Montana Building Code

Montana Building Code and Licensing Information

Updated: 5/21/21

Montana Building Code Agency:

Building Codes Bureau
Department of Labor & Industry
301 So. Park
PO Box 200517
Helena, MT 59620
(406) 841-2053

Notes: The State of Montana has adopted All of the codes listed below.  Amended and adopted by Administrative Rules of Montana (ARM) Title 24, Chapter 301

  • International Building Code, 2018 Edition – Effective: December 7, 2019
  • International Residential Code, 2018 Edition – Effective: December 7, 2019
  • International Existing Building Code, 2018 Edition – Effective: December 7, 2019
  • ICC A117.1 – Accessibility, 2009 Edition – Effective: November 6, 2014
  • Uniform Plumbing Code, 2018 Edition – Effective: December 7, 2019
  • International Mechanical Code, 2018 Edition – Effective: December 7, 2019
  • International Fuel Gas Code, 2018 Edition – Effective: December 7, 2019
  • NFPA 99c, Standard on Gas and Vacuum Systems (med gas), 2018 Edition – Effective: December 7, 2019
  • National Electrical Code, 2017 Edition – Effective: December 7, 2019
  • International Energy Conservation Code, 2012 Edition – Effective: November 6, 2014
  • American Society of Mechanical Engineers, Boiler and Pressure Vessel Code, 2004 Edition – Effective: January 26, 2007
  • American Society of Mechanical Engineers, publication CSD-1, Controls and Safety Devices for Automatically Fired Boilers, 2002 Edition – Effective: January 26, 2007
  • Safety Code for Elevators and Escalators, ASME A17.1, 2004 Edition, A17.1a 2005 Addenda, and ASME A17.1S, 2005 Supplement – Effective: January 26, 2007
  • Safety Code for Existing Elevators and Escalators, ASME A17.3, 2002 Edition – Effective: February 27, 2004
  • Safety Standard for Platform Lifts and Stairway Chairlifts, ASME A18.1, 2003 Edition – Effective: January 26, 2007
  • ASME A17.1, 2004 Edition, Appendix N, Table N1, Recommended Inspection and Test Intervals in Months. – Effective: January 26, 2007
  • International Swimming Pool and Spa Code, 2018 Edition – Effective: December 7, 2019
  • Wildland Urban Interface Code, 2018 Edition – Effective: December 7, 2019

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 Building Code
State Licensing Division https://bsd.dli.mt.gov/
State Fire Marshall https://www.doj.mt.gov/enforcement/fireprevention/default.asp
State Environmental Permit https://www.deq.mt.gov/default.mcpx
Montana Building Code by County
Montana Construction Code by County

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


Type
Code Title
Code Adopted
Technical Bases
Applicability
Building
Building Code
2018
2018 IBC
Building
Residential Code
2018 International Residential Code, with Montana Amendments (2014) (2015) (2017) - (Effective January 1, 2020)
2012 IRC
Fire
Fire Code
No Statewide Standard, State or Local Adoption of Editions of Code
Electrical
Electric Code
2014
2014 NEC
Mechanical
Mechanical Code
2012
2012 IMC
Plumbing
Plumbing Code
Not Adopted
Plumbing
Private Sewage Disposal Code
Not Adopted
Fire
Fuel and Gas Code
2012
2012 IFGC
Green
Green Construction Code
Not Adopted
Energy
Energy Conservation Code
2012
2012 IECC
Building
Property Maintenance Code
Not Adopted
Building
Existing Buildings Code
2012
2012 IEBC
Plumbing
International Swimming Pool and Spa Code (ISPSC)
2015
2015 ISPSC
Accessibility
Accessibility Code
Fire
Wildfire/Wildlife Urban Interface Code
2012
2012 IWUIC
Zoning
Zoning Code
Not Adopted
Fire
Fire Life Safety Code

No items found

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