County Building Permits
Powder River County, MT - 2026 Building Permit Guide
Building permit information for unincorporated Powder River County and all incorporated cities. Find your jurisdiction's permit authority, application process, fees, and requirements.
Important: Powder River County issues building permits only for properties in unincorporated areas of the county. If your property is inside an incorporated city, select your city below — that city's building department handles your permits, not the county.
Unincorporated Powder River County
- Permit authority
- Montana Department of Labor & Industry – Building Codes Program
- Website
- EBIZ.MT.GOV Online Portal
- Online portal
- EBIZ.MT.GOV Online Portal
- Phone
- (406) 841-2056
- BUILDINGCODES@MT.GOV
- Address
- P.O. Box 200517, Helena, MT 59602
Jurisdictions in Powder River County
Select your jurisdiction for local permit authority, portal links, application steps, fees, and inspection requirements.
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the relevant city or county department before applying.
Related Montana Resources
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