($500- 2025 fee) [...] Private Water System Permit: ($425 – 2025 fee) [...] New Lots: ($40 fee)”
  • Permit processPartial

    County-published home-building process for new residential construction.

    • The process directs applicants to local village or township officials for building codes and regulations.
    • The guide includes local contact, health-department, address, survey, plat-signature, planning-commission, recording, and final local-code steps.
    • A 10-day process is stated for submitting the plat to receive the remaining signatures.

    plat signature process: 10 days

    “Submit plat to planning commission to receive the rest of the signatures. (10 day process) Have the plat transferred and recorded.”
    One more reviewed finding on this topic
    • Partial — New-home permit process involving the Putnam County Health Department and local township or village authorities.
      “Return Sewage Treatment System (STS) permit application to PCHD with all required documents [...] Return Private Water System (PWS) permit application to PCHD with all required documents [...] Permits issued by PCHD [...] Building permit requested, if applicable [...] Building permit issued by Township, if applicable”

Ohio rules that apply here

  • Owner-builder exemptionConditional

    Electrical and heating, ventilating, and air-conditioning work performed as contracting within an Ohio county; the statute authorizes, but does not itself impose, county licensing rules.

    • A board of county commissioners may adopt licensing rules by resolution for electrical and HVAC contractors not required to hold a valid and unexpired Chapter 4740 license.
    • County rules may be enforced in unincorporated areas and in municipalities that contract with the county for enforcement.
    • A county rule may require examinations, technical-skill demonstrations, fees, and additional licensing requirements.
    • A county board may accept a valid and unexpired Chapter 4740 license for construction, replacement, maintenance, or repair of one-, two-, or three-family dwellings or incidental accessory structures.
    • The statute does not establish a statewide owner-builder electrical or HVAC contractor-license exemption; county and municipal rules must be checked for the specific location.
    “Each board of county commissioners may adopt, by resolution, rules establishing standards and providing for the licensing of electrical and heating, ventilating, and air conditioning contractors who are not required to hold a valid and unexpired license pursuant to Chapter 4740. of the Revised Code.”
    2 more reviewed findings on this topic
    • Conditional — An owner-builder constructing, erecting, altering, or equipping a building covered by Ohio Revised Code section 3781.06, including residential buildings, where a certified municipal, township, or county building department has jurisdiction.
      “No owner shall proceed with the construction, erection, alteration, or equipment of any building until the plans or drawings, specifications, and data have been approved as this section requires, or the industrialized unit inspected at the point of origin.”
    • Conditional — An owner performing contractor-regulated construction, improvement, or renovation on the owner's own primary residential building in Ohio.
      “(F) "Construction project" means a construction project involving a building or structure subject to Chapter 3781. of the Revised Code and the rules adopted under that chapter, but not an industrialized unit or a residential building as defined in section 3781.06 of the Revised Code.”
  • Building code adoptedAdopted (with conditions)

    Buildings and classes of buildings regulated under Ohio Revised Code Chapter 3781, including residential and nonresidential buildings and industrialized units.

    • The Ohio Board of Building Standards formulates and adopts separate residential and nonresidential building codes.
    • Residential-code requirements are uniform in areas with a building department certified to enforce the state residential building code.
    • A local code or regulation may differ from the state residential building code only when it addresses subject matter not addressed by the state residential building code or is adopted pursuant to Ohio Revised Code section 3781.01.
    • Enforcement authority is exercised by certified municipal, township, and county building departments or other certified personnel as provided by law.
    “The board of building standards shall formulate and adopt rules governing the erection, construction, repair, alteration, and maintenance of all buildings or classes of buildings specified in section 3781.06 of the Revised Code, including land area incidental to those buildings, the construction of industrialized units, the installation of equipment, and the standards or requirements for materials used in connection with those buildings. The board shall incorporate those rules into separate residential and nonresidential building codes.”
    2 more reviewed findings on this topic
    • Adopted (with conditions) — Ohio residential construction, including Putnam County.
      “The state residential building code the board of building standards adopts pursuant to section 3781.10 of the Revised Code does not prevent a local governing authority from adopting additional regulations governing residential structures that do not conflict with the state residential building code if the procedures in division (C) of this section are followed.”
    • Adopted — Ohio's statewide residential and nonresidential building codes governing covered building construction, repair, alteration, and maintenance.
      “The board shall incorporate those rules into separate residential and nonresidential building codes.”
  • InspectionsRequired

    Building work subject to Ohio building-code enforcement after certificate of plan approval, and inspections initiated after complaints, accidents, or natural disasters.

    • Inspections are directed after a certificate of plan approval has been issued, or after a complaint, accident, or natural disaster.
    • The building official identifies special conditions affecting inspection timing and schedules inspection times mutually agreed upon by the building official and owner.
    • Special inspections required under section 1704 of rule 4101:1-1-01 are excepted from the stated scheduling rule.
    • Certified inspectors inspect work within the limits of their certification and the approved construction documents.
    “Once a certificate of plan approval has been issued in accordance with rule 4101:1-1-01 or 4101:8-1-01 of the Administrative Code, or upon receipt of a complaint or occurrence of an accident or natural disaster, the building official directs necessary inspections and investigations to determine whether the work which has been performed and the installations which have been made are in conformity with the approved construction documents.”
  • SetbacksDistrict specific (with conditions)

    Township zoning regulation of setback building lines for agricultural buildings or structures on lots greater than one acre but not greater than five acres in qualifying platted subdivisions or qualifying areas of fifteen or more contiguous lots.

    • The local regulation must arise under a township zoning resolution or amendment.
    • The subdivision or area must meet the statutory qualification in section 519.21(B).
    • The statute does not provide a statewide numeric setback distance.
    • Township zoning may not regulate agriculture, agricultural buildings or structures, or dairying and animal and poultry husbandry on lots greater than five acres under division (B).

    lot size lower threshold: > 1 acre · lot size upper threshold: <= 5 acres

    “not greater than five acres by: set back building lines;”
  • Building heightDistrict specific (with conditions)

    Township zoning regulation of height for agricultural buildings or structures on lots greater than one acre but not greater than five acres in qualifying platted subdivisions or qualifying areas of fifteen or more contiguous lots.

    • The local regulation must arise under a township zoning resolution or amendment.
    • The subdivision or area must meet the statutory qualification in section 519.21(B).
    • The statute does not provide a statewide numeric height limit.
    • Township zoning may not regulate agriculture, agricultural buildings or structures, or dairying and animal and poultry husbandry on lots greater than five acres under division (B).

    lot size lower threshold: > 1 acre · lot size upper threshold: <= 5 acres

    “Buildings or structures incident to the use of land for agricultural purposes [...] height;”
  • Manufactured homesLimited

    Occupancy of manufactured homes installed in Ohio and regulated under Chapter 4781 of the Revised Code and implementing rules.

    • A manufactured home generally may not be occupied until the inspector issues the inspection seal.
    • The inspection seal must be paid for when the permit is issued.
    • A temporary occupancy permit may provide the applicable exception under Rule 4781-7-01(C).
    • The home must meet Ohio manufactured-home installation standards; local ordinances and other regulations may also apply to site placement.
    “Except as provided in paragraph (C) of this rule, no manufactured home shall be occupied until the inspector has issued the inspection seal.”
    One more reviewed finding on this topic
    • Allowed (with conditions) — Permanently sited manufactured homes in Putnam County where single-family homes are permitted.
      “Every manufactured home that is constructed in accordance with the federal standards specified in division (A) of this section and is a permanently sited manufactured home as defined in division (C)(6) of section 3781.06 of the Revised Code shall be a permitted use in any district or zone in which a political subdivision permits single-family homes, and no political subdivision may prohibit or restrict the location of a permanently sited manufactured home in any zone or district in which a single-family home is permitted.”
  • Mandatory utility hookupSewer (with conditions)

    Disposal of sewage where an existing publicly owned or regional sanitary sewer is accessible and available.

    • The sewer connection may not conflict with an areawide waste-treatment plan, approved regional sewage-service and treatment plan, or connection ban.
    • The receiving disposal system must have or be expected to have capacity to collect and treat the sewage.
    • For an existing structure, any part of the structure generating waste must be within 300 feet of the nearest sanitary-sewer right-of-way boundary.
    • For a proposed structure outside a larger common plan, any lot property line must be within 300 feet.
    • For two or more proposed structures, the threshold is 200 feet multiplied by the number of proposed structures, up to 5,000 feet.
    • The director may grant an exemption when technical, financial, environmental, legal, or physical barriers prevent connection and the alternative will not adversely affect human health or the environment.
    • When a sewer later becomes accessible and available, a non-public or non-regional disposal system must generally be abandoned and connection made within three years unless the director authorizes another timeframe.

    existing structure sewer-distance threshold: <= 300 feet (Measured to the nearest boundary of the sanitary-sewer right-of-way.) · proposed structure sewer-distance threshold: <= 300 feet (Measured from any property line of the lot.) · multiple proposed structures threshold: 200 feet multiplied by the number of proposed structures (Maximum distance is 5,000 feet.) · connection deadline after accessibility becomes available: 3 years (Unless an alternative timeframe is authorized by the director.)

    “Connection into existing publicly owned or regional sanitary sewers is required for the disposal of sewage when said sewers are accessible and available.”
  • Agricultural exemptionConditional

    Buildings or structures incident to agricultural use of the land, and a specific building or structure declared by a county or township zoning inspector to be used in agriculture.

    • The exemption in section 3781.06 applies to buildings or structures incident to agricultural use of the land.
    • The buildings or structures must not be used in the business of retail trade.
    • A building or structure is not considered used in the business of retail trade if fifty per cent or more of gross income from sales of products in the building or structure comes from products produced or raised in a normal crop year on farms owned or operated by the seller.
    • Under section 3781.061, a county zoning inspector under section 303.16 or township zoning inspector under section 519.16 must issue a zoning certificate declaring the specific building or structure is to be used in agriculture for the additional exemption described there.
    • The cited section 3781.06 is effective January 1, 2025; section 3781.061 is effective October 17, 2019.

    retail-sales agricultural-product threshold: >= 50 percent of gross income (Products must be produced or raised in a normal crop year on farms owned or operated by the seller.)

    “issues a zoning certificate that declares a specific building or structure is to be used in agriculture, such building is not subject to sections”
    3 more reviewed findings on this topic
    • Conditional — Agricultural buildings or structures in Ohio, including Putnam County, when the required agricultural zoning certificate is issued.
      “Whenever a county zoning inspector under section 303.16 of the Revised Code, or a township zoning inspector under section 519.16 of the Revised Code, issues a zoning certificate that declares a specific building or structure is to be used in agriculture, such building is not subject to sections 3781.06 to 3781.20, 3781.40, or 3791.04 of the Revised Code.”
    • Available (with conditions) — Qualifying parcel divisions processed under rules adopted pursuant to Ohio Revised Code section 711.133.
      “Rules adopted under this section shall exempt from the approval requirements of this section parcels of land to be used only for agricultural”
    • Available (with conditions) — Buildings or structures incident to agricultural use of the land in Ohio.
      “incident to the use for agricultural purposes [...] provided those buildings or structures are not used in the business of retail trade.”
  • Campground & park staysLimited

    Roadside camping at designated Ohio state forests along public roads maintained by the division of forestry.

    • Permitted only at designated state forests, along public roads maintained by the division of forestry, during certain legally established hunting seasons.
    • The chief of the division of forestry must authorize the applicable season.
    • Only self-contained camping units meeting Rule 1501:3-3-04 are permitted unless restroom facilities are available.
    • Vehicles must be parked sufficiently far off the roadway not to present a hazard and may not block roads, trails, or gated access areas.
    • Other restrictions in Rule 1501:3-3-06 apply.
    “Roadside camping is permitted at designated state forests, along public roads maintained by the division of forestry, during certain legally established hunting seasons as authorized by the chief of the division of forestry.”
    2 more reviewed findings on this topic
    • Limited — Occupancy and placement of recreational vehicles in Ohio-licensed campgrounds and temporary campgrounds.
      “Recreational vehicles or portable camping units shall be parked only on sites that have been verified as complying with plans approved by the director, or in the case of a temporary campground, by the licensor;”
    • Prohibited — Camping in Ohio state forests outside areas, sites, or campgrounds designated by the chief of the division of forestry or an authorized agent.
      “No person shall camp in a state forest except in areas, sites or campgrounds designated by the chief of the division of forestry or authorized agent.”
  • county zoning authorityGeneral

    County commissioners may adopt zoning resolutions regulating building, structures, land uses, and districts or zones in unincorporated territory statewide.

    • The authority is exercised by resolution and must be in accordance with a comprehensive plan.
    • The authority applies to unincorporated territory of the county.
    • The statute begins with the exception phrase “Except as otherwise provided in this section,” so the limitations in ORC Chapter 303 apply.
    • For nonresidential property only, the county may regulate height, bulk, number of stories, size, lot coverage, yards, courts, open spaces, and population density.
    • Agricultural uses and agricultural buildings are subject to the limitations in ORC 303.21; the statute also contains limitations for public utilities, railroads, telecommunications towers, alcoholic-beverage sales, oil and gas drilling, and permanently sited manufactured homes.
    • Activities regulated under ORC Chapters 1513 and 1514 may be regulated only in the interest of public health or safety, and Chapter 1514 activities must be provided for as permitted or conditional uses as specified by ORC 303.02.
    “the board of county commissioners may regulate by resolution, in accordance with a comprehensive plan”
  • county building authorityGeneral

    County commissioners may adopt and enforce local residential building regulations in unincorporated areas and may operate certified county building departments that enforce state residential and nonresidential building codes, accept and approve plans, and conduct inspections.

    • Local residential building regulations may be enforced within the unincorporated area or within districts established in the unincorporated area.
    • A local residential building regulation may not differ from the state residential building code unless it addresses subject matter not addressed by that code or is adopted under ORC 3781.01.
    • An existing structures code must concern subject matter not addressed by, and may not conflict with, the state residential building code.
    • County building departments may enforce state codes only for the types of buildings and subject matters for which they are certified.
    • Certification permits enforcement authority, plan approval, and inspections; the certification application identifies whether it covers residential or nonresidential buildings and whether residential certification covers new construction only or also repair and alteration.
    • The board may adopt flood-hazard, Lake Erie coastal-erosion, and drainage regulations, subject to the statutory limits and exceptions in ORC 307.37.
    • Local regulations, codes, or amendments require public hearings at not fewer than two regular or special board sessions; they take effect on the thirty-first day after adoption.
    • Regulations adopted under ORC 307.37 generally do not affect buildings or structures existing, or under construction, before adoption, except as provided for an existing structures code.
    • The state residential building code is effective as a uniform requirement in areas with a building department certified to enforce it.
    “The board of county commissioners may adopt local residential building regulations governing residential buildings as defined in section 3781.06 of the Revised Code”
    One more reviewed finding on this topic
    • General — Ohio boards of county commissioners adopting and enforcing local residential building regulations in unincorporated county areas, including districts established within those areas, and administering state building codes when certified.
      “The board of county commissioners may adopt local residential building regulations governing residential buildings”

Inside cities and towns in Putnam County

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

  • Minimum dwelling sizeSpecified

    Mobile homes in Jennings Township, Putnam County, Ohio.

    • A $25 permit fee is listed.
    • A 1-acre minimum applies, with depth no more than three times width.
    • If there is a pond, the minimum is 1 acre plus pond area.
    • A pond requires a permit.
    • A building permit is required.
    • Connection to road tiles is not allowed.
    • The source labels the document 'Effective 6-19' and 'Updated 5-19'; no clearer adoption date was located.

    minimum dwelling size: >= 1100 sq ft (mobile homes only)

    “Jennings Twp: $25 permit fee - 1 acre minimum & depth no more than 3x the width - If there’s a pond, 1 acre + pond area minimum - Pond requires a permit - Building permit required - No connection to road tiles - Minimum 1100 sq ft for mobile homes”
  • Minimum lot sizeSpecified

    Residential zoning districts in Ottawa Township.

    • The packet states 1 acre minimum and 2 acres if a pond is planned for A-1 districts.
    • The packet states 1 acre minimum in an R-1 district.
    • The packet is labeled Updated 5-19 and Effective 6-19; no year is stated.

    minimum lot area: >= 1 acre (A-1 district: 2 acres if a pond is planned) · minimum lot area: >= 2 acre (A-1 district when a pond is planned)

    “Ottawa Twp: $50 permit fee - 1 acre minimum, 2 acres if a pond is planned for A-1 districts - 1 acre minimum in a R-1 district”
    One more reviewed finding on this topic
    • Specified — Residential zoning districts in Palmer Township.
      “1 acre minimum in a R-1 district - 1 acre minimum in an A-1 district - 2 acre minimum if a pond is planned in a A-1 district”
  • SetbacksSpecified

    Residential zoning requirements in Greensburg Township.

    • The packet specifies the setback from road center.
    • The packet is labeled Updated 5-19 and Effective 6-19; no year is stated.

    setback from road center: 60 feet

    “Greensburg: $50 permit dwelling/$65 for outbuildings - 1 acre minimum - If there’s a pond, 1 acre + pond area minimum - 60 foot setback from road center - No connection to road tiles”
  • Manufactured homesProhibited

    Mobile homes, trailers, or trailer coaches in Palmer Township.

    • The packet states the prohibition date as Aug. 25, 2005.
    • This claim is limited to Palmer Township and does not establish a countywide rule.
    “Palmer Twp: $50 permit fee - Mobile homes, trailers, or trailer coaches are - not permitted, Aug. 25, 2005”
  • Permit feesPublished (with conditions)

    Township zoning permit fees in Jackson Township.

    • The packet lists a $75 permit fee.
    • The packet is labeled Updated 5-19 and Effective 6-19; no year is stated.

    permit fee: 75 USD

    “Jackson Twp: $75 permit fee - Building permit required - 2 acre minimum - No connection to road tiles for sewage drainage or sump pumps”

Set by your township or city, not the county

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

  • Lot coverage
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Accessory dwellings
  • Short-term rentals

Still unanswered

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

  • Certificate of occupancy — Certificates of occupancy for residential construction.

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 Putnam County, Ohio

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

Putnam County scores 43/100 on the Bolthole Index, a marginal county profile. Its strengths: a durable current and mid-century hazard profile and manageable long-term carry cost. Watch-outs: about 95,651 people within a 30-minute drive and workable self-sufficiency basics (37.5″/yr rainfall).

Do you need a building permit in Putnam County, Ohio?

Putnam 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 Putnam County Health Department, Environmental Health Division. 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 Putnam County, Ohio?

Land in Putnam County runs about $8,403 per acre, based on the latest county data.

What is the water situation in Putnam County?

Putnam County gets about 37.5" of rain a year, with severe drought in roughly 1.1% of years.

How remote is Putnam County?

A representative private-land location has about 95,651 people within a 30-minute drive and 5,884,844 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 Putnam compares in Ohio

Compare side-by-side →See all 88 Ohio counties ranked →