District of Columbia Code Division I. Government of District. § 6-641.01. Zoning Commission--Regulations; districts or zones.

To promote the health, safety, morals, convenience, order, prosperity, or general welfare of the District of Columbia and its planning and orderly development as the national capital, the Zoning Commission created by § 6-621.01, is hereby empowered, in accordance with the conditions and procedures specified in this subchapter, to regulate the location, height, bulk, number of stories and size of buildings and other structures, the percentage of lot which may be occupied, the sizes of yards, courts, and other open spaces, the density of population, and the uses of buildings, structures, and land for trade, industry, residence, recreation, public activities, or other purposes; and for the purpose of such regulation said Commission may divide the District of Columbia into districts or zones of such number, shape, and area as said Zoning Commission may determine, and within such districts may regulate the erection, construction, reconstruction, alteration, conversion, maintenance, and uses of buildings and structures and the uses of land. The said Zoning Commission shall also have power to promulgate regulations to require, with respect to buildings erected subsequent to the promulgation of such regulations, that facilities be provided and maintained either on the same lot with any such building, or on the same lot with any such building or elsewhere, for the parking of automobiles and motor vehicles of the owners, occupants, tenants, patrons, and customers of such building, and of the business, trades, and professions conducted therein. All such regulations shall be uniform for each class or kind of building throughout each district, but the regulations in 1 district may differ from those in other districts.