Plumbing Installation Licensing in District of Columbia
Indexation gate: passedDistrict of Columbia plumbing regulatory compliance: Sanitary plumbing piping, water supply, and gasfitting require a licensed Plumbing Contractor and designated Master Plumber / Gasfitter certified by the DC Board of Industrial Trades under D.C. Code § 47-2853.06. All rough-in work requires plumbing permits issued through DLCP.
Key Requirements & Legal Mandates
Clean Hands Certification Requirement (D.C. Code § 47-2862)
dc:statute:clean-hands-47-2862Under the Clean Hands Act (D.C. Code § 47-2862), no license or permit may be issued to any contractor or business that owes more than $100 in outstanding taxes, fees, or penalties to the District of Columbia government.
Notes: Must be certified online prior to BBL issuance or building permit approval.
DC Plumbing & Gasfitting Contractor Mandate
dc:agency:trade-licenses-directoryUnder D.C. Code § 47-2853.06 and 17 DCMR Chapter 39, plumbing and gas piping installations require a licensed Plumbing Contractor and designated Master Plumber / Gasfitter.
Mandatory Workers' Compensation Insurance (D.C. Code Title 32)
dc:statute:workers-comp-title-32Under D.C. Official Code Title 32 Chapter 15, all employers in the District of Columbia employing one or more employees must secure statutory workers' compensation insurance.
District Building & Trade Permit Mandate (12A DCMR)
dc:statute:dc-code-47-2851Under 12A DCMR § 105.1, no construction, enlargement, alteration, repair, structural roofing, or trade installation may begin in the District without a valid permit issued by DLCP.
Applicable License Classifications
Plumbing & Gasfitting Contractor
dc:agency:trade-licenses-directoryTrade license authorizing the installation and maintenance of sanitary drainage, venting, water supply, and fuel gas piping systems. Must designate a licensed Master Plumber and Gasfitter.
Guidance: Plumbing piping and fixture installations require a licensed Plumbing Contractor and Master Plumber.