Building Safety in Idaho (2026)

Ada County deletes the 2018 International Residential Code's automatic fire sprinkler mandate for one- and two-family…

In unincorporated Bonner County, Idaho, a subdivision can satisfy its fire protection requirement with a final plat…

In unincorporated Twin Falls County, a detached single-family home on five or more acres outside a city and its area of…

In unincorporated Bannock County, the 2018 International Residential Code section requiring automatic fire sprinklers…

Boise deleted the IRC mandate for automatic fire sprinklers in new one- and two-family homes, so most single-family and…

Caldwell struck the IRC's one- and two-family automatic fire sprinkler mandate entirely and softened the townhouse…

Idaho Falls deletes the Residential Code's automatic fire-sprinkler mandate for new one- and two-family homes, and…

Pocatello's amended Fire Code does not require residential sprinklers citywide; instead, amended Section 602.1, adopted…

In unincorporated Bonner County, Idaho, child and adult daycare centers need a conditional use permit in the…

In the City of Coeur d'Alene, a childcare center cares for thirteen or more children at other than a principal…

In the City of Twin Falls, Idaho, a daycare facility, meaning care for compensation of more than six children, needs a…

Ada County's building code lets a home-based daycare for 12 or fewer children operate as an ordinary single-family home…

Bannock County classifies small day care and custodial care operations under its own 2018 International Building Code…

Boise's building code treats a home daycare of 12 or fewer children as an ordinary residential occupancy; larger…

Caldwell regulates in-home daycares, daycare centers, and preschools under City Code § 10-12-03-14. In or next to a…

Canyon County's building code chapter adopts the 2018 International Residential Code's Appendix M, "Home Day Care - R3…

Caldwell's amended International Property Maintenance Code makes clear that every means of egress door must open from…

Boise adopted the 2018 International Green Construction Code as Title 9, Chapter 13, but compliance is voluntary unless…

New homes in unincorporated Ada County with an attached garage or any fuel-fired appliance must have an approved carbon…

Unincorporated Bannock County ties carbon monoxide alarm retrofits to the same 2018 IRC alteration trigger as smoke…

Caldwell requires carbon monoxide alarms whenever permitted work occurs in an existing dwelling with an attached garage…

Meridian requires carbon monoxide alarms outside sleeping areas in new homes with fuel-fired appliances or attached…

Any Ada County property owner who wants to build, enlarge, alter, repair, move, demolish or change the occupancy of a…

Any erection, construction, enlargement, alteration, repair, moving, conversion or demolition of a building in…

A building permit is required for most Boise home renovations that touch walls, framing, egress, or systems, not just…

In unincorporated Bonner County, Idaho, no structure subject to Title 11 can be erected, constructed, set, placed…

Any construction valued at $100 or more in unincorporated Bonneville County needs a permit from the Zoning…

In Caldwell, no one may begin constructing, altering, repairing, removing or occupying a structure until the building…

Unincorporated Canyon County requires a building permit from the Development Services Department before anyone erects…

In the City of Coeur d'Alene, no person, firm or corporation may install, erect, construct, enlarge, alter, repair…

Idaho Falls adopts the 2018 International Building Code as its official building code, so covered construction…

Meridian adopts the 2018 International Building Code citywide and requires a permit for construction work, except…

Nampa requires a building permit to erect any deck, patio structure, or other structure under its general permit law…

Pocatello requires a Building Department permit, secured by a licensed contractor, before any work regulated by the…

Before Twin Falls County issues a building or HVAC permit, applicants must submit plans and specifications showing code…

Boise requires a permit before installing, altering, or repairing most electrical systems, under the city's adopted…

Bonneville County enforces the 2023 National Electric Code as its official electrical standard under § 150.01(A)(9)…

Caldwell adopts the current National Electrical Code for all electrical installations, alterations and repairs in the…

In the City of Coeur d'Alene, anyone doing wiring or making an electrical installation must secure a permit from the…

Electrical work in Idaho Falls must comply with the National Electrical Code, adopted by the City as the same edition…

Kootenai County adopts the 2018 International Building and Residential Codes but expressly excludes the NEC Electrical…

Meridian requires a city permit before any electrical wiring, fixture, or apparatus work, under the 2017 NEC as locally…

Nampa requires an electrical permit from the building department before any wiring installation or equipment change…

Pocatello adopted the 2023 National Electrical Code with Idaho IDAPA amendments at City Code § 15.02.010, and §…

In the City of Twin Falls, Idaho, new basic wiring needs a wiring permit from the city building department, secured…

Boise requires a permit before any plumbing, gas, or drainage piping work, fixture, or water heater installation begins…

Bonneville County enforces the 2017 Idaho State Plumbing Code as its official plumbing standard under § 150.01(A)(10)…

Caldwell enforces the Idaho State Plumbing Code for every plumbing installation, alteration and repair inside city…

The City of Coeur d'Alene adopts the 2017 Idaho State Plumbing Code with six local amendments, names the building…

Idaho Falls adopts the 2017 Idaho State Plumbing Code as its official plumbing code, with local amendments, so new…

Meridian adopts the 2017 Idaho State Plumbing Code and requires a city permit stating the work, cost, and address…

Nampa requires a plumbing permit from the building department for all piping and drainage installation, with exceptions…

Pocatello requires a permit from the Building Department before any plumbing work covered by the Idaho State Plumbing…

In the City of Twin Falls, Idaho, no one can construct, install, improve, extend or alter any plumbing system, or…

Section 11-120 of the Bonner County Revised Code says a building location permit does not excuse an applicant from…

A building permit in unincorporated Ada County stays alive for three years from issuance. If the work isn't finished…

Building inspections in unincorporated Bannock County run through the building official's staff, defined in Section…

Boise's building code sets a fixed sequence of inspections, footing, framing, slab, energy, and final, before…

Before construction starts on any structure in unincorporated Bonner County, Idaho, the permit holder posts the…

Caldwell's building official can enter any site under active construction at any reasonable hour to inspect the work…

Pocatello requires contractors to obtain inspections in the proper sequence and secure a final inspection or…

In the City of Twin Falls, Idaho, the city electrical inspector must inspect installations covered by a wiring permit…

For agricultural buildings that use the county's building-permit exemption, Twin Falls County Code § 7-3A-4 still…