Contact Us - Plumbing

Maryland Board of Plumbing
100 S. Charles Street, Tower I,
Baltimore, Maryland 21201
410-230-6379 (Baltimore area) or 1-888-218-5925 (toll free)
Fax: 410-962-8483
Dial 7-1-1 to place a call through Maryland Relay
e-mail: DLOPLplumbing-LABOR@maryland.gov

GENERAL INFORMATION 410-230-6379 (Baltimore area) or 1-888-218-5925 (toll free)
For in-person assistance Monday through Friday from 10:00 a.m. – 4:00 p.m., please schedule an appointment online.