Wisconsin Commercial Building Code, SPS 361-366, based on the 2021 ICC codes (IBC, IECC, IMC, IFGC, IEBC) with Wisconsin amendments, effective Sep 1, 2025. Enforced by DSPS Division of Industry Services (plan review and commercial building inspection for public buildings and places of employment); delegated municipalities do plan review and inspection for certain buildings in their jurisdictions. Verified on the primary source, re-checked weekly.
2021 ICC-based code took effect Sep 1, 2025; plans submitted on or after Nov 1, 2025 must comply. SPS 366 (2021 IEBC basis) covers existing buildings; the prior code was 2015 ICC-based (2018 edition).
Source: primary document
Statewide layer. County and city amendments sit on top; the building view resolves them from your ZIP.
In force; no commercial building code rule on DSPS's pending-rules list (the conveyance code review also touches SPS 362 and 366). Companion electrical (SPS 316) and plumbing (SPS 381-387) updates took effect Sep 1, 2026
Wisconsin Commercial Building Code, SPS 361-366, based on the 2021 ICC codes (IBC, IECC, IMC, IFGC, IEBC) with Wisconsin amendments, effective Sep 1, 2025. 2021 ICC-based code took effect Sep 1, 2025; plans submitted on or after Nov 1, 2025 must comply. SPS 366 (2021 IEBC basis) covers existing buildings; the prior code was 2015 ICC-based (2018 edition).
DSPS Division of Industry Services (plan review and commercial building inspection for public buildings and places of employment); delegated municipalities do plan review and inspection for certain buildings in their jurisdictions.
Nothing is scheduled. The rule above stays in force until the state adopts a newer edition or amends the program; AHJ Radar re-checks the source weekly.
One address, every authority that can cite it, and a record of who saw what. Cancel anytime. Public pages stay free.