§ IL Illinois
County permits
Rock Island County
Rock Island County issues permits only for unincorporated areas. Inside an incorporated city? Pick the city below — its building department handles your permit.
§ 01 Unincorporated
Unincorporated Rock Island County.
If your property isn't inside an incorporated city, the county permit office handles your application directly.
- Permit authority
- Rock Island County Zoning and Building Safety Department
- Website
- County Downloads ↗
- Online portal
- County Downloads ↗
- Phone
- 309-558-3771
- gthorpe@ricountyil.gov
- Address
- 1504 Third Avenue, Room 305, Rock Island, IL 61201
§ 02 Jurisdictions
Cities in Rock Island County
Click any city for its full permit guide — authority, fees, application steps, inspections, and exempt work.
§ 03 County navigation
Information last verified for Rock Island 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.