The provisions of § 411 shall apply to penthouses in the HE Zone District.
The height of a rooftop penthouse as measured from the surface of the roof upon which the penthouse is located shall not exceed that given in the following table:
ZONE DISTRICT | MAXIMUM PENTHOUSE HEIGHT | MAXIMUM PENTHOUSE STORIES |
HE-1 | 12 ft. except 15 ft. for penthouse mechanical space | 1; second story permitted for penthouse mechanical space |
HE-2 | 20 ft. | 1; second story permitted for penthouse mechanical space |
HE-3, HE-4 | 20 ft. | 1 plus mezzanine; second story permitted penthouse mechanical space |
D.C. Mun. Regs. tit. 11, r. 11-2809