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Who needs to be licensed for plumbing in Michigan?

Individuals must be licensed to perform any type of plumbing work without a licensed supervisor.

What are the types of plumbing licenses available in Michigan?

  • Apprentice
  • Journeyman
  • Master
  • Plumbing Contractor

How do I become a journeyman plumber in Michigan?

  1. Meet State Requirements
    • Have at least 6,000 hours of experience gained over no less than 3 years as a registered apprentice in the practical installation of plumbing.
  2. Complete an Application for Journey Plumber Examination & pay the $100 examination fee
  3. Pass the Journeyman Plumber Exam - Study online!
  4. Pay the $40 Journeyman plumber license fee

What can I expect from the Michigan journeyman plumber exam?

Number of Questions: 125
Time Allowed:
 180 Minutes
Amount Correct to Pass:  70%
  • Drainage systems
  • Vent systems
  • Fixtures
  • Water distribution
  • Backflow prevention
  • Special waste systems
  • Testing, and inspections
  • Gathering Information from Isometric Drawings for Practical Plumbing Applications.

What does your Michigan plumber exam prep cover?

  • Act 407 -- Skilled Trades Regulation Act

International Plumbing Code

  • Administration, Scope and Intent/Purpose
  • Definitions and Symbols
  • Plumbing Math
  • General Regulations
  • Fixtures, Faucets, and Fixture Fittings
  • Water Heaters
  • Water Supply and Distribution
  • Sanitary Drainage
  • Indirect and Special Waste
  • Vents
  • Traps, Interceptors, and Separators
  • Storm Drainage
  • Nonpotable Water Systems
  • Subsurface Landscape Irrigation Systems
  • Appendix E
  • Isometrics
  • Private Sewage Systems
  • International Fuel Gas Code
  • Hands-On Practical Application
  • Practice Tests

Bonus Materials

  • Reading and Understanding the PSI Bulletin
  • Books That You Should Have During the Exam

How do I schedule my exam?

Go online to or call (855) 579-4635

Is the Michigan journeyman plumber exam open book?

Yes, you are allowed to bring The Michigan Plumbing Code Book into your exam.

What should I bring to the Michigan journeyman plumber exam?

  • You must bring the admission card mailed to you 7 days before your examination date.
  • Two sharpened #2 pencils
  • Silent non-printing calculators and scale conversion rulers
  • 24-inch square masonite lapboard to use a work surface
  • Michigan Plumbing Code Book

Where can I take the Michigan journeyman plumber exam?

  • Dearborn
  • Gaylord
  • Grand Rapids
  • Lansing (Holt)
  • Marquette
  • Southfield

How do I know if I passed the Michigan journeyman plumber exam?

Scores will be mailed after grading and board approval. Individuals who passed the exam will receive their license after paying the $40 initial license fee. Individuals who failed the examination will receive a reexamination application form in the mail. Reexamination can be scheduled by completing the form and paying the $100 exam fee.

Are there accommodations for individuals with special needs during the Michigan plumbing exam?

Yes, you must provide a written document from a professional such as an educator, doctor, psychologist, psychiatrist to certify that your condition requires accommodation. An accommodation request form can be found here.

How do I renew my journeyman plumber license in Michigan?

The Michigan Department of Licensing and Regulatory Affairs (LARA) will send a renewal notice approximately 3 months before the annual April 30th renewal deadline. You must fill out the forms, pay the $40 fee and send the documents back to LARA.

What are the renewal fees for my Michigan journeyman plumber license?


Do I need continuing education to maintain my journey or master plumber license in Michigan?

Journeymen and Master Plumbers must complete. 5-hours of continuing education within one year of the adoption of new codes.

How often do I have to renew my Michigan journeyman plumber license?

Every year by April 30th

Who issues Michigan plumbing licenses?

Department of Licensing and Regulatory Affairs
Bureau of Construction Codes
1st Floor Ottawa Building
611 W. Ottawa Street
Lansing, MI 48933

Plumbing Division
Phone: 517-241-9330

Useful Links

Michigan Plumber PSI Candidate Bulletin

  • Information Last Updated: 10/2020
  • Did you find incorrect information? Email Us
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