State directory · MT · West
Montana building departments
This Montana directory covers 56 Census county equivalents and local building-department guides. Montana projects commonly require local permit research, with state-level requirements or agencies applying to specific building types, energy, or public work.
How permitting works in Montana
Local administration with state program overlays. A county name is a geographic index, not a promise that the county government issues every building permit. Many projects are handled by a city, town, township, borough, parish, regional office, or independent city.
Source-backed state research
Montana Department of Labor and Industry, Building Codes Program
Montana’s Building Codes Program establishes and enforces a uniform state building code, issues state permits, and performs inspections. Certified cities, counties, and towns may administer approved local programs, so the responsible inspector and permit path must be confirmed for the property.
Read the official state source ↗Researched local guides
Available department pages
Billings · Yellowstone County
City of Billings Building Division
Permits, inspections, zoning, and official contact information.
Bozeman · Gallatin County
City of Bozeman Community Development Building Division
Permits, inspections, zoning, and official contact information.
Butte-Silver Bow · Silver Bow County
Butte-Silver Bow Building and Code Enforcement Office
Permits, inspections, zoning, and official contact information.
Gallatin County · Gallatin County
Gallatin County Planning and Community Development
Permits, inspections, zoning, and official contact information.
Great Falls · Cascade County
City of Great Falls Building and Planning Division
Permits, inspections, zoning, and official contact information.
Helena · Lewis and Clark County
City of Helena Building Division
Permits, inspections, zoning, and official contact information.
Kalispell · Flathead County
City of Kalispell Building Department
Permits, inspections, zoning, and official contact information.
Missoula · Missoula County
City of Missoula Development Services Building Division
Permits, inspections, zoning, and official contact information.
Geographic coverage