§ IL Illinois
County permits
Hancock County
Hancock County issues permits only for unincorporated areas. Inside an incorporated city? Pick the city below — its building department handles your permit.
§ 01 Unincorporated
Unincorporated Hancock County.
If your property isn't inside an incorporated city, the county permit office handles your application directly.
- Permit authority
- County Engineer
- Website
- Permit authority website ↗
- Phone
- 217-357-3155
- Address
- Hancock County Highway Dept, 101 S. 1st Street, PO Box 379, Carthage, IL 62321
§ 02 Jurisdictions
Cities in Hancock County
Click any city for its full permit guide — authority, fees, application steps, inspections, and exempt work.
§ 03 County navigation
Information last verified for Hancock County, Illinois. Permit rules and fees change frequently — verify current requirements with the issuing department before applying. Jaspector is an educational reference, not legal advice.