§ MO Missouri
County permits
St Clair County
St Clair County issues permits only for unincorporated areas. Inside an incorporated city? Pick the city below — its building department handles your permit.
§ 01 Unincorporated
Unincorporated St Clair County.
If your property isn't inside an incorporated city, the county permit office handles your application directly.
- Permit authority
- St. Clair County Commissioners / County Courthouse
- Website
- None found publicly ↗
- Online portal
- None found publicly ↗
- Phone
- 417-646-8003
- Not publicly posted
- Address
- 655 2nd St., P.O. Box 525, Osceola, MO 64776
§ 02 Jurisdictions
Cities in St Clair County
Click any city for its full permit guide — authority, fees, application steps, inspections, and exempt work.
§ 03 County navigation
Information last verified for St Clair County, Missouri. Permit rules and fees change frequently — verify current requirements with the issuing department before applying. Jaspector is an educational reference, not legal advice.