803.1 Except as provided in this section, the maximum permitted building height, not including the penthouse or rooftop structure, shall be as set for in the following table:

TABLE K § 803.1: MAXIMUM PERMITTED BUILDING HEIGHT

Zone	Maximum Height
ARTS-1	50 ft.
	50 ft. (IZ)
ARTS-2	65 ft.
	70 ft. (IZ)
ARTS-3	65 ft.
	75 ft. (IZ)
ARTS-4	90 ft.
	100 ft. (IZ)

803.2 A public recreation and community center shall not exceed a maximum height of forty-five feet (45 ft.) in any ARTS zone.

803.3 In the underlying ARTS-3 zone, a building may be constructed in excess of the height limit of sixty-five feet (65 ft.), up to a maximum height of seventy-five (75 ft.), provided:

(a) No penthouse or rooftop structure permitted by this title shall exceed a height of eighty-three and one-half feet (83.5 ft.) above the measuring point used for the building; and

(b) If a lot abuts either a R, RF, or RA zone or an alley that serves as the zone district boundary line of an adjacent R, RF, or RA zone, no part of the building shall project above a plane drawn at a forty-five degree (45°) angle from a line located fifty feet (50 ft.) directly above the property line that abuts the R, RF, or RA zone or the alley.

803.4 In the ARTS-4 zone, if a building is located on a lot that abuts a street, an alley, or a zone district boundary with a R, RF, or RA zone, no part of the building, including the penthouse or rooftop structure, shall project above a plane drawn at a forty-five degree (45°) angle from a line located

sixty-five feet (65 ft.) directly above the property line on each such street, alley, or zone district boundary line.

803.5 Penthouses or rooftop structures shall be subject to the regulations of Subtitle C, Chapter 15 and the height and story limitations set forth in the following table:

TABLE K § 803.5: MAXIMUM PERMITTED PENTHOUSE OR ROOFTOP STRUCTURE HEIGHT AND STORIES

Zone	Maximum Height (ft.)	Maximum Stories
ARTS-1	12 ft. except 15 ft. for penthouse mechanical space	1; Second story permitted for penthouse mechanical space
ARTS-2	12 ft. except 18 ft. 6 in. for penthouse mechanical space	1; Second story permitted for penthouse mechanical space
ARTS-3	Except as limited in Subtitle K § 803.3: 12 ft. except 18 ft. 6 in. for penthouse mechanical space	1
ARTS-4	Except as limited in Subtitle K § 803.4: 20 ft.	1 plus mezzanine; Second story permitted for penthouse mechanical space

SOURCE: Final Rulemaking published at 63 DCR 2447, 3176 (March 4, 2016 – Part 2); as amended by Final Rulemaking published at 68 DCR 013834 (December 24, 2021).