Building Safety in Idaho Falls, ID (2026)
4 verified building safety rules for Idaho Falls, Idaho, sourced directly from the municipal code and official government pages.
Verified from official government sources
Fire Sprinkler Requirements
Idaho Falls deletes the Residential Code's automatic fire-sprinkler mandate for new one- and two-family homes, and narrows the townhouse sprinkler rule to units lacking qualifying fire-rated walls.
Idaho Falls Residential Fire Sprinkler Rule
Few RestrictionsIdaho Falls City Code Section 7-6-2(K), (L)
(K) ...Exception: Automatic residential fire sprinkler systems shall not be required in townhouses where either two (2) one (1)-hour fire-resistance-rated walls or a common two (2)-hour fire-resistance rated wall...is installed between dwelling units or when additions or alterations are made to existing townhouses that do not have an automatic residential fire sprinkler system installed. (L) De...
Building Permits
Idaho Falls adopts the 2018 International Building Code as its official building code, so covered construction, alteration, and repair work needs a City-issued permit before it starts.
Idaho Falls Building Permit Requirements
Some RestrictionsIdaho Falls City Code Section 7-1-1(A)
The International Building Code, 2018 Edition, published by the International Code Council, Inc., is hereby adopted as an official code of the City, except the portions deleted, modified or amended by the provisions of this Chapter. (B) Code on File: One (1) copy of the International Building Code, 2018 Edition, shall be retained by the Clerk for use and examinati...
Electrical Permits
Electrical work in Idaho Falls must comply with the National Electrical Code, adopted by the City as the same edition the State of Idaho has adopted under Idaho Code Section 54-1001.
Idaho Falls Adopts National Electrical Code
Some RestrictionsIdaho Falls City Code Section 7-8-1(A) (Ord. 3627, 9-11-25)
National Electrical Code Adopted: The National Electrical Code, published by the National Fire Protection Association, is hereby adopted as an official code of the City. The version adopted by the City shall be the same National Electric Code adopted by the State of Idaho pursuant to Idaho Code Section 54-1001. (Ord. 3627, 9-11-25) (B) Code on File. One (1) co...
Plumbing Permits
Idaho Falls adopts the 2017 Idaho State Plumbing Code as its official plumbing code, with local amendments, so new plumbing work needs a permit under that adopted code.
Idaho Falls Plumbing Code Adoption
Some RestrictionsIdaho Falls City Code Section 7-5-1(A)
The Idaho State Plumbing Code, adopted in 2017 pursuant to Idaho Code Title 54, Chapter 26, is hereby adopted as the official Plumbing Code of the City, except for those portions that are deleted, modified or amended by the provisions of this Chapter. (B) Idaho State Plumbing Code on File: Three (3) copies of the Idaho State Plumbing Code adopted by ...
Looking for Bonneville County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Idaho Falls city rules.
Building Safety in Bonneville County →