Except as permitted in Subtitle F § 203, the maximum permitted building height, not including the penthouse or rooftop structure, in the RA-7 zone shall be forty feet (40 ft.) and three (3) stories.
The maximum permitted height of a penthouse or rooftop structure, except as permitted in Subtitle F § 204.2, and as limited in Subtitle C 1501 on the roof of a detached dwelling, semi-detached dwelling, rowhouse, or flat shall be ten feet (10 ft.) and one (1) story.
D.C. Mun. Regs. tit. 11, r. 11-F503