County Building Permits
Cascade County, MT - 2026 Building Permit Guide
Building permit information for unincorporated Cascade County and all incorporated cities. Find your jurisdiction's permit authority, application process, fees, and requirements.
Important: Cascade 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 Cascade County
- Permit authority
- Cascade County Planning and GIS Department (for zoning); Montana Department of Labor and Industry, Building Codes Program (for building codes)
- Website
- Planning Department Forms
- Online portal
- Planning Department Forms
- Phone
- 406-454-6905
- Address
- 121 4th Street N, Suite 2H/I, Great Falls, MT 59401
Jurisdictions in Cascade 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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