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Journeyman Plumber
Exam Prep
Master Plumber
Exam Prep
Online Journeyman Plumber Exam Prep
5-Hour Code Update
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Michigan Plumber License General FAQ

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 get my plumbing license in Michigan?
  1. Complete a Registration for Apprentice Form
  2. Pay the $15 Application Fee
  1. 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. Registration for Apprentice Form
  2. Complete a $100 Application for Journey Plumber Examination – More information found here.Once your application is approved a third party testing agency (PSI) will contact you with instructions to schedule your exam. Exam fees must be paid to PSI when scheduling the exam.
  3. Pass the $100 exam
  4. Pay the $40 Journeyman plumber license fee
  • You must be at least 18 years of age.
  • You must have 4,000 hours experience in work as a journey plumber over a period of not less than 2 years immediately preceding the date of the application.
If you meet the above requirements, complete a Master Plumber application, pay the $100 examination fee and the $300 Master Plumber license fee. Plumbing Contractor
  • You must either hold a master plumber license or employ the holder of a master plumber license as his or her representative.
  • You must be an owner of a sole proprietorship or partnership or an officer of a corporation or limited liability company.
  • You must provide complete business or employment information for the previous 5 years.
If you meet the above qualifications complete an Application for Plumbing Contractors, pay the $100 examination fee and the $300 Plumbing Contractor License fee.
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
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
[email protected]

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