630.1 Except as provided in this section, the height of buildings and structures shall not exceed ninety feet (90 ft.).

630.2 Free-standing, primarily ground-supported signs shall not exceed twenty feet (20 ft.) in height.

630.3 Spires, towers, domes, pinnacles or minarets serving as architectural embellishments, penthouses over elevator shafts, ventilator shafts, antennas, chimneys, smokestacks, or fire sprinkler tanks may be erected to a height in excess of that which this sections otherwise authorizes. This section shall not be interpreted to bypass otherwise required special exception reviews.

630.4 If housing for mechanical equipment or a stairway or elevator penthouse is provided on the roof of a building or structure, it shall be erected or enlarged as follows:

(a) It shall meet the requirements of § 411;

(b) It shall be set back from all exterior walls a distance at least equal to its height above the roof upon which it is located; and

(c) It shall not exceed eighteen feet, six inches (18 ft., 6 in.), in height above the roof upon which it is located. Mechanical equipment shall not extend above the permitted eighteen foot, six inch (18 ft., 6 in.), height of the housing.

630.5 Housing for mechanical equipment or a stairway or elevator penthouse may be erected to a height in excess of that authorized in the district in which located.

630.6 A public recreation and community center shall not exceed a height of forty-five (45) feet.

SOURCE: §§ 4503.1 through 4503.5 of the Zoning Regulations, effective May 12, 1958; as amended by: Final Rulemaking published at 33 DCR 3975, 3977 (July 4, 1986); Final Rulemaking published at 35 DCR 179, 192 (January 8, 1988); and Final Rulemaking published at 47 DCR 9741-43 (December 8, 2000), incorporating by reference the text of Proposed Rulemaking published at 47 DCR 8335, 8385 (October 20, 2000); as amended by Final Rulemaking published at 50 DCR 10137 (November 28, 2003); as amended by Final Rulemaking published at 55 DCR 34 (January 4, 2008).