Plumber license requirements in North Carolina.
North Carolina licenses plumbing contractors at the state level through the State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors, a board created by the General Assembly in 1931. Plumbing contractor licenses are issued in three classes by scope of work, and each class has its own qualifying exam.
What North Carolina requires.
Plumbing Contractor — Limited
The entry classification, covering smaller-scope residential and light commercial plumbing as defined by the board.
Plumbing Contractor — Intermediate
A broader scope of residential and commercial plumbing than the limited class.
Plumbing Contractor — Unlimited
Authorizes plumbing work without the scope restrictions of the lower classes.
Getting the Plumbing Contractor — Limited
- Qualify for the class of license you want — scope is defined by the board and increases from Limited to Intermediate to Unlimited
- Pass the qualifying examination for that specific class (each class is examined separately)
- Apply through the board, which administers licensing for plumbing, heating, and fire sprinkler contractors statewide
- · Check the board’s current exam information page for the scope definitions and experience documentation attached to each class before you apply.
The official board
North Carolina State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors
(919) 875-3612
Visit the boardVerified 2026-08 against the sources below. Licensing rules change — confirm with the board before relying on this page.
North Carolina plumbing licensing FAQ.
Do you need a license to do plumbing work in North Carolina?
Yes. North Carolina requires a plumbing contractor license from the State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors. The license is issued in classes, and you must pass the qualifying exam for the class that covers your work.
What are the plumbing license classes in North Carolina?
Three: Limited, Intermediate, and Unlimited plumbing contractor. Scope increases with each class, and each one has its own qualifying examination administered by the board.
Who licenses plumbers in North Carolina?
The North Carolina State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors, created by the General Assembly in 1931. The same board licenses plumbing, heating, and fire sprinkler contractors.
Do you have to take a separate exam for each plumbing license class in North Carolina?
Yes. Each class — Limited, Intermediate, and Unlimited — requires its own qualifying examination, so moving up in scope means sitting the exam for that class.
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