Montana Building Codes
Below you can find links to Building Codes and Authorities Having Jurisdiction for the state of Montana.
This information is obtained directly to the source -- the city, county and state building departments that issue these codes. If you find an error, please send an e-mail with the updated information to RCDWebmaster@ReedBusiness.com.
Additional Resources
• Montana's codes are mandatory statewide for all public and state-owned buildings, except where otherwise indicated below.
• Montana updates its codes every three years.
• Montana updates its codes every three years.
Montana Building Codes
| Code Type | Code Model | Amendment Contact |
| Building/Dwelling Code | IBC 2006 & IRC 2006 (Administrative Rules of Montana, Title 24, Ch. 301, Building Codes Bureau) | Building Codes Bureau, (406) 841-2040 |
| Structural Code | IBC 2006 (Administrative Rules of Montana, Title 24, Ch. 301) | Building Codes Bureau, (406) 841-2040 |
| Plumbing Code | UPC 2006 (Administrative Rules of Montana, Title 24, Ch. 301) | Building Codes Bureau, (406) 841-2040 |
 | Mandatory for all buildings | |
| Mechanical Code | IMC 2006 (Administrative Rules of Montana, Title 24, Ch. 301) | Building Codes Bureau, (406) 841-2040 |
| Electrical Code | NEC 2005 (Administrative Rules of Montana, Title 24, Ch. 301) | Electrical Safety Section, (406) 841-2047 |
| Mandatory for all buildings | |
| Fire/Life Safety Code | NFPA 1: UFC 2003 | State Fire Marshal, (406) 444-2050 |
| Mandatory for all buildings | |
| Accessibility Code | IBC 2006 & ICC/ANSI A117.1 | Building Codes Bureau, (406) 841-2040 |
| Energy Code | IECC 2003 | Building Codes Bureau, (406) 841-2040 |
| Elevator Code | ASME A17.1-2004; A17.1a-2005; A17.1S-2005 | Building Codes Bureau, (406) 841-2040 |
| Gas Code | IFGC 2006 (Administrative Rules of Montana, Title 24, Ch. 301) | Building Codes Bureau, (406) 841-2040 |
| Boiler Code | ASME 2004 Boiler & Pressure Vessel Code | Building Codes Bureau, (406) 841-2044 |
| Public Health Code | None | N/A |
| Hazardous Materials | None | N/A |
Montana Authorities Having Jurisdiction (AHJ)
Authorities Having Jurisdiction are those government officials who are the final authority on questions in a particular area (or jurisdiction).
| Jurisdictional Area | Contact |
| Plumbing | Pam Plovanic Plumbing & Mechanical Permits Phone: (406) 841-2051 |
| Mechanical | Pam Plovanic Plumbing & Mechanical Permits Phone: (406) 841-2051 |
| Electrical | Ellen Granby Electrical Permits Phone: (406) 841-2047 |
| Plan Review | David Cook Plan Review Services Phone: (406) 841-2053 |
| Historic Preservation | Peter Brown Historic Architecture Specialist Phone: (406) 444-7718 |
| Environmental | Richard Opper Director, Dept. of Environmental Quality Phone: (406) 444-2544 Fax: (406) 444-4386 |
| Health Department | Joan Miles Director, Dept. of Public Health & Human Services Phone: (406) 444-5622 Fax: (406) 444-1970 |
| Fire Marshal | Allen Lorenz State Fire Marshal Phone: (406) 444-2050 |
| Forestry/Parks | Department of Fish, Wildlife and Parks Phone: (406) 444-3750 |
| Transportation | Jim Lynch Director, Dept. of Transportation Phone: (406) 444-6200 |
| Boiler Inspector | Jim McGimpsey Boiler Safety Program Phone: (406) 538-2019 Fax: (406) 841-2050 |
| Elevator Inspector | Jennifer Johnson Elevator Safety Program Phone: (406) 841-2064 |
Montana Municipalities
Building codes are also available for the following municipalities within Montana:
