Montana Building Permits by Jurisdiction
Statewide code adopted by the Dept. of Labor & Industry Building Codes Program; 2021 I-codes effective June 11, 2022; enforced by state or certified local building programs.
Jurisdiction-by-jurisdiction verification is in progress — pages marked “being verified” show the statewide baseline until confirmed locally.
Cities (12)
Anaconda · Deer Lodge Co.Belgrade · Gallatin Co.Billings · Yellowstone Co.Bozeman · Gallatin Co.Butte · Silver Bow Co.Great Falls · Cascade Co.Havre · Hill Co.Helena · Lewis and Clark Co.Kalispell · Flathead Co.Livingston · Park Co.Miles City · Custer Co.Missoula · Missoula Co.