• Passing the Business and Law Exam is required to be licensed as a Master Plumber
• Must be 21 years old for the Master.
• A $3,000 bond is required for licensure.
• No exam is required for the Journeyman, but 4 years of experience as an apprentice and 1 year Journeyman is required to apply to take the Master.
• Required to have prior approval from the State Board before testing.

"Journeyman plumber" means any person other than a master plumber or apprentice plumber who installs, alters, repairs and renovates plumbing in accordance with standards, rules and regulations established by the board and who works under the supervision of a master plumber.

"Master plumber" means a person licensed pursuant to this amendatory and supplementary act who has the qualifications, training, experience and technical knowledge necessary to properly plan, lay out, install and repair plumbing apparatus and equipment and to supervise others in the performance of such work in accordance with standards, rules and regulations established by the State board;

$100 initial application fee and 2-year renewal fee of $160. Application can be found here.

Department of Law & Public Safety
Board of Examiners of Master Plumbers
PO Box 45008
Newark, NJ 07101
(973)504-6420

• 50 questions and a time limit of 2 1/2 hrs (Business and Law)
• 100 questions and a time limit of 4 hrs
• Exam requires a 70% to pass.
• Topics on the examination includes: Drainage Systems/Sewers,Water Supply/Backflow Prevention,Code, General Knowledge,Installation Practices/Methods/Materials,Special Wastes/Roof Drains,Fixtures/Trim,Excavation,Inspection/Testing
• Call Prometric for testing info at 800.626.0750

These books are available for purchase from our online contractor’s bookstore or by calling our office at 1-800-952-0910.

The following references are not allowed in the testing center:

• National Standard Plumbing Code, 2006
• Modern Plumbing, 2005
• Mathematics for Plumbers and Pipefitters
• New Jersey Amendments to the National Standard Plumbing Code, 2006 (Website)
• OSHA Excerpts for Contractors (from Title 26 CFR, Parts 1926 & 1910)

The following reference IS allowed in the testing center:

• New Jersey Plumbing Contractor's Reference Manual

Please check back later, as we are always adding new training material.