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North Carolina Plumbing License (Class I and II)

License Requirements

Requirements to Obtaining your License

  • Anyone who engages in or offers to engage in the business of plumbing must be licensed by the State of North Carolina.
  • Applicants must submit a completed application to get pre-approval from the State Licensing Board to take the exam.
  • You are required to have a total of 4000 hours to sit for any single plumbing examination. 2000 hours may include service or maintenance work but you must have a minimum of 2000 hours hands-on work in installation, layout and design of plumbing systems.
Work Under this License

Work that can be Done Under this License

Plumbing is deemed and held to be: the system of pipes, fixtures, apparatus and appurtenances, installed upon the premises, or in a building, to supply water thereto and to convey sewage or other waste therefrom.

The two classifications for a North Carolina plumbing license are Class I and Class II.

  • A Class I plumbing license is for commercial, residential, industrial and institutional buildings whereas
  • A Class II plumbing license is for single family detached residential dwellings only.
Applications for a License

Applying to get your License

An application can be obtained from the North Carolina State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors by calling (919) 875-3612.


Reciprocity Agreements

As of this time there are no agreements in place.

Continuing Education

Continuing Education

Requires 6-hours a year.


Exam Details

  • The plumbing exam is open book and has a fee of $100.
  • 70% is required to pass.
  • The examination is open book.
  • To schedule your exam, contact PSI at 1-800-733-9267.

Books and References for the Exam

These references are allowed to be taken into the examination. They are available for purchase from our online bookstore or by calling 1-800-952-0910.

  • 2012 North Carolina Administration Code
  • 2012 North Carolina Fuel Gas Code
  • 2012 North Carolina Plumbing Code

The following reference can be purchased directly from the North Carolina State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors by calling (919) 875-3612.

  • Business and Project Management for Contractors, North Carolina

The following reference may be viewed and printed online free of charge.

Exam Review and Education

Exam Review, Training, Education

We do not offer a review for the North Carolina Plumbing exam at this time. Courses are always under development so please continue to check back with us. We do stock all of the approved reference materials in our bookstore. Please call us at 1-800-952-0910 or you can purchase online.

Buy Now, Reference Books

Reference Books

Our online store offers hundreds of books at the best pricing possible.

To find books for your exam, click here and then click "State Exam".