A minimum rear yard of twenty feet (20 ft.) shall be provided in the R-17 zone.
Notwithstanding Subtitle D §§ 1006.1, a rear wall of a row or semi-detached building shall not be constructed to extend farther than ten feet (10 ft.) beyond the farthest rear wall of any adjoining principal residential building on any adjacent property.
A rear wall of a row or semi-detached building may be constructed to extend farther than ten feet (10 ft.) beyond the farthest rear wall of any adjoining principal residential building on any adjacent property if approved as a special exception pursuant to Subtitle X, Chapter 9, and subject to Subtitle D § 5201 if applicable.
D.C. Mun. Regs. tit. 11, r. 11-D1006