County permits

Big Horn County

Big Horn County issues permits only for unincorporated areas. Inside an incorporated city? Pick the city below — its building department handles your permit.

§ 01 Unincorporated

Unincorporated Big Horn County.

If your property isn't inside an incorporated city, the county permit office handles your application directly.

Permit authority: Crow Tribe of Montana
Website: Permit authority website ↗
Phone: (406) 638-1447
Address: P.O. Box 159, 43 Heritage Lane, Crow Agency, Montana 59022

Full unincorporated Big Horn County permit guide →

§ 02 Jurisdictions

Cities in Big Horn County

Click any city for its full permit guide — authority, fees, application steps, inspections, and exempt work.

§ 03 County navigation

Information last verified for Big Horn 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.