§ OH Ohio
County permits
Fairfield County
Fairfield County issues permits only for unincorporated areas. Inside an incorporated city? Pick the city below — its building department handles your permit.
§ 01 Unincorporated
Unincorporated Fairfield County.
If your property isn't inside an incorporated city, the county permit office handles your application directly.
- Permit authority
- Fairfield County Building Department
- Online portal
- Fairfield County Building Department ↗
- Phone
- 740-652-7130
- Address
- 138 West Chestnut Street, Lancaster, OH 43130
§ 02 Jurisdictions
Cities in Fairfield County
Click any city for its full permit guide — authority, fees, application steps, inspections, and exempt work.
§ 03 County navigation
Information last verified for Fairfield County, Ohio. Permit rules and fees change frequently — verify current requirements with the issuing department before applying. Jaspector is an educational reference, not legal advice.