Wisconsin enforces a single, uniform statewide commercial building code with no local opt-out. Local jurisdictions may not adopt or amend commercial codes independently but can be certified to perform plan reviews and inspections under state oversight.
Madison follows the Wisconsin Uniform Commercial Building Code and applies both technical and administrative amendments through local ordinances. Local changes primarily impact fire prevention and conveyance systems, while electrical and plumbing requirements align with state standards.
No updates
Wisconsin enforces a single, uniform statewide commercial building code with no local opt-out. Local jurisdictions may not adopt or amend commercial codes independently but can be certified to perform plan reviews and inspections under state oversight.
Milwaukee adopts Wisconsin state building codes and applies both technical and administrative amendments through its local ordinances. Key amendments impact fire, commercial building, and electrical requirements, while plumbing standards align with state regulations.
Wisconsin is planning to adopt the 2023 National Electrical Code, with an anticipated effective date in early 2026, though the exact date has not been set. No updates have been announced for other building codes, including the 2021 International Codes.