Wisconsin Building and Residential COdes

The Wisconsin Commercial Building Code is based on the 2015 International Building Code (IBC).

The statewide code for newer homes in Wisconsin is the Uniform Dwelling Code (UDC).  Municipalities can choose whether or not to adopt a more or less stringent code.

Building Code Compliance Software for Wisconsin

Plan Analyst code compliance software programs make it easy for building officials, architects and other designers to quickly perform commercial and residential building code plan reviews / code studies.  Plan Analyst for the 2015 IBC and Plan Analyst for the IRC simplifies the plan review / code study process enabling compliance to specific code years.  This proven software allows modifications to accommodate local amendments, where applicable.  Users have the ability to add code requirements and to add to the checklist.  Changes can be made permanent by changing the data file using the setup section of Plan Analyst, or specific reports can be edited for special conditions.

Plan Analyst Calculators: Deck – Sign – Beam & Column

Plan Analyst Deck, Sign and Beam & Column Calculators are additional simple and effective design and code review software tools that will quickly become your go-to resources when working on associated tasks.

Users of Plan Analyst in Wisconsin have included:

Architecture North
Martinson Architects, Inc
Mikes Home Improvements
Plunkett Raysich Architects
St. Croix Log Works LLC
Strand Associates, Inc
Tallgrass Consulting, Inc
TCI Architects Engineers Contractor
Wausau Homes, Inc

Building and Residential Code Resources in Wisconsin

Energy Code Compliance Software for Wisconsin

Visit the U.S. Department of Energy website to see the latest on energy code adoption in Wisconsin, including the use of COMcheck and REScheck Energy Code compliance software. COMcheck enables architects, builders, designers, and contractors to determine whether new commercial or high-rise residential buildings, additions, and alterations meet the requirements of the IECC and ASHRAE Standard 90.1.  REScheck product enables builders, designers, and contractors to determine whether new homes, additions, and alterations meet the requirements of the IECC or a number of state energy codes.

The “Building Codes Assistance Project” also provides information on Wisconsin’s building energy codes.

FEMA Building Code Adoption Tracking

The FEMA Building Code Adoption Tracking program reports on the status of hazard-resistant building code adoption in each state. Wisconsin is in FEMA Region 5. Read the 2023 Region 5 fact sheet showing the annual metric of the percent of communities adopting hazard-resistant building codes in Wisconsin.


American Institute of Architects – AIA Wisconsin represents architects in the state. There are nearly 4,500 registered and reciprocal architects in Wisconsin.

Wisconsin  has several ICC Chapters.

Wisconsin code adoption status on the ICC website