Idaho · Building code

The building code in force in Idaho now.

2018 International Building Code (IBC), with Idaho amendments incl. 2021 IBC mass-timber provisions. Enforced by Idaho Building Code Board (DOPL) sets statewide code; local jurisdictions adopt and enforce, including permits/inspections. Checked on the primary source; the state record was last reviewed 2026-11-12.

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Building code in Idaho

Checked on the source

In force

2018 International Building Code (IBC), with Idaho amendments incl. 2021 IBC mass-timber provisions

Current IDAPA 24.39.30 text (re-read Oct 19, 2026): section 600.01 adopts the 2018 IBC with Idaho amendments (history 7-1-24); 600.02 adds 2021 IBC mass-timber provisions. Docket 24-3930-2502 (2024 I-Codes) drew Senate committee approval Feb 5, 2026 and a House committee rejection letter Mar 18, 2026; it does not appear in the current text. Confirm with the local building official.

Source: primary document

Who enforces it

Idaho Building Code Board (DOPL) sets statewide code; local jurisdictions adopt and enforce, including permits/inspections

Statewide layer. County and city amendments sit on top; confirm the local office for the address.

What changes next

Rulemaking pending

Board draft minutes of Aug 11, 2026 describe draft agency legislation amending Idaho Code 39-4101 to adopt the 2024 IBC, IRC, IECC and IEBC, effective July 1, 2028 if passed. CONFLICT: those minutes list the next meeting as Oct 20, 2026; DOPL's event page lists a Board meeting Oct 28, 2026 with no agenda posted. Docket 24-3930-2502 not in current IDAPA 24.39.30

What a building has to do

1 recurring duties

These apply when the building has the equipment or fits the type named. The frequency is the standard one; your local official can set a stricter one, so confirm it for the address.

Monthly

Accessible pool entry: a pool lift or sloped entry in place and working whenever the pool is open (pools with 300 or more linear feet of wall need two accessible entries; a spa needs one: lift, transfer wall or transfer system); the rule sets no inspection interval; a monthly check that it works and is charged is common practice2010 ADA Standards §242 and §1009; 28 CFR 36.211 · U.S. Department of Justice (enforced through complaints and lawsuits) · Checked against the source 2026-09-28.

Questions about the building code in Idaho

Which building code applies in Idaho today?

2018 International Building Code (IBC), with Idaho amendments incl. 2021 IBC mass-timber provisions. Current IDAPA 24.39.30 text (re-read Oct 19, 2026): section 600.01 adopts the 2018 IBC with Idaho amendments (history 7-1-24); 600.02 adds 2021 IBC mass-timber provisions. Docket 24-3930-2502 (2024 I-Codes) drew Senate committee approval Feb 5, 2026 and a House committee rejection letter Mar 18, 2026; it does not appear in the current text. Confirm with the local building official.

Who enforces the building code in Idaho?

Idaho Building Code Board (DOPL) sets statewide code; local jurisdictions adopt and enforce, including permits/inspections.

What changes next for the building code in Idaho?

Rulemaking pending. Board draft minutes of Aug 11, 2026 describe draft agency legislation amending Idaho Code 39-4101 to adopt the 2024 IBC, IRC, IECC and IEBC, effective July 1, 2028 if passed. CONFLICT: those minutes list the next meeting as Oct 20, 2026; DOPL's event page lists a Board meeting Oct 28, 2026 with no agenda posted. Docket 24-3930-2502 not in current IDAPA 24.39.30