Adopted edition
State · MT
Montana building codes at a glance.
Montana Department of Labor & Industry enforces statewide. WUI overlays widespread. Coverage in progress.
MT Montana
IECC zones 5B, 6B, 7 · ASCE 7 design wind 90–110 mph
Adoption model
Municipal adoption
Permits issued: Local
Coverage status
In progress
Parcel + edition library indexing in progress; per-jurisdiction lookups available.
Climate zones (IECC)
5B · 6B · 7
Drives R-value, fenestration U-factor, and air-leakage envelope rules.
Design wind speed
90–110 mph
ASCE 7 Risk Category II, 3-second gust at 33 ft. Fastener spec follows.
Special zones
- HVHZ (not applicable)
- WUI (applicable)
- FEMA SFHA overlays (present)
Compliance track
What's required to build here.
Local adoption — see jurisdiction.
County directory
All 56 counties in Montana.
Each county page shows the adopted edition, county-level amendments, and permit-office contact.
- Beaverhead County
- Big Horn County
- Blaine County
- Broadwater County
- Carbon County
- Carter County
- Cascade County
- Chouteau County
- Custer County
- Daniels County
- Dawson County
- Deer Lodge County
- Fallon County
- Fergus County
- Flathead County
- Gallatin County
- Garfield County
- Glacier County
- Golden Valley County
- Granite County
- Hill County
- Jefferson County
- Judith Basin County
- Lake County
- Lewis and Clark County
- Liberty County
- Lincoln County
- Madison County
- McCone County
- Meagher County
- Mineral County
- Missoula County
- Musselshell County
- Park County
- Petroleum County
- Phillips County
- Pondera County
- Powder River County
- Powell County
- Prairie County
- Ravalli County
- Richland County
- Roosevelt County
- Rosebud County
- Sanders County
- Sheridan County
- Silver Bow County
- Stillwater County
- Sweet Grass County
- Teton County
- Toole County
- Treasure County
- Valley County
- Wheatland County
- Wibaux County
- Yellowstone County
Working in Montana?
Pull an address-level code packet for any property. SkyCanvass resolves the parcel, looks up the jurisdiction's adopted edition + amendments, and emits a cited packet ready for permit submittal.
For state-vs-state comparisons see the state comparison view, or browse the state directory.
Pull a MT code packet.
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