§ WY Wyoming
County permits
Natrona County
Natrona County issues permits only for unincorporated areas. Inside an incorporated city? Pick the city below — its building department handles your permit.
§ 01 Unincorporated
Unincorporated Natrona County.
If your property isn't inside an incorporated city, the county permit office handles your application directly.
- Permit authority
- Natrona County Building Department
- Online portal
- OpenGov Permitting and Licensing ↗
- Phone
- (307) 235-9435
- Address
- 200 N. Center Street, Room 205, Casper, WY 82601
§ 02 Jurisdictions
Cities in Natrona County
Click any city for its full permit guide — authority, fees, application steps, inspections, and exempt work.
§ 03 County navigation
Information last verified for Natrona County, Wyoming. Permit rules and fees change frequently — verify current requirements with the issuing department before applying. Jaspector is an educational reference, not legal advice.