Groundcheck/Maryland/Plumber License
Plumber verification · Maryland

Check plumber license in Maryland.

Verify any plumber in Maryland for free. Groundcheck pulls Maryland State Board of Plumbing license status, entity registration, court judgments, OSHA citations, and BBB complaints. Every line sourced. The contractor is never notified.

Verify a Maryland plumber
MD Plumber licensing requirements

Maryland plumber licensing.

State license required

Maryland licenses Master and Journey Plumbers at the state level through the State Board of Plumbing.

Licensing boardMaryland State Board of Plumbing
License classMaster Plumber / Journey Plumber / Apprentice
What we check

Six classes of public record for Maryland plumbers.

State license standing
Active, lapsed, revoked, or expired status from the MD plumber licensing board.
Entity registration
Secretary of State filing status: active, dissolved, or administratively revoked.
Court judgments & liens
Public court filings, UCC liens, and judgment records in Maryland.
OSHA safety record
Federal OSHA inspection history, citations, and penalty amounts. Installs, repairs, and maintains water supply, drainage, gas, and sewer systems in residential and commercial buildings-specific.
BBB complaints
Better Business Bureau complaint history and accreditation status.
Phoenix detection
Dissolved entities reopening under a new name at the same address.
Coverage

Verify plumbers in any Maryland city.

Groundcheck covers every plumber and contractor entity registered in Maryland, including:

Don’t hire a plumber blind in Maryland.

One search. Six record classes. A clear verdict in under 90 seconds.

Verify a Maryland plumber