Standards for Design & Construction

These standards establish the minimum requirements for construction and/or upgrading of facilities both in the public right-of-way and for private development; transportation and transportation related facilities; storm drainage facilities; sanitary sewer and water improvements; and park, recreation, and open space facilities. These standards are to be used as a resource by City staff, citizens, developers, contractors, and design professionals. 


Montana Building Codes (International Code Council)

  1. 2021 International Building Code as amended by ARM 24.30.131
  2. 2021 International Residential Code as amended by ARM 24.301.154
  3. 2021 International Energy Conservation Code, as amended by ARM 24.301.161 
  4. 2021 International Existing Building Code, as amended by ARM 24.301.171
  5. 2021 International Mechanical Code, as amended by ARM24.301.172
  6. 2021 International Fuel Gas Code, as amended by ARM 24.301.173
  7. 2021 International Swimming Pool and Spa Code, as amended by ARM24.301.175
  8. 2021 Uniform Plumbing Code, as amended by ARM 24.301.301
  9. Ground Snow Load 62lbs
  10. Wind Load 115 mph
  11. Seismic Zone: D