D.C. Mun. Regs. tit. 11-F, § 5004
5004.1 An accessory building other than a shed may be located in a side yard in an RA zone provided that the accessory building is removed from the side lot line a distance equal to the required side yard and from the principal building a minimum of ten feet (10 ft.).
5004.2 A shed may be located in a required side yard of a principal building.
SOURCE: Final Rulemaking published at 63 DCR 2447, 2915 (March 4, 2016 – Part 2); as amended by Final Rulemaking published at 68 DCR 002908 (March 19, 2021).