Master Plumber Restricted Appliance

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.

Pursuant to Wis. Stats. § 145.14, the plumbing activities that may be undertaken by a person who holds a credential as a licensed Master Plumber Restricted Appliance, licensed Journeyman Plumber Restricted Appliance, or registered Plumbing Learner Restricted Appliance shall be limited to installing a water treatment device, a water heater, or any other item in connection with a water distribution system, including a stormwater use or reclaimed water system, which does not require a direct connection to a drain system.

Per Wis. Admin. Code § SPS 305.92, for any plumbing installation that requires a uniform building permit under Wis. Admin. Code § SPS 320.08, a person who holds a Master Plumber Restricted Appliance license or a Master Plumber Restricted Service license may not commence installation of plumbing until a permit is issued for the installation.

Application for License

3130Application for Master Plumber Restricted Appliance License
3073​Fax Payment Form

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

  1. Complete requirements for the method you are applying under (see Form #3130 for more information).
  2. Submit an application, supporting documentation and fee:
    • Application for Master Plumber Restricted Appliance License (Form #3130)
    • $75.00 total fee ($20.00 application fee, $30.00 exam fee, and $25.00 late renewal fee)

Renewal Information


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

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.