The NC plumbing board licenses plumbing contractors as P-I for any building or P-II for single-family homes. Both need 4,000 hours, a $150 exam application with the Board, two PSI exams and a $150 activation fee, and every company must keep a licensed qualifier on staff.
North Carolina licenses plumbing at the contractor level through one agency, the State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors (SBPHFSC), which most people call the NC plumbing board. There is no statewide journeyman or master plumber license: the credential that lets a person or company contract plumbing work is the Board's plumbing contractor license, issued as Class I (P-I) for any building or Class II (P-II) for single-family detached homes.
At a glance
Issued by the State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors, Raleigh, 919-875-3612.
P-I covers plumbing in any building; P-II covers single-family detached dwellings only.
Both classes require 4,000 hours (two years) of experience, and up to half can be approved schooling.
Two exams through PSI, a technical exam and a business and law exam, for a $150 application fee ($75 application plus $75 exam).
Activate within 45 days of passing with a $150 license fee; every license expires December 31.
New to licensing in this state? Start with the North Carolina contractor license requirements, and for every other state see how to get a contractor license in each state.
Who the NC Plumbing Board Is
The Board was created by the General Assembly in 1931 and licenses plumbing, heating, fuel piping and fire sprinkler contractors. It has seven members appointed by the Governor, each serving a seven year term, including a licensed plumbing contractor, a city plumbing or mechanical inspector and a member of the public.
The office is at 1109 Dresser Court, Raleigh, NC 27609, and the main line is 919-875-3612. The Board offers 31 license qualifications, receives over 250 applications a month, and says review is currently averaging about six weeks.
North Carolina Plumbing License Classes
G.S. 87-21(b)(1) directs the Board to set two classes of license: Class I for all structures and Class II for single-family detached residential dwellings. Article 2 of Chapter 87 sets no dollar limit on either class, so the line between them is the type of building, not the size of the job.
| Class | What it covers | Experience | Exams |
|---|---|---|---|
| P-I Plumbing Contractor, Class I | Potable water and drain, waste and vent piping in any building: residential, commercial, industrial | 4,000 hours | Technical plus business and law |
| P-II Plumbing Contractor, Class II | The same systems in single-family detached dwellings only | 4,000 hours | Technical plus business and law |
| RLP Restricted Limited Plumbing Contractor | Exterior building sewer, exterior water service 2 inches or less, exterior backflow preventers on 2 inch or smaller piping, water filtration systems | 1,500 hours | Technical plus business and law |
| LWH Limited Plumbing Water Heater Replacement | Replacing a water heater in a single-family detached dwelling in the same location, with no more than 10 lineal feet of distribution piping | Two years holding a heating or fuel piping license plus a 6 hour course | Technical plus business and law |
| Plumbing Technician, Class I or Class II | Employee license listed under a contractor; cannot be used to contract | 3,000 hours (Class I) or 2,500 hours (Class II) | Technical plus Board laws and rules |
Most contractors building a real plumbing business want the P-I, because it follows you onto commercial and multifamily work. The P-II fits a company that only serves single-family homes, and the Water Heater Replacement class took effect June 1, 2026 under 21 NCAC 50 .0521.
North Carolina issues no statewide journeyman or master plumber card. The closest thing is the technician license: a technician listed under a contractor may supervise work for the contractor (21 NCAC 50 .0505) but can never contract on it (21 NCAC 50 .0403(c)). Limited electrical work that goes with plumbing and heating jobs needs a separate SP-PH license from the NC State Board of Examiners of Electrical Contractors.
Experience Requirements
The Board's 2026 application packet lists 4,000 hours for a Plumbing Contractor, Class I or Class II. Rule 21 NCAC 50 .0306(b) states the same requirement as two years of full-time experience in the installation, maintenance, service or repair of plumbing systems, whether or not a license was required for the work.
- Schooling credit: up to one-half, or 2,000 hours, may come from academic or technical training directly related to plumbing, which the Board describes as 45 quarter hours or 30 semester hours. The packet credits 66.66 hours of experience for each approved semester hour, and the courses must be part of a certificate, diploma or degree program at a college, community college or technical institute.
- Part-time work: the Board prorates work of fewer than 40 hours a week.
- Out of state hours: experience earned in other states can be submitted.
- What does not count: code enforcement official experience and certificates in engineering or other fields not directly related to plumbing.
- Military: current and former service members may use military experience, documented with a DD214 and sworn supervisor statements; military spouses may submit other state licenses with sworn statements.
Experience is proved on notarized employer forms backed by W-2s, 1099s or a Social Security earnings statement.
There is also a route to Class II for long-time licensees. Under G.S. 87-21(b)(3), a plumbing or heating licensee who has kept a license in good standing for at least 10 years may count that as experience for Class II, and the Board's current-licensee Class II application asks you to certify 10 consecutive years without lapses or discipline.
Step by Step: How to Get a Plumbing License in NC
- Pick the class. P-I for any building, P-II for single-family detached homes, or a restricted class if your work is that narrow.
- Document 4,000 hours. Collect the notarized experience forms and the tax records that back them.
- Order a background report. The Board requires a nationwide criminal record report from its named vendor, printed and included with the application.
- Buy the reference books. You certify on the application that you own every book on the Book Reference List for your class.
- Apply and pay $150. File by mail, in person or through the Board's online application portal.
- Wait for approval. The Board emails you when the review is done; if approved, you receive exam eligibility and PSI scheduling instructions.
- Test within 90 days. Schedule with PSI and sit both exams inside the 90 day authorization period on your approval letter.
- Activate within 45 days. Send the License Activation Form and the $150 fee within 45 days of passing, or you must retest.
The North Carolina Plumbing Exams
Every contractor applicant passes a technical exam and a separate business and law exam (G.S. 87-21(b)(6)), taken by computer through PSI Services LLC.
| Exam | Time allowed | Passing score |
|---|---|---|
| Plumbing Contractor technical | 4.0 hours | 70 of 100 |
| Business and Law | 1.5 hours | 70 of 100 |
| Restricted Limited Plumbing technical | 2.0 hours | 70 of 100 |
Exams are given daily at seven centers: Asheville, Charlotte, Winston-Salem, Raleigh, Fayetteville, Greenville and Wilmington. PSI reschedules at no charge with at least three days of notice.
The exams are open book. For the P-I, the Book Reference List calls for the 2018 North Carolina Administration Code, Plumbing Code, Fuel Gas Code and Residential Code, the Board's Laws and Rules book (2025 or 2026 edition) and Business and Project Management for Contractors (6th or 7th edition). The P-II list is shorter: the Administration Code, Residential Code, Laws and Rules and the business book.
Books are checked at the center: highlighting and permanent commercial tabs are allowed, notes and printed PDFs are not.
Exams stay on the 2018 codes until the delayed 2024 State Building Code takes effect; the Board's June 1, 2026 notice puts the earliest possible date at May 1, 2027.
You get a pass or fail result as soon as you finish. If you fail, you wait 90 days, file a Re-Examination Application with a $150 fee, and may first attend an exam review in Raleigh that shows the questions you missed.
- Under G.S. 87-21(b)(6), you may retake only the failed part within six months of the date you were approved to test.
- The Board may require more education, or a one year wait, after three failures of any part.
- If you pass the P-I technical exam but fail business and law, you may request a Class I Technician license based on the technical pass.
- A plumbing technician licensed by exam can move up to the contractor license in the same class by passing only the business portion, once the contractor experience is met.
How Much Is a Plumbing License in North Carolina?
Rule 21 NCAC 50 .1101(c), amended effective June 1, 2026, sets the application by examination at $150: a $75 application fee plus a $75 examination fee, nonrefundable. The Board's FAQ and its 2026 application packet both show $150 per exam.
| Fee | Amount | When |
|---|---|---|
| Application fee | $75 | With the exam application |
| Examination fee | $75 | With the exam application (total $150 per exam) |
| Re-examination | $150 per exam | Each retake |
| License activation (P-I, P-II or RLP) | $150 | Within 45 days of passing |
| Annual renewal, contractor | $150 | By December 31 each year |
| Second or later qualifier on a firm license | $75 a year | Annual |
| Add a licensee to a firm license | $25 | When the firm adds a qualifier |
| Late renewal | $25 | Paid after January 31 |
On the state side, a first-time P-I or P-II contractor pays $300 to the Board: the $150 application and the $150 activation. The background report is paid to the vendor, and the reference books are bought separately.
Two timing rules can lower the first bill. G.S. 87-22 lets someone who passes on or after October 1 take a license for the rest of that year at half the fee, and rule .1101(c) lets anyone who passes after November 1 choose a license for the following year instead.
For licensing costs across states, see our contractor license cost guide.
Renewal, Late Fees and Continuing Education
Every license issued by the Board expires on December 31, and renewal opens about October 1. The Board mails and emails renewal invoices in early October, but you are responsible for renewing even if the notice never arrives.
There is no grace period. Once the license expires, bidding, contracting, supervising and installing must stop until it is renewed, and a $25 late processing fee applies to renewals paid after January 31. A license expired for more than three years cannot be renewed; you must pass the exams again.
North Carolina does not require continuing education to renew. The requirement ended December 31, 2012 and was replaced with Disciplinary Education, which the Board can order after a complaint.
Moving to North Carolina From Another State
North Carolina has no license reciprocity agreements with any state. A plumber arriving from Missouri or anywhere outside the two routes below applies and tests like any other applicant, documenting out of state hours on the Board's forms.
Two routes can shorten the path:
- South Carolina technical exam waiver: a South Carolina Residential Plumbing license can support an NC Plumbing Class II, and a South Carolina Commercial Mechanical Plumbing (PB) license can support an NC Plumbing Class I. You must have passed the South Carolina technical exam, you still meet the North Carolina experience requirement and file the full application, and you still pass the North Carolina business and law exam.
- Neighbor State License Recognition: North Carolina residents licensed for at least one year in Georgia, South Carolina, Tennessee, Virginia or West Virginia may qualify for an equivalent license after submitting the Board's documents, a background report, a notarized statement and attending a free four hour Board Laws and Rules class.
Under G.S. 87-22.2, the Board will not license an out of state corporation or LLC until it holds a certificate of authority from the North Carolina Secretary of State.
Bonds, Insurance and Local Permits
Article 2 of Chapter 87 sets no surety bond for plumbing contractors. If a city, county or project owner asks for one, confirm it with them. General liability insurance is not a Board licensing condition, but most builders and owners expect it before you start.
Your license number must appear on every proposal, contract and permit request, and the license must be posted at your place of business (G.S. 87-21(e)).
G.S. 87-21(c) exempts drain cleaning and minor repairs that do not change the energy source, fuel type, or the routing or sizing of venting or piping, but it covers water heaters and whole-house water treatment. A company that also manages whole building projects of $40,000 or more needs a separate general contractor license under G.S. 87-1; see our North Carolina general contractor license guide.
What Your Company Needs: the Qualifier Rules
A company holds a North Carolina plumbing license only through a licensed individual. These rules decide whether a firm is legal on any given day:
| Rule | What it requires |
|---|---|
| G.S. 87-26 | A corporation, partnership or trade name is licensed only if an officer, general partner, owner or full time employee empowered to act holds the license, signs contracts and exercises general supervision to completion |
| 21 NCAC 50 .0404(a) | At each business location, a licensee in the right class, listed in the firm's name, is on duty the lesser of 1,500 hours a year or all hours the work happens |
| 21 NCAC 50 .0404(b) | No licensed work may be done on that person's qualification during hours the licensee is employed elsewhere |
| 21 NCAC 50 .0520 | A licensee of the firm personally supervises and reviews all work on site before it is covered or placed in service |
| 21 NCAC 50 .0407(c) | When the licensee leaves, the firm and the licensee each notify the Board within 30 days |
| Board FAQ | If the license holder cannot serve for any reason, all quoting, bidding, permitting and work in progress stops until another licensee is in place |
The qualifier angle. If you are a plumber, you can qualify your own company. If you own a plumbing company and do not hold the P-I or P-II yourself, or you are expanding into North Carolina, the practical path is a licensed plumbing contractor on your staff as a full time W-2 employee who actually supervises the work, signs the contracts and is on duty the hours rule .0404 demands. Our founders, Marshall Schofield and Jeremiah Jaskulski, built The Licensing Company around exactly that placement, and we place licensed qualifying agents as full time W-2 employees, never as names on paper. Learn what a qualifying agent is, how the plumbing contractor qualifying agent role works, and read the North Carolina qualifying agent guide.
Timing matters most when a qualifier resigns, because all contracting stops until a new licensee is listed.
Penalties for Unlicensed Plumbing Work
Contracting plumbing work without a license, working outside a limited license, or giving false evidence to the Board is a Class 2 misdemeanor under G.S. 87-25; a bona fide employee of a licensee is not treated as contracting.
The Board can also seek an injunction, and when it wins the court awards its attorney's fee up to $5,000 plus costs (G.S. 87-25.1). Licensees face revocation, suspension, reprimand or probation under G.S. 87-23 for fraud or deceit, violations of the Article or the Board's rules, gross negligence, incompetency or misconduct.
Frequently Asked Questions
What is the NC plumbing board and how do I contact it? It is the State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors, at 1109 Dresser Court, Raleigh, NC 27609. Call 919-875-3612 or use nclicensing.org for forms and license search.
Does North Carolina have a journeyman or master plumber license? Not at the state level. The Board licenses plumbing contractors (P-I and P-II) and plumbing technicians who work under a contractor.
What is the difference between P-I and P-II? P-I covers plumbing in any building, residential, commercial or industrial. P-II covers single-family detached dwellings only, and both need the same 4,000 hours.
How much experience do I need for a North Carolina plumbing license? Two years, or 4,000 hours, of full-time plumbing experience for either contractor class. Up to half can come from approved academic or technical training.
How much is a plumbing license in North Carolina? The Board charges $150 to apply for the exam ($75 application plus $75 exam) and $150 to activate the license. The contractor license then renews for $150 a year.
Where and how do I take the exam? Through PSI at seven North Carolina centers, within 90 days of your approval letter. You take a 4 hour technical exam and a 1.5 hour business and law exam, open book, and need 70 to pass each.
Does North Carolina accept my plumbing license from another state? There is no reciprocity. South Carolina licensees can use a technical exam waiver, and North Carolina residents licensed in a neighboring state may qualify under the Neighbor State License Recognition Act.
Do plumbing contractors in North Carolina need a bond? Article 2 of Chapter 87 does not set a surety bond for plumbing contractors. A local government or project owner may still ask for one, so confirm it with them.
Does my plumbing company need a qualifier? Yes. Under G.S. 87-26 a company is licensed only through an owner, officer, partner or full time employee who holds the license and supervises the work.
Talk to Us About a North Carolina Plumbing Qualifier
If your company needs a licensed plumbing contractor to qualify it in North Carolina, whether you are starting up, expanding into the state or replacing a qualifier who left, call us at 615-219-2110 or start at hire a qualifying agent. Working in the other North Carolina trades too? See the North Carolina HVAC license guide and the North Carolina electrician license guide, compare neighboring states in our South Carolina, Virginia, Tennessee and Georgia plumbing guides, or browse all state guides.
Figures in this guide come from the Board's rules, forms and pages as of September 26, 2026 and can change; verify them with the Board before you apply.
Sources
All sources retrieved 2026-09-26.
- NC Plumbing Board: Applicant Information, retrieved 2026-09-26
- NC Plumbing Board: FAQ, retrieved 2026-09-26
- NC Plumbing Board: License Renewal, retrieved 2026-09-26
- NC Plumbing Board: Forms, retrieved 2026-09-26
- NC Plumbing Board: License Definitions, Contractor (2026-06), retrieved 2026-09-26
- NC Plumbing Board: Exam Information 2026, retrieved 2026-09-26
- NC Plumbing Board: Plumbing, Heating and Fuel Piping Contractor Application Packet (2026-06), retrieved 2026-09-26
- NC Plumbing Board: Class II Exam Based on Current Licensure, retrieved 2026-09-26
- NC Plumbing Board: Re-Examination Application (2026-06), retrieved 2026-09-26
- NC Plumbing Board: License Activation Form, retrieved 2026-09-26
- NC Plumbing Board: Add Sublicensee Form, retrieved 2026-09-26
- NC Plumbing Board: 2026 Renewal Invoice, retrieved 2026-09-26
- NC Plumbing Board: Book Reference List, retrieved 2026-09-26
- NC Plumbing Board: State Building Code Update, June 1, 2026, retrieved 2026-09-26
- NC Plumbing Board: Neighbor State License Recognition Checklist, retrieved 2026-09-26
- NC Plumbing Board: Request for Exam Review, retrieved 2026-09-26
- NC Plumbing Board: Board Laws and Rules (21 NCAC 50 index), retrieved 2026-09-26
- 21 NCAC 50 .0301, Qualifications Determined by Examination, retrieved 2026-09-26
- 21 NCAC 50 .0305, Passing Grade, retrieved 2026-09-26
- 21 NCAC 50 .0306, Applications and Issuance of License, retrieved 2026-09-26
- 21 NCAC 50 .0403, Use of License (OAH), retrieved 2026-09-26
- 21 NCAC 50 .0404, Active Employment, retrieved 2026-09-26
- 21 NCAC 50 .0406, Responsibility of Licensed Person Employed by Firm, retrieved 2026-09-26
- 21 NCAC 50 .0407, Corporations, Partnerships and Trade Names (OAH), retrieved 2026-09-26
- 21 NCAC 50 .0505, General Supervision and Standard of Competence, retrieved 2026-09-26
- 21 NCAC 50 .0518, Restricted Limited Plumbing Contractor License, retrieved 2026-09-26
- 21 NCAC 50 .0520, Onsite Supervision, retrieved 2026-09-26
- 21 NCAC 50 .0521, Limited Plumbing Water Heater Replacement Contractor License, retrieved 2026-09-26
- 21 NCAC 50 .1101, Examination Fees, retrieved 2026-09-26
- 21 NCAC 50 .1102, License Fees, retrieved 2026-09-26
- North Carolina General Statutes, Chapter 87, Article 2, retrieved 2026-09-26
- North Carolina General Statutes, G.S. 87-1, retrieved 2026-09-26
- NC Boards and Commissions: Board Profile, retrieved 2026-09-26
Disclaimer: This article is provided for educational and informational purposes only. It does not constitute legal advice, licensing guidance, or an offer of services. Licensing requirements vary by jurisdiction. For specific compliance questions, contact The Licensing Company for a confidential consultation.