Maine Plumbing Exams

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

Need of a License:  A plumbing license is required for any person, partnership, corporation or other entity that is engaged in plumbing or performing plumbing installations in Maine.

Who Grants a License:  Plumbers are regulated by the Maine Office of Licensing and Registration and the Plumbers Examining Board

Procedures for Getting a License:    Candidates for a journeyman and a master plumbing license must take an exam.  The exams are closed book.  The passing grade on the master examination is 75% and on the journeyman exam 70%.  For more detailed information about the tests, see the Candidate Information Bulletin.

Qualifications to take the Journeyman Exam and receive a License:  A candidate must have at least 2 years of experience with 4,000 hours of work in the field of plumbing as a licensed trainee under the supervision of a master plumber to qualify to take the test.  Alternatively, a candidate can qualify with at least 2,000 hours of work as a journeyman-in-training under the supervision of a licensed mater plumber as long as the work experience is obtained within 4 years of being issued the journeyman-in-training license. Educational credit may be given if the candidate has at least 1 year of practical experience.

Qualifications to take the Master Exam and receive a License:  A candidate must have at least 2,000 of hours of work in the field of plumbing installations as a journeyman plumber or a minimum of at least 4 years with 8,000 hours of work in the field of plumbing installations as a trainee plumber under the supervision of a master plumber.

Content of the Test:  Journeyman and master exams are each composed of 100 questions and the candidate is give 3 hours to complete the tests.  The content of the exams is as follows with the following number of questions:

     General Knowledge - 18

     General Regulation - 18

     Plumbing Fixtures - 10

     Water Supply Systems - 12

     Drainage, Waste and Sanitary Vents - 18

     Indirect Waste - 4

     Roof Drain Piping - 3

     Specialty Plumbing - 5

     Isometric Analysis - 12

Who Administers the Test:  Prometric

How to Apply for the Test:  You can register to take the journeyman or master exam by submitting the Individual License Application to the following address:

     Office of Licensing and Registration

     35 State House Station

     Augusta, ME  04333-0035

Fees:  There are fees to take the test.

License Renewal:  Licenses must be renewed every two years.  There is no continuing education requirement.

Applicable Code:  Maine has adopted the Maine Internal Plumbing Code. 

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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.