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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.

How do I become a plumbing apprentice in Maryland?

Short answer:Who licenses this trade: State: apprentice, journey and master plumber/gas fitter licenses. Apprentice registration: Yes. An apprentice license is required (held at least 4 years before the journey license). 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 exam. Who can supervise an apprentice: A licensed master plumber.

Last checked. Official source: labor.maryland.gov.

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).

Frequently asked questions

Who licenses plumbers in Maryland?

State: apprentice, journey and master plumber/gas fitter licenses.Source: labor.maryland.gov

Do plumbing apprentices have to register in Maryland?

Yes. An apprentice license is required (held at least 4 years before the journey license).Source: labor.maryland.gov

How much experience do you need before the journeyman plumber exam in Maryland?

Apprentice license held at least 4 years, 7,500 hours under a licensed master plumber, 32 hours of backflow training, and exam.Source: labor.maryland.gov

Who can supervise a plumbing apprentice in Maryland?

A licensed master plumber.Source: labor.maryland.gov

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

Plumbing in nearby states: District of Columbia · Delaware · Pennsylvania · Virginia · West Virginia