Michigan Plumbing Exams

The Michigan Plumbing License Exam covers many topics including: Vents & Venting; Administrative Procedures; Fixtures; Drainage Systems and more.  Whether you live in Detriot, Grand Rapids, Kalamazoo or another city or county, the resources below will help you get started:

Need of a License:  A journey and master plumber needs a license to work in Michigan.

Who Grants a License:  Plumbing licenses are issued by the Michigan Department of Licensing and Regulatory Affairs (LARA)

Procedures for Getting a License:    A candidate for a journey plumbing license must take and pass an exam consisting of a copper practical, isometric workbook practical and written questions.   Detailed information about the test is provided in a journeyman plumber candidate information sheet

A candidate for a master plumbing license must take and pass an exam consisting of a material take off practical, building chart practical and written questions.   Detailed information about the test is provided in a master plumber candidate information sheet

Qualifications to take the Journeyman Exam and receive a License - A candidate for a journeyman plumbing license must have at least 6,000 hours of experience gained over not less than 3 years as a registered apprentice plumber in the practical installation of plumbing under the supervision of a master plumber.

Qualifications to take the Master Exam and receive a License:  A candidate for a master plumber license must have at least 4,000 hours of experience gained over not less than 2 years as a journey plumber.

Test Content:  The written part of the journeyman and master plumbing tests hves 100 multiple-choice questions and a candidate must get at least a 70% score to pass.  The tests have the following content and number of questions:

     Drainage Systems

     General Knowledge


     Water/Backflow Protection

     Storm/Special Waste




Who Administers the Test:  LARA

How to Apply for the Test:  You can download and print out the Application for Journey Plumber Examination and the Application for Master Plumber Examination

Mail the completed application to:

     Michigan Department of Energy, Labor and Economic Growth

     Bureau of Construction Codes/Plumbing Division

     P.O. Box 30255

     Lansing, MI  48909

Fees: There are fees to take the test.

License Renewal:  Licenses must be renewed every three years.  There is a continuing education requirement if the plumbing code is changed or updated during the previous year.

Applicable Code:  Michigan has adopted the International Plumbing Code developed by the International Code Council.


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.