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Detailed Information for : Building Contractor Registration
No person or entity may engage in a construction business or offer to engage in a construction business that affects public buildings, places of employment, one- and 2- family dwellings, public swimming pools and water attractions, unless the person or entity holds a registration issued by the department as a registered building contractor.   
License Type:

4 years


$100, plus a $15 application fee if not sent electronically


The person applying for a building contractor registration shall be the owner of the construction business, a partner in the construction business applying on behalf of a partnership, or the chairman of the board or chief executive officer applying on behalf of the construction corporation.

Required Documentation:
N/A .  
A person applying for a building contractor registration shall submit a completed application, a $15 application fee if applying by mail (No fee if application is submitted electronically), and a $100 license fee.  
Application Form(s):
Apply online, print and mail a PDF file, or email a form request to  
To Apply Directly Online:
Wisconsin Statutes:
Administrative Rules/Codes:
Building Contractor (Comm 5.30)  
Contact Information
Credentialing Unit
Home Page:
E-mail :
Hours of Operation:
7:45 am - 4:30 pm, Monday through Friday  
Mail Address:
PO Box 7082, Madison, WI 53707-7082  
Street Address:
201 West Washington Avenue, Madison, WI 53703  
Agency Web Site:
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For additional assistance with business-related license, permit and registration information, visit the Wisconsin Small Business Development Center at or phone them at 608-263-7680.