Hancock County, Ohio has no countywide residential building permit or zoning code: local requirements depend on the township or village, while construction where no zoning applies is reported to the County Auditor12. Hancock Public Health permits residential septic systems and private wells34. County right-of-way access and flood-hazard development require separate county permits56.
At a glance
- Building permit
- Only where a township or village enforces zoning; unzoned land reports new construction to the County Auditor instead1
- Zoning
- No countywide zoning; depends on the township or village (Washington Township runs its own)27
- Septic permit authority
- Hancock Public Health; site evaluation, soil evaluation and design review come before permit issuance38
- Septic soil difficulty
- Only 0.2% of soils rate free of severe limits for a conventional drain field9
- Private well permit
- Required from the Board of Health before construction, alteration or sealing; permitted work is inspected410
- Minor subdivision (lots under 5 acres)
- Needs county approval through the Regional Planning Commission117
- RV or tiny home on your own land
- No countywide rule; governed by whichever township or village zoning covers the parcel, if any2
Who to call
Septic permits
Hancock Public Health - Environmental and Plumbing Division
Septic (sewage disposal) permits, inspections and installer/hauler registrations, plus private water well permits, for Hancock County
Planning & zoning
Hancock Regional Planning Commission
Minor subdivision/lot-split approval for parcels under 5 acres, new rural addressing, and zoning-inspector service for townships that enforce zoning, such as Washington Township
318 Dorney Plaza, Room 304, Findlay, OH 45840
Roads & driveways
Driveway/access permits onto county and township roads, plus county road and bridge maintenance
1900 Lima Avenue, Findlay, OH 45840
Roads & driveways
Ohio Department of Transportation (ODOT) - Findlay garage
Driveway/access permits where a driveway will connect to a state route in Hancock County, instead of the county engineer
1645 Lima Ave., Findlay, OH
Floodplain permits
Hancock County special flood hazard area development permit (unincorporated areas)
Development permits inside mapped flood hazard areas of unincorporated Hancock County; the application and regulations are posted through the County Engineer's permits page
Property records
Property records and valuation; where no zoning or building permit applies, new construction is reported here instead
300 South Main Street, Findlay, OH 45840
Contact details are copied from each office’s official page and were checked against it on September 29, 2026.
Do you need a building permit in Hancock County, Ohio?
Hancock County itself does not operate a county residential building department1. For a home, the practical permit question depends on the township or village: where a local zoning official enforces zoning, obtain the local permit; where no zoning applies, Hancock County's guidance says to report the construction to the County Auditor1. Washington Township is one confirmed locally zoned jurisdiction7. Hancock County has not confirmed a general residential inspection or certificate-of-occupancy rule, so ask the zoning official serving the parcel what inspections and closeout documents apply. An agricultural structure may qualify for the Ohio building-code exemption when the county or township zoning inspector issues a certificate declaring that specific structure agricultural, but that does not waive health, septic, access, or other land-use requirements12. Hancock County has not confirmed a separate owner-builder exemption13.
Who handles permits in Hancock County, and how do you reach them?
The Hancock Regional Planning Commission is the first call for township zoning questions, rural addresses, and minor lot splits; Ohio's subdivision definition generally reaches a division when a resulting parcel is under 5 acres711. Hancock Public Health's Environmental and Plumbing Division permits residential septic systems and private wells3414. The Hancock County Engineer publishes driveway, floodplain, roadside-ditch, and utility permit forms15. A driveway or ditch project within county right-of-way needs the Engineer's approval before work begins5. Access to a state route goes through ODOT's Findlay garage instead16. Development in an identified flood hazard area in unincorporated Hancock County needs a floodplain permit6.
Does Hancock County have zoning?
Hancock County has no countywide zoning code of its own2. Ohio law does let county commissioners adopt zoning by resolution for unincorporated territory, but Hancock County has left that job to individual townships and villages instead17. Washington Township is a confirmed example: it maintains its own zoning resolution and periodically amends it, most recently over its Industrial districts7. Other townships and villages may or may not currently enforce zoning, and whether a given parcel is zoned changes what's allowed for setbacks, minimum home size, and accessory structures there, so confirm the specific township before you buy2. Never assume a Hancock County parcel is unrestricted just because the county has no zoning code; check with the township or village trustees, or with the Regional Planning Commission, for the parcel in question7.
How do septic and well permits work in Hancock County?
Hancock Public Health permits residential sewage-system construction, replacement, and alteration38. The published sequence is site evaluation, soil evaluation, design review, then permit issuance8. That early review matters because only 0.2% of Hancock County soils rate free of severe limits for a conventional drain field; use the evaluation to learn what system design the site can actually support9. Ohio also requires inspection of a new, replacement, or altered system during installation and another check no later than 12 months after installation approval18. A property-transfer septic inspection is different: Hancock Public Health does not require one solely because land is being sold, though a lender may require it, and any identified corrections remain necessary even if the sale fails19. Private wells go through the same health office and require a permit before construction, alteration, or sealing, subject to stated exceptions; the Board of Health inspects the permitted work410.
Can you live in an RV or tiny home on your land in Hancock County?
There is no confirmed countywide answer to this in Hancock County, because it comes down to whether the specific township or village has zoning and what that zoning resolution allows for RVs, manufactured homes, and accessory dwellings2. Ohio's state recreational-vehicle rules only govern licensed and temporary campgrounds - things like site size and how many RVs a campground site may hold - and don't address parking or living in an RV on your own private land, so they can't answer this question either way20. If you place a manufactured home instead, Ohio law requires an inspector to issue an inspection seal before anyone occupies it, on top of whatever the local zoning inspector requires21. Because the rule depends on the township, call the Regional Planning Commission or the township trustees for the specific parcel before you buy or move a unit onto it7.
Building a home in Hancock County: the steps, in order
- Ask the Hancock Regional Planning Commission which township or village controls zoning for the parcel and what local approval applies7.
- If a land division creates a parcel under 5 acres, take the lot split to the Regional Planning Commission before building117.
- Start Hancock Public Health's septic sequence: site evaluation, soil evaluation, design review, and permit issuance8.
- Apply to the Board of Health for a private-well permit before drilling or altering the system; the permitted work will be inspected410.
- Obtain Hancock County Engineer approval before driveway or ditch work in county right-of-way, or contact ODOT for access to a state route516.
- Obtain the township or village permit where local zoning applies; otherwise report new construction to the Hancock County Auditor1.
- Before developing an identified flood hazard area in unincorporated Hancock County, obtain the county floodplain permit6.
What to check before you buy land in Hancock County
Start with parcel jurisdiction, sewage, water, access, and flood exposure. Confirm the township or village and its zoning before relying on Hancock County's lack of countywide zoning2. Begin the septic site and soil evaluations early because only 0.2% of Hancock County soils rate free of severe limits for a conventional drain field89. Confirm that a private well can be permitted and inspected, or ask the utility serving the address about public water410. Identify who owns the road: county right-of-way work needs Engineer approval, while state-route access goes to ODOT516. Check the flood map because development in an identified flood hazard area in unincorporated Hancock County requires a permit6. For budgeting, farmland averages about $8,296 an acre, the typical home value is about $243,529, and the median annual property-tax bill is about $1,966222324.
Watch-outs
- Hancock County's building-permit guidance is older, so confirm the current township or village procedure with the Hancock Regional Planning Commission before filing17.
- Zoning in Hancock County is decided township by township; Washington Township is confirmed to enforce its own zoning resolution, but coverage for the rest of the county's townships and villages was not individually confirmed, so call the Regional Planning Commission for your specific parcel7.
Sources
- Hancock County, OH - Preparing to Build in Hancock County (2026 county census)
- Hancock County, OH - Preparing to Build in Hancock County (2026 county census)
- Sewage, quoted and re-checked
- Rule 3701-28-03 | Permits, system approval and sampling requirements, quoted and re-checked
- Frequently Asked Questions, quoted and re-checked
- Frequently Asked Questions, quoted and re-checked
- Hancock Regional Planning Commission (hancockrpc.org)
- Sewage, quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- Rule 3701-28-04 | Inspection; water sample collection and analysis and water quality standards, quoted and re-checked
- Section 711.001 | Plat definitions (Ohio statewide rule), quoted and re-checked
- Section 3781.061 | Exemption for building or structure used in agriculture, quoted and re-checked
- (2026 county census)
- Hancock Public Health - Environmental and Plumbing Division (hancockph.com)
- Permits, quoted and re-checked
- Ohio Department of Transportation (ODOT) - Findlay garage (co.hancock.oh.us)
- Section 303.02 | County commissioners may regulate building and land use in unincorporated territory (Ohio statewide rule), quoted and re-checked
- Rule 3701-29-09 | Site review and permits for STS installation and operation (Ohio statewide rule), quoted and re-checked
- Sewage, quoted and re-checked
- Rule 3701-26-04 | Campground requirements (Ohio statewide rule), quoted and re-checked
- Chapter 4781-7 | Manufactured home inspections (Ohio statewide rule), quoted and re-checked
- Farmland value per acre (USDA census): Bolthole Index county data
- Typical home value (Zillow): Bolthole Index county data
- Median property tax bill: Bolthole Index county data
Written September 29, 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.