Montana Building Code and Licensing Information
Updated: Jan. 13, 2023
Montana Building Code Agency:
Building Codes Bureau
Department of Labor & Industry
301 So. Park
PO Box 200517
Helena, MT 59620
(406) 841-2053
According to the ICC, “Construction regulation codes are adopted by the Bureau of Building and Standards within the Department of Labor and Industry except for the fire code which is adopted by the Montana State Fire Marshal which is housed within the Department of Justice (Attorney General’s Office). Montana statute 50-60-202 provides wide authority to the bureau to adopt any nationally recognized building code or standard except for the authority held by the State Fire Marshal in statute 50-3-102 (2) to adopt by rule a state fire prevention code.”
- 2018 International Building Code (IBC) – Effective: December 7, 2019
- 2018 International Residential Code (IRC) – Effective: December 7, 2019
- 2018 International Fire Code (IFC)
- 2018 International Mechanical Code – Effective: December 7, 2019
- 2018 International Existing Building Code (IEBC) – Effective: December 7, 2019
- 2018 International Fuel Gas Code (IFGC) – Effective: December 7, 2019
- 2018 International Energy Conservation Code (IECC)
- 2018 International Swimming Pool and Spa Code – Effective: December 7, 2019
- 2018 International Wildland Interface Code (IWUIC)
- 2020 National Electric Code (NEC) – Effective June 10, 2022
- State Energy Code 2018 IECC and 90.1-2016
- National Fire Protection Association (NFPA) 101 Life Safety Code 2012
Additional Building Codes by State
State Licensing:
| State Website | https://mt.gov/ | |
| State Licensing | Businesses must register with the Secretary of State. No state license is required for general contracting. Licensure is required for plumbing, electrical, and crane operating trades. | |
| State Licensing Division | https://bsd.dli.mt.gov/ | |
| State Fire Marshall | https://dojmt.gov/enforcement/investigations-bureau/fire-prevention/ | |
| State Environmental Permit | https://deq.mt.gov/ |
Additional Building Codes by State
Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming