MEP
State Amended
Idaho Electrical Code
Adopted from:2023 NFPA 70 National Electrical Code (NFPA 70)
Effective Period
Learn moreApr 19, 2024—Present
Building Codes by State & Jurisdiction
Select any state to instantly see which building codebooks apply – including the adopted base code, effective period, and amendments.
Residential
State Edition
Idaho Residential Code
Adopted from:2018 International Residential Code (IRC)
Effective Period
Learn moreJan 1, 2021—Present
MEP
State Amended
Idaho Fuel Gas Code
Adopted from:2018 International Fuel Gas Code (IFGC)
Effective Period
Learn moreJan 1, 2021—Present
MEP
State Amended
Idaho Mechanical Code
Adopted from:2018 International Mechanical Code (IMC)
Effective Period
Learn moreJan 1, 2021—Present
Building
As is
Idaho Existing Building Code
Adopted from:2018 International Existing Building Code (IEBC)
Effective Period
Learn moreJan 1, 2021—Present
Energy
State Edition
Idaho Energy Conservation Code
Adopted from:2018 International Energy Conservation Code (IECC)
Effective Period
Learn moreJan 1, 2021—Present
Fire
State Amended
Idaho Fire Code
Adopted from:2018 International Fire Code (IFC)
Effective Period
Learn moreJan 1, 2021—Present
Building
State Amended
Idaho Building Code
Adopted from:2018 International Building Code (IBC)
Effective Period
Learn moreJan 1, 2021—Present
Building
State Amended
Idaho Swimming Pool and Spa Code
Adopted from:2015 International Swimming Pool and Spa Code (ISPSC)
Effective Period
Learn moreJan 1, 2021—Present
MEP
State Edition
Idaho State Plumbing Code
Adopted from:2015 Uniform Plumbing Code (UPC)
Effective Period
Learn moreJan 1, 2018—Present
People also ask
Idaho has adopted 10 active building codes, including editions of the Idaho Electrical Code, Idaho Residential Code, Idaho Fuel Gas Code. Use the list above to verify the specific year and edition for your project.
No, Idaho generally mandates statewide building code adoption, ensuring consistent construction standards across all jurisdictions.
Most states, including Idaho, review and adopt new building code editions every 3 to 6 years, typically following the triennial publication cycles of the ICC and NFPA.
Idaho's current building code adoption is based on the 2023 edition cycle. Check the code cards above for specific edition years for each code type (IBC, IRC, IFC, etc.).
Idaho publishes statewide amendments. The amendment type for each code is indicated by the badge (As Is, State Amended, or State Edition) on each code card above.
Permit requirements in Idaho depend on the locally adopted building codes shown above. Contact your local building department for specific permit thresholds and submittal requirements. The code edition in effect on your permit application date determines which requirements apply to your project.