Wisconsin Plumbing Exams

The Wisconsin Plumbing License Exam covers many topics including: Vents & Venting; Administrative Procedures; Fixtures; Drainage Systems and more.  Whether you live in Green Bay, Madison, Milwaukee or another city or county, the resources below will help you get started:

Need of a License:  Journeyman and master plumbers need a license to work in Wisconsin.  Wisconsin has different restricted levels for both journeyman and master plumbers, including, journeyman, journeyman restricted appliance, journeyman restricted service, master, master restricted appliance and master restricted service.  All levels need a license.   

Who Grants a License:   Plumbing licenses are issued by the Wisconsin Department of Safety and Professional Services.

Procedures for Getting a License:   A candidate for a journeyman or master plumbing license at all levels must take and pass an exam. 

Qualifications to take the Exam and receive a License:   A candidate for the journeyman plumbing  license must have completed an approved apprenticeship program.  A candidate for the master license must have one of the following: (1) At least 1,000 hours of plumbing-related work experience per year for at least three consecutive years as a licensed journeyman plumber; or (2) graduated from an accredited engineering university or college with a degree in civil engineering, mechanical engineering or other approved engineering curriculum related to plumbing.

Test Content:   The journeyman and master plumber exams consists of true/false and multiple choice questions .  The exams are open book.

How to Apply for the Test:  You can access the journeyman plumber application online at Journeyman Application or call (608) 267-9566.   

You can access the master plumber application at Master Application.  

Mail the completed application to:

     State of Wisconsin
     Department of Commerce-Credentialing
     P.O. Box 78780
     Milwaukee, WI  53293-0780

Fees:  There are fees to take the test.

License renewal:  Licenses must be renewed every four years after the initial renewal, which is done after the first three years of licensure.  Plumbers must fulfill 24 hours of continuing education prior to renewing a license.

Applicable Code :     Wisconsin follows Wisconsin Statues, Comm 81-87, Plumbing Code.


For more information on licensing and exam preparation, go to Tests.com's

Journeyman Plumbing Test Guide

Master Plumbing Test Guide

And take Tests.com's Plumbing Practice Test.

For plumbing exam preparation products and services, such as study guides, practice tests, flashcards and courses, go to Tests.com's Journeyman Plumber Exam and Master Plumber Exam listings.