§ MT Montana
County permits
Richland County
Richland County issues permits only for unincorporated areas. Inside an incorporated city? Pick the city below — its building department handles your permit.
§ 01 Unincorporated
Unincorporated Richland County.
If your property isn't inside an incorporated city, the county permit office handles your application directly.
- Permit authority
- Richland County Building Department
- Online portal
- Building Permit Application Forms ↗
- Phone
- (406) 433-2809
- Address
- 1105 3rd Street NW, Sidney, MT 59270
§ 02 Jurisdictions
Cities in Richland County
Click any city for its full permit guide — authority, fees, application steps, inspections, and exempt work.
§ 03 County navigation
Information last verified for Richland County, Montana. Permit rules and fees change frequently — verify current requirements with the issuing department before applying. Jaspector is an educational reference, not legal advice.