Credential Status

Wisconsin State Stat. 145.06

“No person may engage in or work at plumbing in the state unless licensed to do so by the department.”

  • All master and journeyman plumber’s licenses are a four-year license.
  • The continuing education is ten total hours per calendar year, four being in Safety


Check your status online
You will need your credential number to access your file. View here

Department of Commerce –
Customer Service Center
Safety and Buildings Division
201 W. Washington Avenue, 4th Floor
PO Box 7082
Madison, WI 53707-7082

Phone: 608-261-8500
Fax: 608-267-0592

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