Except for use as a one-family dwelling, a structure shall not be erected, constructed, converted, altered, remodeled, restored, or repaired for human habitation on an alley lot.
A one-family dwelling shall not be erected or constructed on an alley lot unless the alley lot abuts an alley thirty feet (30 ft.) or more in width and has from the alley access to a street through an alley or alleys not less than thirty feet (30 ft.) in width.
An existing one-family dwelling located on an alley lot that abuts an alley less than thirty feet (30 ft.) in width shall not be converted, altered, remodeled, restored, or repaired for use as a one-family dwelling if the cost of the conversion, alteration, remodeling, restoration, or repair exceeds one-half of the value of the structure immediately prior to the time of the conversion, alteration, remodeling, restoration, or repair. Nonresidential structures located on these alleys shall not be converted, altered, remodeled, restored, or repaired for human habitation, regardless of cost.
The height of a structure erected or constructed on an alley lot shall not exceed the distance from the opposite side of the abutting alley to the outside wall of the structure nearest the alley.
An artist studio shall be a permitted use in a building located on an alley lot, subject to the following criteria:
When approved by the Board of Zoning Adjustment as a special exception under § 3104, an alley lot in an R-4 or R-5 District may be used for any use permitted under § 333, subject to the conditions specified in that section.
D.C. Mun. Regs. tit. 11, r. 11-2507