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D.C. Department of Consumer and Regulatory Affairs:
They Offer a Electrical, Plumbers, Refrigeration and Air Conditioning
DC Journeyman Electrician (307)
DC Journeyman Sign Electrician (338)
DC Low Voltage Electrician (309)
DC Master Electrician (220)
DC Residential Maintenance Electrician (824)
DC Journeyman Gas Pipe Fitter (301)
DC Journeyman Plumber (302)
DC Journeyman Plumber with Gas (310)
DC Master Gas Pipe Fitter (300)
DC Master Plumber (303)
DC Master Plumber with Gas (304)
DC Journeyman Air Conditioning and Refrigeration (312)
DC Master Air Conditioning and Refrigeration Mechanical Unlimited (311)
DC Master Refrigeration and Air Conditioning Mechanic Limited (322)
General Contractor – means any person who, for a fee, is contracted to do construction on real property owned, controlled, or leased by another person of commercial, industrial, institutional, governmental, residential or accessory use buildings or structures. This also includes the remodeling, repair, improvement or demolition of these buildings or structures. General Contractor also includes those involved in heavy construction, land development and the construction of new buildings.
D.C. Department of Public Works:
Frank D. Reeves Municipal Center
2000 14th Street, NW, Washington, DC 20009
Phone: (202) 673-6833
Fax: (202) 671-0642
TTY: (202) 673-6833
250 M Street SE, Washington, DC 20003
Phone: (202) 673-6813
Fax: (202) 671-0650
TTY: (202) 673-6813