What building code does Milwaukee, WI use?

Milwaukee, WI currently enforces the 2021 Wisconsin Commercial Building Code (SPS 361-366, amended 2021 IBC per SPS 361.05(1)). Milwaukee enforces the state-adopted code. Milwaukee enforces the statewide Wisconsin codes (commercial SPS 361-366, 1-2-family UDC SPS 320-325) with local ordinance amendments (e.g., ch. 214 fire); the 2021 I-Code-based commercial update took effect Sept 1, 2025 (mandatory for plans submitted on/after Nov 1, 2025), while electrical remains on the 2017 NEC until the adopted 2023 NEC amendment (CR 26-016) takes effect Sept 1, 2026.

Adopted codes

ScopeCodeEdition
BuildingWisconsin Commercial Building Code (SPS 361-366, amended 2021 IBC per SPS 361.05(1)) (with local amendments)2021
ResidentialWisconsin Uniform Dwelling Code (SPS 320-325, state-written; not IRC-based)current SPS 320-325
FireWisconsin fire prevention code SPS 314 (NFPA 1) plus Milwaukee Code ch. 214 (adopts 2006 IFC as alternate model code under SPS 314.001(2)) (with local amendments)2012 (NFPA 1)
MechanicalWisconsin Commercial Building Code (SPS 364, amended 2021 IMC per SPS 361.05(3))2021
PlumbingWisconsin Plumbing Code (SPS 381-387, state-written; not IPC/UPC-based)current SPS 381-387
ElectricalWisconsin Electrical Code (SPS 316, amended NEC/NFPA 70)2017
EnergyWisconsin Commercial Building Code (amended 2021 IECC per SPS 361.05(2)); dwellings use UDC ch. SPS 322 (state-written)2021 (commercial)
OtherWisconsin Commercial Building Code (amended 2021 IEBC per SPS 361.05(5))2021

Current adoptions effective 2025-09-01.

Permits: Milwaukee permitting office

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curl https://codes.submittal.app/api/v1/cities/milwaukee.json

Confidence: high · Verified against official sources:

Part of the open building-codes dataset (CC BY 4.0). See also: Wisconsin statewide adoptions.