§ MO Missouri
County permits
Oregon County
Oregon County issues permits only for unincorporated areas. Inside an incorporated city? Pick the city below — its building department handles your permit.
§ 01 Unincorporated
Unincorporated Oregon County.
If your property isn't inside an incorporated city, the county permit office handles your application directly.
- Permit authority
- No countywide building permit department publicly identified
- Website
- None found ↗
- Online portal
- None found ↗
- Phone
- (417) 778-7475
- Address
- Oregon County Courthouse, PO Box 324, Alton, MO 65606
§ 02 Jurisdictions
Cities in Oregon County
Click any city for its full permit guide — authority, fees, application steps, inspections, and exempt work.
§ 03 County navigation
Information last verified for Oregon 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.