Official-source review: August 27, 2026
New Jersey plumbing license: New Jersey plumbing must be performed by a master plumber, an authorized plumbing contractor or W-2 employees working under the permitted structure. The Master Plumber license is the contracting credential, with a pressure seal and bona fide representative requirements.
What the New Jersey plumbing license covers
New Jersey plumbing must be performed by a master plumber, an authorized plumbing contractor or W-2 employees working under the permitted structure. The Master Plumber license is the contracting credential, with a pressure seal and bona fide representative requirements.
- Plumbing contracting and supervision under the active master-plumber license and entity relationship.
- Work only within the issued classification.
- Obtain all local permits and inspections.
Compare related occupations and states in the License Finder.
New Jersey plumbing license requirements at a glance
| Requirement | Current rule or route |
|---|---|
| Route | Registered apprentice and journeyman progression to licensed Master Plumber and bona fide representative |
| Eligibility | Four-year approved apprenticeship followed by at least one year and 1,200 hours of practical New Jersey journeyman plumbing experience. |
| Exam | Board-approved Master Plumber licensing examination. |
| Fees | $100 application plus examination and initial license fees; renewal is currently $160 and project permits are separate. |
| Bond or insurance | Maintain business liability, workers compensation and all bond or permit documentation required for the entity and project. |
| Renewal | Biennially by June 30 of odd-numbered years; current published renewal fee is $160. |
Do not treat this table as an approval notice. The agency, certification organization or local jurisdiction makes the final eligibility decision and may request additional evidence.
How to complete the New Jersey plumbing license process
- Identify the exact individual and business credential.
- Complete the published education and experience.
- Pass each required examination.
- Submit applications, verification and fees.
- Obtain insurance and project permits.
- Renew on time and retain required records.
Keep copies of every experience certificate, examination result, bond or insurance filing and payment receipt. Names and business entities should match across the application and supporting documents.
Important New Jersey rules and boundaries
- Individual and business credentials can be separate.
- A state credential does not replace project permits.
- Related classifications are not interchangeable.
- The issuing authority makes the final eligibility decision.
New Jersey may separate the credential held by a worker from the contractor license held by the business, while preserving local authority over permits and inspections. Confirm every applicable layer before bidding, advertising or beginning regulated work.
New Jersey plumbing license cost and renewal
Budget separately for applications, examinations, education, insurance, business credentials and project permits.
Renew each individual and business credential separately and verify current charges before filing.
Government charges are only part of the expected cost. Training, examination preparation, fingerprints, surety premiums, insurance, equipment calibration and local permits can add to the total.
New Jersey plumbing license checklist
- Confirm that this credential matches the exact work you will perform.
- Check whether the applicant is an individual, sole owner or separate business entity.
- Collect experience and training records before submitting the application.
- Use the current official form and fee schedule.
- Complete every required examination or approved certification route.
- File bonds, insurance and fingerprints when applicable.
- Check county, city, water supplier and building-permit rules.
- Save the expiration date and renewal requirements.
Frequently asked questions
Is this credential statewide?
It depends on the occupation. New Jersey licenses several trades statewide while septic work also depends on local health-department approval.
Is an exam required?
Board-approved Master Plumber licensing examination.
When does it renew?
Biennially by June 30 of odd-numbered years; current published renewal fee is $160.
Are project permits separate?
Yes.
Official sources used
Verified licensing details
- Jurisdiction
- state license, business registration or local permit, depending on the occupation and scope
- Licensing authority
- New Jersey State Board of Examiners of Master Plumbers
- Fees
- $100 application plus examination and initial license fees; renewal is currently $160 and project permits are separate.
- Experience
- Four-year approved apprenticeship followed by at least one year and 1,200 hours of practical New Jersey journeyman plumbing experience.
- Exams
- Board-approved Master Plumber licensing examination.
- Insurance or bond
- Maintain business liability, workers compensation and all bond or permit documentation required for the entity and project.
- Continuing education
- Five continuing-education credits per biennial period.
- Renewal period
- Biennially by June 30 of odd-numbered years; current published renewal fee is $160.
Official sources
Official sources last checked August 26, 2026.
Requirements can change and local rules may apply. Confirm the current requirements with the official authority before paying a fee or beginning work.