Code of the District of Columbia

Part I. Plumbers or Gasfitters.


§ 47–2853.121. Scope of practice for plumbers or gasfitters.

(a) For the purposes of this part, the term “plumber” means any person who designs, installs, repairs or removes plumbing fixtures intended to receive and discharge water, liquid, or water-carried wastes into the drainage system with which they are connected; or who introduces, maintains or extends a supply of water through a pipe or pipes, or any appurtenance thereof, in any building, lot premises, or establishment; or who connects or repairs any system of drainage whereby foul, waste, or surplus water, sewer gases, vapor or other fluid is discharged or proposed to be discharged through a pipe or pipes from any building, lot, premises or establishment into any public or house sewer, drain, pit, box filter bed or other receptacle or into any natural or artificial watercourse flowing through public or private property; or who ventilates any building, sewer or fixture or appurtenance connected therewith; or who excavates any public or private street, highway, road, court, alley or space for the purpose of connecting any building, lot, premises, or establishment with any service pipe, house sewer, public water main, private water main, public sewer, private sewer, subway, conduit, or other underground structure.

(b) For the purposes of this part, the term “gasfitter” means any person who designs, fabricates, installs, tests or operates any nonindustrial type of gas appliance and piping system from the outlet of the meter set assembly, or from the outlet of the service regulator when a meter is not provided, to the inlet connections of appliances, for fuel gases such as natural gas, manufactured gas, undiluted liquefied petroleum gas, liquefied petroleum gas-air mixtures or mixtures of any of these gases; or who introduces, maintains or extends a supply of a gas through a pipe or pipes, or any appurtenance thereof, in any building, lot premises, or establishment; or who ventilates any fixture or appurtenance connected therewith; or who excavates any public or private street, highway, road, court, alley or space for the purpose of connecting any building, lot, premises, or establishment with any service pipe.


(Apr. 20, 1999, D.C. Law 12-261, § 1002, 46 DCR 3142.)

Prior Codifications

1981 Ed., § 47-2853.121.


§ 47–2853.122. Eligibility requirements.

(a) An applicant to be an apprentice plumber shall be registered by the Mayor, without examination, upon providing such information as may be required by the Board of Industrial Trades and payment of appropriate fees. An apprentice plumber shall work only under the direct personal supervision and control of a licensed master plumber/gasfitter or master gasfitter.

(b) An applicant for licensure as a journeyman plumber or journeyman gasfitter shall establish to the satisfaction of the Board of Industrial Trades that the applicant has:

(1) Worked as an apprentice plumber or gasfitter for at least 8,000 hours over at least 4 years;

(2) Graduated from an accredited college or university with a degree in mechanical engineering, and has at least 2 years of practical experience as a plumber or gasfitter as verified by a licensed master plumber or licensed master gasfitter; or

(3) Has comparable experience or a combination of education and experience that the Board deems equivalent to the above; and

(4) Such additional evidence as the Board determines is necessary for the particular specialty license sought by the applicant.

(b-1)(1) The Board shall accept, in lieu of examination and the requirements set forth in subsection (b) of this section, a certificate from a national certifying organization certifying that the applicant:

(A) Has completed the organization’s apprenticeship program;

(B) Has passed the organization’s required examination;

(C) Is designated by that organization as a journeyman plumber or journeyman gasfitter; and

(D) Has not been disciplined or otherwise disqualified by the organization.

(2) For the purposes of this subsection, the term “national certifying organization” shall include a nationally recognized trade organization, non-union sponsor, or labor union that is registered with the Bureau of Apprenticeship Training, the United States Department of Labor, or the District of Columbia Apprenticeship Council.

(c) An applicant for licensure as a master plumber/gasfitter or master gasfitter shall establish to the satisfaction of the Board that the applicant has a valid license as a journeyman plumber or gasfitter, or has met the requirements of subsection (b) of this section, and has worked as a journeyman plumber or journeyman gasfitter for at least 4 years.


(Apr. 20, 1999, D.C. Law 12-261, § 1002, 46 DCR 3142; Apr. 23, 2013, D.C. Law 19-274, § 2(b), 60 DCR 2055.)

Prior Codifications

1981 Ed., § 47-2853.122.

Section References

This section is referenced in § 47-2853.12.

Effect of Amendments

The 2013 amendment by D.C. Law 19-274 added (b-1).


§ 47–2853.123. Certain representations prohibited.

Unless licensed in accordance with this subchapter, no person may use the words or terms “plumber,” “licensed plumber,” “journeyman plumber,” “journeyman gasfitter,” “master plumber,” or “master gasfitter,” or any combination of such words to imply that the person is authorized to perform the services of plumber or gasfitter in the District.


(Apr. 20, 1999, D.C. Law 12-261, § 1002, 46 DCR 3142.)

Prior Codifications

1981 Ed., § 47-2853.123.