International Energy Conservation Code, residential
Montana: International Energy Conservation Code (residential), lead only
DOE’s energycodes.gov shows Montana on the 2021 IECC, effective Sep 21, 2024. Montana’s own records for the IECC residential have not been read yet.
Tracker reading
Edition a tracker lists
2021 IECC
Lead only
How it was checked
Lead only
A tracker lists this edition. Nobody has checked it against the state’s own record yet.
What the trackers say
Code adoption trackers are a cross-check. They are not Montana’s own record.
DOE’s energycodes.govCross-check
2021 IECC, effective Sep 21, 2024
Current State Code: 2021 IECC; State Amendments: Yes; Equivalent Code: 2009 IECC; Effective Date: 09/21/2024; Enforcement: Mandatory Statewide
Related pages
- See Montana’s IECC residential on the map
- IECC residential adoption in every state
- All six codes in Montana