Wyoming building code
Wyoming has adopted 2024 IBC. The table below lists the governing edition for every discipline a plan check touches, followed by the Wyoming cities and counties that amend it locally.
- Current edition
- 2024 International Codes (IBC/IFC/IMC/IFGC/IEBC 2024, effective 2024-06-28) plus 2026 NEC (effective 2026-07-01)
- Code authority
- Wyoming Department of Fire Prevention and Electrical Safety (State Fire Marshal's Office); codes adopted by the Council on Fire Prevention and Electrical Safety and Electrical Board
Adopted code by discipline
| Discipline | Adopted code | Local amendment |
|---|---|---|
| Building | 2024 IBC | n/a |
| Existing buildings | 2024 IEBC | n/a |
| Fire | 2024 IFC | n/a |
| Electrical | 2026 NEC based on 2026 NEC (NFPA 70) | n/a |
| Mechanical | 2024 IMC | n/a |
| Fuel Gas | 2024 IFGC | n/a |
Sources
- https://wsfm.wyo.gov/fire-prevention/plan-review
- https://wsfm.wyo.gov/electrical-safety/rules-statutes-and-jurisdictions
- https://www.law.cornell.edu/regulations/wyoming/041-1-Wyo-Code-R-SSSS-1-2
- https://codes.findlaw.com/wy/title-35-public-health-and-safety/wy-st-sect-35-9-121.html
- https://rules.wyo.gov/
Common questions
What building code does Wyoming use?
Wyoming uses 2024 IBC. It is administered by the Wyoming Department of Fire Prevention and Electrical Safety (State Fire Marshal's Office); codes adopted by the Council on Fire Prevention and Electrical Safety and Electrical Board.
Do cities in Wyoming amend the state code?
Local amendments are adopted by ordinance at the city or county level. Confirm with the building department that reviews your permit.
Check a plan set against Wyoming code
Knowing the adopted edition is the easy half. Architechtura reads your drawings, resolves which of these provisions actually apply to the project, and returns the corrections a plan checker would write up, each one cited to the section it came from.
Your first check is free, no card required.
Compiled from published state and municipal adoption ordinances. Local governments amend their codes on their own schedule, and a pending ordinance can change what applies to your permit. Confirm the governing edition with the building department before you submit. This page is reference information, not a code determination.