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Plumbing Contractor


Path to the Plumbing Contractor License

The following are the license categories for plumbing contracting which is the highest ranking plumbing license.  Generally, one works for a contractor as a registered apprentice to gain verifiable experience requirements to become a journeyman, who also works for a contractor, to earn verifiable experience requirements to become a contractor. 


Contractor License Requirements

Applicant Requirements

  1. Applicants for a contractor license must meet the same requirements as a journeyman which are below:

    Applicants for the journeyman examination must be:

    • eighteen (18) years of age or older and have either:
    • three (3) years of experience in the plumbing trade while employed by a licensed plumbing contractor, or
    • equivalent verifiable three (3) years of experience in the plumbing trade while serving in the U.S. military, or
    • a verifiable out-of-state plumbing license that must be:
      • current, and
      • in good standing

  2. Applicants for a contractor license must meet the same requirements as a journeyman with an additional one (1) year of experience in the Plumbing trade.

    The following may be substituted for a portion of the experience requirement:
    An associate degree or Career Tech diploma certifying completion of a plumbing educational program consisting of a minimum of 1000 classroom hours from a school, approved by the Committee, may be substituted for two (2) years of experience. A Career Tech diploma certifying completion of an educational program consisting of a minimum of 500 classroom hours from a school, approved by the Committee, may be substituted for one (1) year of experience.

For complete information on licensing requirements see the Plumbing License Law of 1955 and Plumbing Industry Regulations.


Active Contractor Requirements

Once a contractor please see the contractor requirements to keep an active license concerning bond and insurance, apprentices and the display of licenses.