Master Plumber

License Information

Per Wis. Stats. § 145.06, no person may engage in or work at plumbing in the state unless licensed to do so by the Department.

Per Wis. Admin. Code § SPS 305.91, a person who as a licensed Master Plumber is responsible for the installation or modification of plumbing shall utilize the appropriate credentialed persons to install or modify plumbing.


Application for License

FormDescription
3129Application for Master Plumber License
3073​Fax Payment Form

Reinstate a Master Plumber License that has been Expired more than 4 Years

  1. Complete requirements for the method you are applying under (see Form #3129 for more information).
  2. Submit an application, supporting documentation and fee:
    • Application for Master Plumber License (Form #3129)
    • $75.00 total fee ($20.00 application fee, $30.00 exam fee, and $25.00 late renewal fee)

Renewal Information

Requirements

Renewal Methods

Department of Safety and Professional Services

Trades Credentialing Unit
PO Box 78780
Milwaukee, WI  53293-0780


If you have questions regarding your renewal, please email DSPSCredTrades@wisconsin.gov.

When mailing your renewal, please allow up to 21 calendar days [per Wis. Admin. Code SPS 305.04 (1)] from the date your payment is processed to receive an update regarding your renewal.