D.C. Municipal Regulations (Last Updated: September 13, 2017) |
Title 11. ZONING REGULATIONS OF 1958 |
Chapter 11-25. MISCELLANEOUS ZONING REQUIREMENTS |
Section 11-2500. ACCESSORY USES AND BUILDINGS
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2500.1Any accessory use or accessory building shall be located on the same lot with the use or building to which it is accessory; provided, that required accessory parking space may be permitted on another lot where specifically permitted under other provisions of this title.
2500.2An accessory building shall be located only in a rear yard, except as follows:
(a)An accessory private garage may be located in a side yard pursuant to § 2300; and
(b)A pump island canopy and any kiosk adjacent to the pumps used exclusively as an attendant's shelter of a gasoline service station may be located in any open area of a lot not within twenty-five feet (25 ft.) of a Residence District unless separated therefrom by a street or alley.
2500.3No more than thirty percent (30%) of the area of a required rear yard on any lot shall be occupied by accessory buildings.
2500.4An accessory building in any zone district shall not exceed one (1) story or fifteen feet (15 ft.) in height, except as provided in § 2500.5.
2500.5In an R-1-A or R-1-B District only, an accessory private garage may have a second story used for sleeping or living quarters of domestic employees of the family occupying the main building.
2500.6A two (2) story accessory building allowed under § 2500.5 shall not exceed twenty feet (20 ft.) in height and shall not be located within the required rear yard. It shall also be set back from all side lot lines for a distance equal to the minimum width of a required side yard in the district in which it is located.
2500.7The height of an accessory building permitted by §§ 2500.4 or 2500.5 shall be measured from the finished grade at the middle of the side of the accessory building that faces the main building to the highest point of the roof of the building.
2500.8An accessory building or structure shall not be erected on any lot prior to the time of construction of the main building to which it is accessory.
2500.9An accessory building shall not obstruct light and ventilation required by other regulations.