Licensing guide

Plumbing license requirements in New Jersey

The New Jersey State Board of Examiners of Master Plumbers issues plumbing licenses in New Jersey. Here's what each license level takes, from the official rules.

Issued by

New Jersey State Board of Examiners of Master Plumbers

Official site

Requirements checked October 21, 2026

License levels

One license level covers this work.

  1. 1

    Master Plumber

    Five years in the plumbing trade: four in a Department of Labor approved apprenticeship and one as a journeyman plumber.

    Official source

Rules, fees and exam schedules change. Confirm the details with the New Jersey State Board of Examiners of Master Plumbers before you apply.

Plumbers in New Jersey

From the Bureau of Labor Statistics. See a city for local wages and contractor counts.

Plumbers employed
8,750
Median hourly wage
$37.61

Plumbing market data by city

Once you're licensed

Tradesman runs the business side for plumbers: estimates, scheduling, invoicing and payments in one app.

Plumbing licensing in New Jersey: common questions

Who issues plumbing licenses in New Jersey?

The New Jersey State Board of Examiners of Master Plumbers. The license levels and what each takes are listed above, with a link to the official source for each.

What does the Master Plumber license take in New Jersey?

Five years in the plumbing trade: four in a Department of Labor approved apprenticeship and one as a journeyman plumber.

Licensed and ready for more customers?

Tradesman handles estimates, scheduling and invoicing so you can spend your time on the work. Now in early access.