New Hampshire Plumbing Exams

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

Need of a License:  Master and journeyman plumbers need a license to work in New Hampshire.

Who Grants a License:  Plumbers are regulated by the New Hampshire Department of Safety, Division of Fire Safety and the Plumbers Licensing Board

Procedures for Getting a License:    Candidates for a journeyman or master plumbing license must take an exam.  The exams are taken on a computer.  The exams are open book with limited resources.  For detailed information about the exams, see the Examination Information Bulletin.

Content of the Test:  The journeyman and master exams have the following specifications:

The Journeyman exam consists of 75 multiple-choice questions and the candidate is give 3 hours to complete the exam.  The content of the exams is as follows with the following number of questions:

     Plumbing Fixtures and Terminology- 4

     Plumbing Fundamentals - 10

     Water Distribution - 8

     Drainage Requirements- 11

     Traps, Cleanouts and Interceptors - 4

     Special Requirements - 3

     Vent Requirements - 11

     Plan Reading - 19

     Local Amendments - 5

The master exam is composed of 105 multiple-choice questions and the candidate is give 4 hours to complete the tests.  The content of the exams is as follows with the following number of questions:

     Plumbing Fixtures and Terminology- 7

     Plumbing Fundamentals - 13

     Water Distribution - 11

     Drainage Requirements- 19

     Traps, Cleanouts and Interceptors - 7

     Special Requirements - 3

     Vent Requirements - 17

     Plan and Analysis - 23

     Local Amendments - 5

Qualifications to take the Journeyman Exam and receive a License:  Candidates for the journeyman license must have completed an apprenticeship program and received an official certificate from the organization conducting the program.

Qualifications to take the Master Exam and receive a license:  Candidates for the master license must have held the journeyman license for at least 6 months.

Who Administers the Test:  International Code Council and Pearson Vue

How to Apply for the Test:  You can obtain the application by calling the Plumbing Safety and Licensing Section at (603) 223-4289 or by mail at:

     Plumber's Licensing Board

     33 Hazen Drive

     Concord, NH  03305

You must be preapproved by the state before taking your test.  You can register for the test by calling Pearson Vue at (877) 234-6082.

Fees:  There are fees to take the test.

License Renewal:  Licenses must be renewed every year.  As a condition to renewal, plumbers must take a minimum of 3 hours of continuing education.

Applicable Code:  New Hampshire follows the International Plumbing Code established by the International Code Council.


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

Journeyman Plumbing Test Guide

Master Plumbing Test Guide

And take's Plumbing Practice Test.

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