D.C. Mun. Regs. tit. 11, r. 11-G205
In any of the MU-1 through MU-15 zones, the maximum permitted height of a penthouse or rooftop structure, except as limited by Subtitle C § 1501 on the roof of a single household dwelling or flat, shall be as set forth in the following table:
TABLE G § 205.1: MAXIMUM PENTHOUSE AND ROOFTOP STRUCTURE HEIGHT AND NUMBER OF STORIES
Zones | Maximum Height | Maximum Number of Stories |
MU-1 | 12 ft., except 18 ft. 6 in. for penthouse mechanical space | 1; Second story permitted for penthouse mechanical space |
MU-2 | 20 ft. | 1 plus mezzanine; Second story permitted for penthouse mechanical space |
MU-3A MU-3B MU-4 MU-11 MU-12 | 12 ft., except 15 ft. for penthouse mechanical space | 1; Second story permitted for penthouse mechanical space |
MU-5A MU-7A MU-7B MU-13 | 12 ft., except 18 ft. 6 in. for penthouse mechanical space | 1; Second story permitted for penthouse mechanical space |
MU-5B MU-8A MU-8B | 20 ft. | 1; Second story permitted for penthouse mechanical space |
MU-6A MU-6B MU-9A MU-9B MU-10 MU-14 MU-15 | 20 ft. | 1 plus mezzanine; Second story permitted for penthouse mechanical space |
Notwithstanding Subtitle G § 205.1, in any of the MU-11 zones, a penthouse or rooftop structure less than ten feet (10 ft.) in height above a roof or parapet wall of a structure on Kingman Island shall not be subject to the requirements of Subtitle C, Chapter 15, if the top of the penthouse or rooftop structure is below the maximum building height prescribed for the MU-11 zone.
D.C. Mun. Regs. tit. 11, r. 11-G205