New York Plumber License Requirements

New York does not have one statewide plumber credential. The New York Department of State says contractor and trade licensing is governed by local laws, so applicants must check the building department for the job jurisdiction. This guide covers the New York City Department of Buildings (DOB) Master Plumber license—the relevant credential for plumbing work in the five boroughs. NYC has multiple experience pathways, written and practical examinations, and business-insurance requirements; it does not make all applicants complete seven years exclusively under an NYC Master Plumber.

Who Regulates This Work

Local plumbing authorities; New York City Department of Buildings example (AHJ / NYC DOB) is the primary authority or official reference used for this guide. The controlling authority cited here is Local law controls plumbing licensing. New York City administers Master Plumber licenses under its Construction Code and Department rules.. New York local governments administer plumbing credentials, permits, and inspections. New York City’s Department of Buildings is the authority for the five boroughs and licenses Master Plumbers.

Official reference: https://www.nyc.gov/site/buildings/industry/obtain-a-master-plumber-license.page
Address: 280 Broadway, New York, NY 10007
Phone: (212) 393-2259

State and Local Eligibility Rules

There is no single statewide application for this work, so this guide does not impose a uniform applicant-age, identification, or tax-number rule. Check the business, specialty-trade, and local authorities that govern the actual project. There is no statewide plumber-license application or residency rule. The project jurisdiction sets local eligibility. NYC requires a Master Plumber applicant to be at least 18, and the business path requires an officer, partner, or sole proprietor of a business with a compliant NYC commercial-zone location.

State-level applicant screening

No statewide plumber character standard applies. NYC DOB requires an applicant to have good moral character and fitness to perform the work.

Background-check requirements

No statewide plumber background-check program applies. NYC’s published DOB process requires a background investigation and the listed DOB NOW supporting documents.

Experience and Scope Requirements

No single statewide year-based experience threshold governs the local or scope-specific path described here. The controlling requirement is New York has no statewide plumber experience threshold. For NYC, the standard route is at least seven total years within the ten years before application in installation plus planning/design of plumbing systems under direct, continuing supervision of a Licensed Master Plumber in the United States, including at least two years as a registered Journeyman Plumber. DOB also publishes degree, NYS architect/PE, city-agency maintenance, and inspection-experience routes with their own limits and New York City experience requirements..

Relevant records and local documents

Use the project jurisdiction’s current local licensing instructions.
For NYC: Experience Verification Form completed by each supervising Master Plumber—not HR or the applicant
For NYC: Social Security History of Earnings, pay documentation, examination score reports, physical form, identification, and current business/insurance documents

Education and scope boundaries

No statewide substitution exists. NYC publishes alternative degree, NYS architect/PE, city-agency, and inspection-experience pathways; each has its own conditions.

Testing Requirements

Testing provider or authority: NYC Department of Buildings examination administrator. The following examination requirements cover the pathways described in this guide; follow each part's classification, waiver, and local-scope conditions. Unpublished format details do not remove an examination requirement:

NYC Master Plumber written examination — question count: confirm with the authority, timing: confirm with the authority, passing score 70%
NYC Master Plumber practical examination — question count: confirm with the authority, timing: confirm with the authority, passing score: confirm in the current candidate bulletin

Examination fee: $585 for the written examination application and $530 for the practical examination application. Candidates have 24 months after written-exam notification to pass the practical examination.

Retake policy: DOB’s current page states the 24-month written-to-practical deadline but does not publish the former universal six-month/three-attempt rule. Follow the current Candidate Information Bulletin and examination administrator instructions.

Insurance, Bonds, and Project Requirements

No statewide contractor-license bond applies to the local or scope-specific path described here. A city, county, permit authority, public owner, or project contract may still require a bond, so confirm the actual project requirements before bidding.

General liability

A Master Plumber business must maintain general liability insurance. NYC’s licensing rule requires at least $1 million combined single limit per occurrence for Master Plumber CGL, from a qualifying insurer, with the required cancellation/notice endorsement. DOB’s current Master Plumber materials also require workers’ compensation and disability insurance. The current DOB Master Plumber page does not list a $25,000 surety bond.

Workers' compensation

All Master Plumber businesses must have workers’ compensation and disability insurance under DOB’s current license guide. Submit or maintain the current certificates through DOB NOW as required.

Financial or filing requirements

DOB’s current Master Plumber application and renewal pages do not list a financial statement, net-worth requirement, or blanket Master Plumber surety bond.

State and Local Fees

Fee	Amount
Application or registration	No separate amount recorded; confirm in the fee guidance
Examination	$1,115
Initial credential or registration	$250
Renewal or recurring charge	$225

To budget for the applicable registration, permits, insurance, and project requirements, open the cost calculator preloaded for New York plumber.

Renewal and Ongoing Compliance

There is no single statewide license-renewal cycle for the New York City Master Plumber License (New York licensing is local); renew each applicable local registration, business filing, permit-related credential, or specialty license on the schedule set by its issuing authority. There is no single statewide renewal fee for this path; local and scope-specific charges vary by authority. There is no statewide renewal cycle. NYC’s Master Plumber term is three years; renew in DOB NOW with the current physical form, continuing-education certificate, and $225 total fee.

Continuing education: No statewide plumber continuing-education rule exists. NYC’s local Master Plumber renewal requires the original 7-hour continuing-education certificate.

Out-of-State Credentials and Local Recognition

New York has no single statewide credential for this path to transfer through NASCLA. An authority may consider an outside license, examination, or experience record only under its own current rules.

Reciprocal State	Accepted Exam	Conditions
No formal bilateral reciprocity agreements identified.

NYC DOB’s current Master Plumber page does not publish a reciprocal Master Plumber license route. This does not make all out-of-city work useless: the standard supervised-experience route permits experience under a Licensed Master Plumber in the United States, subject to the stated Journeyman and other qualification conditions. Confirm an individual record with DOB.

Weighing more than one jurisdiction? The national hub compares published Plumber license requirements by state — exam, bond, fee, and experience thresholds side by side.

Plumber Licensing in Neighboring States

Contractors working near a state line, or weighing where to qualify first, should compare New York's requirements against the bordering jurisdictions before bidding or beginning work:

Connecticut Plumber License Requirements — Connecticut P-2 Unlimited Journeyperson Plumber and P-1 Unlimited Plumbing Contractor
Massachusetts Plumber License Requirements — Massachusetts Apprentice, Journeyman, and Master Plumber Requirements
New Jersey Plumber License Requirements — New Jersey Master Plumber License
Pennsylvania Plumber License Requirements — Pennsylvania Plumber — Local Licensing; No Statewide Trade License
Vermont Plumber License Requirements — Vermont Master and Journeyman Plumber License

Step-by-Step Compliance Roadmap

Identify the local jurisdiction. New York trade licensing is local. For work in NYC, use the DOB Master Plumber route; for another city, town, village, or county, ask its building department what local licensing and permit rules apply.
Choose the applicable NYC experience route. Compare the standard seven-year route with DOB’s published engineering-degree, architect/PE, city-agency, and inspection alternatives before documenting experience.
Collect the experience and earnings evidence. Have each supervisor complete the Experience Verification Form and obtain the required Social Security earnings history, pay records, and current supporting documents.
Apply for the written examination. Use DOB NOW’s License Exam Application/Payment function and pay the current $585 written-exam fee.
Pass the practical examination. After passing written, apply and pay $530 for the practical. Complete it within 24 months of the written-exam notification.
Submit the background and business application. File the required physical, experience, earnings, identity, business-location, entity, and insurance documents through DOB NOW: Licensing within the stated deadline.
Maintain the license and permits. Renew every three years with the required 7-hour course and current documents. Use DOB NOW: Build for the project’s plumbing filings and permits.

Pre-Work Checklist

Before bidding or beginning work, confirm each item below with the authorities that govern the project location and scope:

Local-jurisdiction check; NYC Master Plumber only covers NYC
Correct DOB experience-route evidence and Experience Verification Forms
Social Security History of Earnings, latest pay stub/W-2, ID, and physical examination form
$585 written-exam and $530 practical-exam applications
Passing written and practical results
NYC-compliant commercial-zone business location and relevant entity documents
$1 million per-occurrence CGL plus workers’ compensation and disability insurance
$200 initial license fee and $50 new seal fee
7-hour course and $225 fee for each three-year renewal

Common Compliance Mistakes

The issues below are the most likely to create an unlicensed-work, registration, permit, or scope problem for New York Plumber work, based on the official sources cited on this page.

Applying NYC rules statewide

New York contractor and trade licensing is local. A city’s Master Plumber license is not a statewide credential.

Discarding qualifying U.S. experience automatically

The standard NYC route permits supervised experience under a Licensed Master Plumber in the United States, while also requiring the stated Journeyman component. Review the full experience pathway before assuming work cannot count.

Using obsolete $525 and $50 fee figures

DOB currently lists $585 written, $530 practical, $200 initial license plus $50 seal, and $225 renewal fees.

Budgeting for an invented $25,000 bond

DOB’s current Master Plumber materials require insurance, not the claimed blanket $25,000 Master Plumber surety bond.

Missing the 24-month practical-exam deadline

After written-exam notification, the practical examination must be passed within 24 months.

Official References and Preparation Materials

These materials are drawn from the regulator's own citations and the references applicants commonly use to prepare. CLR receives no compensation for listing them.

NYC Master Plumber Candidate Information Bulletin — NYC Department of Buildings. Use the current bulletin for the written examination plan, current code references, and testing instructions.
NYC DOB Master Plumber licensing guide — NYC Department of Buildings. Primary requirements for experience routes, examination applications, background review, business documents, and insurance.
NYC Plumbing Code and DOB plumbing filing resources — City of New York. Use the current adopted NYC code and DOB NOW filing materials for New York City work.

Other New York Trade Licenses

Looking at a different trade? CLR also publishes these New York licensing guides:

Frequently Asked Questions

Does New York State license plumbers?

New York does not use one statewide plumber license for ordinary plumbing contracting. The Department of State says contractor and trade licensing is a local-law issue; contact the building department for the project jurisdiction. NYC has its own Master Plumber credential.

How much experience does NYC require for a Master Plumber?

The standard path is seven total years in the preceding ten, with at least two years as a registered Journeyman Plumber. DOB also publishes alternate pathways for specified engineering degrees, NYS architects/PEs, city-agency work, and inspection experience. The former claim that every year must be supervised by a NYC Master is incorrect.

What are the current NYC Master Plumber examination fees?

DOB lists $585 for the written exam application and $530 for the practical exam application. The written examination requires a 70% passing score, and the practical must be passed within 24 months of written-exam notification.

Does a NYC Master Plumber need a $25,000 bond?

No $25,000 Master Plumber bond is listed in DOB’s current Master Plumber licensing materials. DOB requires qualifying general liability insurance, workers’ compensation, and disability insurance for the Master Plumber business.

How often does the NYC Master Plumber license renew?

The license term is three years. DOB’s current renewal page requires a 7-hour continuing-education certificate, a recent physical examination form, and a $225 renewal fee consisting of the license and seal fees.

Primary Sources

Regulatory requirements on this page are drawn from the official board, statute, and exam-provider materials listed below.

Verified 2026-09-04 · Next scheduled review 2026-12-03

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Corrections and presentation updates

2026-09-30: Corrected examination detection when format details are unpublished and updated the summary layout and requirements score. Source-check dates are unchanged.
2026-09-08: Shared template updated to distinguish unspecified eligibility requirements, retain cost qualifications, and use consistent headings. Source-check dates are unchanged by presentation updates.
2026-09-21: Local-only guides now use a compliance-focused structure and terminology instead of implying a statewide license application. Source-check dates are unchanged by this presentation update.