What codes do you use (years)?
  • 2021 International Residential Code
  • 2021 International Building Code
  • 2021 International Mechanical Code
  • 2021 International Fuel Gas Code
  • 2021 Uniform Plumbing Code
  • 2020 National Electrical Code
  • 2021 International Energy Conservation Code
  • 2012 International Fire Code
  • 2021 International Swimming Pool & Spa Code

City of Billings’ Building Codes were last adopted on September 1, 2022 per Administrative Order #150.
A handout specifying each code and edition year is available at the Building Division front counter on the 4th floor of the Miller Building at 2825 3rd Avenue North.

Show All Answers

1. How do I request a Building Inspection?
2. Where do I obtain a building permit?
3. What permits are required?
4. Are separate permits required? If so, why?
5. Can you expedite my permit?
6. Do I need sidewalks, curb and gutter, and other improvements as part of my development?
7. Do I need site, architectural, mechanical, or electrical plans?
8. How are priorities established?
9. How is the cost of a permit calculated?
10. How long will it take to get a building permit?
11. How many sets of plans do I need?
12. What are setbacks?
13. What codes do you use (years)?
14. What if I am not in the Billings jurisdiction?
15. What is the status of my permit?
16. When can I use a waiver?
17. Why is a building permit required?
18. Who is responsible for the permits?
19. Where do I direct my flood plain questions?
20. Where is my property line?
21. Why do I need a plan?
22. Why is my review taking so long?
23. What are the requirements for egress windows?