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Plumbers Reciprocal Application


Type of Reciprocity for Which I am Applying (choose one):

Reciprocity, Intrastate (local to State): I am applying for a State Master or Journey Plumber/Gas Fitter license based upon holding a current license with a local jurisdiction within Maryland:
Reciprocity, Interstate (other state to Maryland): I am applying for a Maryland State Master or Journey Plumber/Gas Fitter license, based upon holding a current, statewide license from another state.

Type of License for Which I am Applying (choose one):

Note the different requirements, listed above, for Intrastate (local to State) and Interstate (other state to Maryland) reciprocal licensing. For Interstate licensing, there are further requirements, which depend upon the type of license (Master or Journey) for which you are applying. You will be required to obtain proof in letter form of your qualifications, sent from the state board of your current licensure to the Maryland State Board of Plumbing. The requirements are listed below, under each option:

Master Plumber license:

    The following are additional requirements for Interstate reciprocity only:

  1. That you currently hold an active master plumbing license in good standing, issued by another state. That license must not have been obtained through reciprocity,
  2. That you obtained your license by passing a written code-based examination or by grandfathering,
  3. That you completed at least 11,250 hours of training in providing plumbing services, under the direction and control of a licensed master plumber,
  4. That at least 2 years were served as a licensed journey plumber and
  5. That you completed at least 32 hours of training in the testing of backflow prevention devices in a manner, approved by the Board.

Journey Plumber license:

    The following are additional requirements for Interstate reciprocity only:

  1. That you currently hold an active journey plumbing license in good standing, issued by another state. That license must not have been obtained through reciprocity,
  2. That you obtained your license by passing a written code-based examination or by grandfathering,
  3. That you held, for at least 4 years, an apprentice plumber license or an equivalent, issued by another state,
  4. That during that period, you completed at least 7,500 hours of training in providing plumbing services under the direction and control of a licensed master plumber (the Board may allow you to substitute up to 1,500 hours of accredited, approved school study for the experience requirement) and
  5. That you completed at least 32 hours of training in the testing of backflow prevention devices in a manner, approved by the Board.



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