Wisconsin Department of Commerce
Webiste: https://www.commerce.state.wi.us
201 W. Washington Ave.
Contact Person: Safety and Buildings Division
Phone: (608) 266-3151
Email: [email protected]
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Wisconsin Permit, Building Code and Licensing Information

State Website https://www.wisconsin.gov/state/index.html
State Licensing Contractor licensing is required by the State of Wisconsin.
State Building Code The State of Wisconsin has adopted the 2015 International Building Code (IBC), the Wisconsin Uniform Dwelling Code (state written – building/residential, UDC), the Wisconsin Uniform Plumbing Code, the 2017 National Electrical Code (NEC), and the 2015 International Mechanical Code (IMC).

The Wisconsin Uniform Dwelling Code (UDC) has been reviewed for comparison to the 2009 and 2012 editions of the IRC (2013 reviewed).

State Licensing Division https://www.commerce.state.wi.us/SB/SB-DivProgramsListed.html
State Fire Marshall https://www.doj.state.wi.us/dci/arson/
State Environmental Permit https://www.dhs.wisconsin.gov/eh/