State Building Permits
Montana - 2026 Building Permit Guide
Permit authority, application process, fees, and requirements for every county and city in Montana. Select your county to find your local permit guide.
56 Counties 233 Jurisdictions Updated March 2026
Montana Counties
Beaverhead County 3 jurisdictions → Big Horn County 4 jurisdictions → Blaine County 4 jurisdictions → Broadwater County 8 jurisdictions → Carbon County 6 jurisdictions → Carter County 2 jurisdictions → Cascade County 5 jurisdictions → Chouteau County 5 jurisdictions → Custer County 3 jurisdictions → Daniels County 3 jurisdictions → Dawson County 3 jurisdictions → Deer Lodge County 2 jurisdictions → Fallon County 3 jurisdictions → Fergus County 6 jurisdictions → Flathead County 6 jurisdictions → Gallatin County 7 jurisdictions → Garfield County 2 jurisdictions → Glacier County 5 jurisdictions → Golden Valley County 3 jurisdictions → Granite County 4 jurisdictions → Hill County 6 jurisdictions → Jefferson County 4 jurisdictions → Judith Basin County 4 jurisdictions → Lake County 5 jurisdictions → Lewis and Clark County 3 jurisdictions → Liberty County 6 jurisdictions → Lincoln County 5 jurisdictions → Madison County 5 jurisdictions → McCone County 4 jurisdictions → Meagher County 2 jurisdictions → Mineral County 3 jurisdictions → Missoula County 2 jurisdictions → Musselshell County 3 jurisdictions → Park County 3 jurisdictions → Petroleum County 2 jurisdictions → Phillips County 5 jurisdictions → Pondera County 7 jurisdictions → Powder River County 2 jurisdictions → Powell County 2 jurisdictions → Prairie County 2 jurisdictions → Ravalli County 6 jurisdictions → Richland County 6 jurisdictions → Roosevelt County 6 jurisdictions → Rosebud County 4 jurisdictions → Sanders County 4 jurisdictions → Sheridan County 7 jurisdictions → Silver Bow County 3 jurisdictions → Stillwater County 8 jurisdictions → Sweet Grass County 2 jurisdictions → Teton County 4 jurisdictions → Toole County 4 jurisdictions → Treasure County 5 jurisdictions → Valley County 6 jurisdictions → Wheatland County 3 jurisdictions → Wibaux County 2 jurisdictions → Yellowstone County 4 jurisdictions →
Related Montana Resources
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with your local building department before applying.
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This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from your local permit authority. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.