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MD · Plumbing

Plumbing in Maryland

What we confirmed about the path from apprentice to journeyman plumber in Maryland, with the official link for each item. Anything we couldn’t confirm is flagged.

A plumber in work gloves fits a pipe connection

Licensing rules

Plumbing licensing rules
Who licenses this trade State: apprentice, journey and master plumber/gas fitter licensesOfficial source: labor.maryland.gov
Apprentice registration Yes. An apprentice license is required (held at least 4 years before the journey license)Official source: labor.maryland.gov
Experience before the journeyman exam Apprentice license held at least 4 years, 7,500 hours under a licensed master plumber, 32 hours of backflow training, and examOfficial source: labor.maryland.gov
Apprentices per supervisor Not yet confirmed with an official source, check the official link.
Who can supervise an apprentice A licensed master plumberOfficial source: labor.maryland.gov

Last checked . 4 of 5 items confirmed against official sources; flagged items are still pending. Main board: Maryland State Board of Plumbing (Maryland Department of Labor).

Plumbers and apprentices in Maryland

No profiles in Maryland yet. Every profile is opt-in, so the list starts empty and grows as people join.

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Next steps

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Electrical in Maryland · HVAC in Maryland · Maryland overview · Plumbing in every state