D.C. Mun. Regs. tit. 11, § 930
930.1 Except as provided in this section, the height of buildings and structures shall not exceed the maximum height in the following table:
| ZONE DISTRICT | MAXIMUM HEIGHT (Feet) |
|---|---|
| W-0 | 40 feet |
| W-1 | 45 feet |
| W-2 | 60 feet |
| W-3 | 90 feet |
Notwithstanding the above, the maximum height of a building or structure located on, in, or over the water within the W-0 District, including a floating home, shall be twenty-five (25) feet, measured from the mean high water level along the shore directly in front of the building or structure to the highest point of the building or structure, not including sailboat masts.
930.2 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 section otherwise authorizes. This section shall not be interpreted to bypass otherwise required special exception reviews or mayoral approvals.
930.3 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:
930.4 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 it is located.
930.5 Roof structures less than ten (10) feet in height above a roof or parapet wall of a structure in the W-0 District on Kingman Island shall not be subject to the requirements of this section when the
top of the roof structure is below maximum building height prescribed for the W-0 District.
SOURCE: § 4403.1 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 36 DCR 1509, 1523 (February 24, 1989); 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, 8434 (October 20, 2000); as amended by Final Rulemaking published at 50 DCR 10137 (November 28, 2003); as amended by Final Rulemaking published at 51 DCR 3440 (April 2, 2004); as amended by Final Rulemaking published at 52 DCR 6358 (July 8, 2005); as amended by Final Rulemaking published at 55 DCR 34 (January 4, 2008); as amended by Final Rulemaking published at 55 DCR 2623 (March 14, 2008).