D.C. Mun. Regs. tit. 11, § 840
840.1 Except as provided in § 840.2 and in chapters 20 through 25 of this title, the height of buildings or structures in an Industrial District shall not exceed that given in the following table:
| ZONE DISTRICT | MAXIMUM HEIGHT (Feet) | MAXIMUM HEIGHT (Stories) |
|---|---|---|
| C-M-1 | 40 | 3 |
| C-M-2 | 60 | No Limit |
| C-M-3 | 90 | No Limit |
| M | 90 | No Limit |
840.2 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.
840.3 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:
840.4 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.
840.5 Where required by the Act to Regulate the Height of Buildings in the District of Columbia, approved June 1, 1910 (36 Stat. 452, as amended; D.C. Official Code §§ 6-601.01 to 6-601.09 (formerly codified at D.C. Code §§ 5-401 to 5-409 (1994 Repl. & 1999 Supp.))), a height in excess of that permitted in that Act shall be authorized by the Council of the District of Columbia.
SOURCE: §§ 6201.1, 6201.2 and 6201.3 of the Zoning Regulations, effective May 12, 1958; as amended by Final Rulemaking published at 33 DCR 3975, 3979 (July 4, 1986); by Final Rulemaking published at 36 DCR 1509, 1523 (February 24, 1989); Final
Rulemaking published at 47 DCR 9741-43 (December 8, 2000), incorporating by reference the text of Proposed Rulemaking published at 47 DCR 8335, 8422-23 (October 20, 2000); as amended by Final Rulemaking published at 55 DCR 34 (January 4, 2008).