New Jersey Plumber License Requirements

Official classification: Master Plumber License · Issued by the New Jersey State Board of Examiners of Master Plumbers, Division of Consumer Affairs.

🔧 PlumberNJ ✔ Verified 2026-06-25

In New Jersey, plumbers must hold the Master Plumber License, issued by the New Jersey State Board of Examiners of Master Plumbers, Division of Consumer Affairs, and a $3,000 surety bond is required. Full requirements — experience, exams, fees, insurance, renewal and reciprocity — are detailed below.

How to become a licensed plumber in New Jersey

Follow these steps to earn your Master Plumber License. Every figure is verified against the New Jersey State Board of Examiners of Master Plumbers, Division of Consumer Affairs; full detail for each step is further down the page.

  1. Build the required experience. Four-year U.S. Department of Labor-approved apprenticeship program (including propane services education) plus one year (minimum 1,200 hours) of hands-on journeyman experience in New Jersey. Alternative: Bachelor's degree in mechanical, plumbing, or sanitary engineering plus one year (1,200 hours) of journeyman experience in New Jersey.
  2. Pass the Master Plumber Trade Exam and Master Plumber Business and Law Exam and Master Plumber Practical Exam exams. Providers, passing scores and fees are in the Exams section below.
  3. Secure your surety bond. New Jersey requires $3,000 surety bond (concurrent with license term; biennial renewal).
  4. Line up insurance. You'll need liability insurance (—).
  5. Clear the background check. Criminal history record background check required; applicants must disclose arrests and convictions
  6. Submit your application and fees. Apply through the New Jersey State Board of Examiners of Master Plumbers, Division of Consumer Affairs — $100 application fee, plus a Assessed upon approval; amount not publicly disclosed license fee. Processing time: 15-20 days after licensing fee is processed; acknowledgment email within 72 hours of application receipt.
  7. Keep the license active. Renew every 2 years; licenses expire June 30 of odd-numbered years, completing 5 hours of continuing education per biennial renewal cycle; must be completed by June 30.

New Jersey plumber license lookup

To confirm a plumber is properly licensed in New Jersey — or to check the status of your own license — search the issuing agency's official license database. The record shows whether the license is active and in good standing.

Verify a license now: Search the official newjersey.mylicense.com database →

License types

Requirements at a glance

Experience requiredFour-year U.S. Department of Labor-approved apprenticeship program (including propane services education) plus one year (minimum 1,200 hours) of hands-on journeyman experience in New Jersey. Alternative: Bachelor's degree in mechanical, plumbing, or sanitary engineering plus one year (1,200 hours) of journeyman experience in New Jersey.
Application fee$100
License feeAssessed upon approval; amount not publicly disclosed
Renewal fee$160 per biennial (2-year) cycle
Renewal periodEvery 2 years; licenses expire June 30 of odd-numbered years
Continuing education5 hours of continuing education per biennial renewal cycle; must be completed by June 30
Bond required$3,000 surety bond (concurrent with license term; biennial renewal)
Liability insurance
Property damage
Workers' comp
Background checkCriminal history record background check required; applicants must disclose arrests and convictions
Credit requirementNone
ReciprocityConnecticut; Delaware; Maryland; New York; Pennsylvania
Processing time15-20 days after licensing fee is processed; acknowledgment email within 72 hours of application receipt

Exams

Master Plumber Trade ExamProvider: PSI · Passing: 70% · Fee: Included in $240 examination fee
Master Plumber Business and Law ExamProvider: PSI · Passing: 70% · Fee: Included in $240 examination fee
Master Plumber Practical ExamProvider: PSI · Passing: 70% · Fee: Included in $240 examination fee
Preparing for the Plumber exam? State-specific contractor exam-prep courses help you pass the first time. Start exam prep →

Local / municipal notes

Master plumbing is regulated at the state level only; home improvement contractors performing plumbing may have additional municipal requirements

Frequently asked questions

How much does a New Jersey plumber license cost?

Application: $100. License: Assessed upon approval; amount not publicly disclosed. Renewal: $160 per biennial (2-year) cycle.

How do I look up a plumber license in New Jersey?

Search the official license database at newjersey.mylicense.com. The record shows whether the license is active and in good standing.

Do plumbers in New Jersey need a surety bond?

$3,000 surety bond (concurrent with license term; biennial renewal)

What experience is required for a New Jersey plumber license?

Four-year U.S. Department of Labor-approved apprenticeship program (including propane services education) plus one year (minimum 1,200 hours) of hands-on journeyman experience in New Jersey. Alternative: Bachelor's degree in mechanical, plumbing, or sanitary engineering plus one year (1,200 hours) of journeyman experience in New Jersey.

Is insurance required for plumbers in New Jersey?

Liability: — Workers' compensation: —

How often must a New Jersey plumber license be renewed?

Every 2 years; licenses expire June 30 of odd-numbered years. Continuing education: 5 hours of continuing education per biennial renewal cycle; must be completed by June 30

Fees and rules change frequently (often annually). This page was last verified on 2026-06-25 — always confirm current requirements directly with the New Jersey State Board of Examiners of Master Plumbers, Division of Consumer Affairs before applying. This is not legal advice.

Official sources

njconsumeraffairs.gov/plu
njconsumeraffairs.gov/plu/Pages/FAQ.aspx
njconsumeraffairs.gov/plu/Documents/Master-Plumbers-Application-Process-Overview.pdf
njconsumeraffairs.gov/News/Consumer Briefs/state-board-of-examiners-of-master-plumbers.pdf
rocketcert.com/construction/new-jersey/plumbing-license

Other New Jersey contractor licenses

⚡ Electrician
Electrical Contractor License
❄️ HVAC
Master HVACR Contractor License
🏗️ General Contractor
Home Improvement Contractor Business (HICB) License
🏠 Roofer
Home Improvement Contractor (Roofing)

Plumber licensing in other states

Alabama
Master Plumber / Journeyman Plumber Certification
Alaska
Certificate of Fitness - Plumbing
Arizona
CR-37 / C-37 / R-37R Plumbing
Arkansas
Journeyman / Master Plumber License
California
C-36 Plumbing Contractor
Colorado
Plumber License
Connecticut
Unlimited Plumbing Contractor (P-1) / Unlimited Plumbing Journeyperson (P-2)
Delaware
Master Plumber
Florida
Certified / Registered Plumbing Contractor (CILB)
Georgia
Master Plumber License (Restricted or Non-Restricted)
Hawaii
Journey Worker Plumber (PJ) / Master Plumber (PM) — individual licenses; C-37 Plumbing Contractor classification
Idaho
Plumber License
Illinois
Plumber License
Indiana
Journeyman Plumber, Plumbing Contractor
Iowa
Plumber License (Journey and Master Levels)
Kentucky
Plumber License
Louisiana
LSLBC Plumbing classification (company) + State Plumbing Board of Louisiana Journeyman/Master Plumber (individual)
Maine
Plumber
Maryland
Master Plumber/Gas Fitter / Journey Plumber/Gas Fitter License
Massachusetts
Plumber License (Journeyman / Master)
Michigan
Plumbing Contractor License (requires qualifying Master Plumber)
Minnesota
Plumbing Contractor License (with Master Plumber as Responsible Licensed Individual)
Mississippi
Commercial Plumbing Contractor (Mechanical Work – Plumbing specialty) / Residential Plumbing Contractor
Missouri
No statewide plumber license — journeyman and master licenses are issued by cities/counties (RSMo Ch. 341)
Montana
Plumber
Nebraska
No statewide license — Omaha Master Plumber License
Nevada
C-1 Plumbing and Heating Contractor
New Hampshire
Journeyman Plumber
New Mexico
MM-1 Plumbing Contractor
New York
Master Plumber License
North Carolina
Plumbing Contractor, Class I / Class II (and Restricted Limited Plumbing Contractor)
North Dakota
Plumber License
Ohio
Plumbing Contractor License
Oklahoma
Plumber License
Oregon
Journeyman Plumber (PJ) — issued by BCD; a separate CCB license is required to operate a plumbing contracting business
Pennsylvania
No statewide license — Philadelphia Master Plumber License
Rhode Island
Plumber
South Carolina
Mechanical Contractor - Plumbing (PB) [commercial]; Residential Specialty Contractor - Plumbing [residential]
South Dakota
Plumber
Tennessee
Contractor License, CMC-A (Plumbing and Gas Piping) classification
Texas
Tradesman / Journeyman / Master Plumber (TSBPE)
Utah
P200 General Plumbing Contractor / P201 Residential Plumbing Contractor (contractor license); individual Apprentice, Journeyman, and Master Plumber licenses are separate
Vermont
Plumber
Virginia
Contractor License (Class A/B/C) with Plumbing (PLB) specialty; plus individual Plumber Tradesman license (Journeyman/Master)
Washington
Plumber Certification (Journey Level / Specialty) + Plumbing Contractor License
West Virginia
Plumber
Wisconsin
Plumber License (Journeyman / Master Plumber)