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D.C. Municipal Regulations (Last Updated: September 13, 2017) |
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Title 11. ZONING REGULATIONS OF 1958 |
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Chapter 11-7. COMMERCIAL DISTRICTS |
Section 11-770. HEIGHT OF BUILDINGS OR STRUCTURES (C)
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770.1Except as provided in this section and in Chapters 17 and 20 through 25 of this title, the height of a building or structure, not including a penthouse, in a Commercial District shall not exceed that set forth in the following table:
ZONE DISTRICT
MAXIMUM
HEIGHT
(Feet)MAXIMUM
HEIGHT
(Stories)C-1
40
3
C-2-A
50
No Limit
C-2-B,C-3-A
65
No Limit
C-3-B
70
6
C-2-B-1
75
No Limit
C-2-C,C-3-C
90
No Limit
C-4
110
No Limit
C-5(PAD)
130
No Limit
770.2The height of buildings or structures specified in § 770.1 may be exceeded in the instances provided in §§ 770.3 through 770.9.
770.3Spires, towers, domes, pinnacles or minarets serving as architectural embellishments, penthouses, 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.
770.4In the C-4 District, a building or other structure may be erected to a height not exceeding one hundred thirty feet (130 ft.); provided, that the building or other structure shall face or abut a street not less than one hundred ten feet (110 ft.) wide between building lines.
770.5In the C-5 (PAD) District, a building or other structure may be erected to a height not exceeding one hundred sixty feet (160 ft.); provided:
(a)The height of the building or structure shall be measured only from the Pennsylvania Avenue curb at the middle of the front of the building or other structure to the highest point of the roof or parapet exclusive of any structure on the roof; and
(b)That portion of the building or other structure that exceeds one hundred thirty-five feet (135 ft.) in height shall be set back a minimum of fifty feet (50 ft.) from the building line along Pennsylvania Avenue.
770.6A penthouse may be erected to a height in excess of that which this section otherwise authorizes but shall not exceed the height, as measured from the surface of the roof upon which the penthouse is located, in the following table:
ZONE DISTRICT
MAXIMUM PENTHOUSE HEIGHT
MAXIMUM PENTHOUSE STORIES
C-1, C-2-A
12 ft. except 15 ft. for penthouse mechanical space
1; second story permitted for penthouse mechanical space
C-2-B, C-3-A
12 ft. except 18 ft. 6 in. for penthouse mechanical space
1; second story permitted for penthouse mechanical space
C-2-B-1, C-3-B
20 ft.
1; second story permitted for penthouse mechanical space
C-2-C; C-3-C; C-4; C-5
20 ft.
1 plus mezzanine; second story permitted for penthouse mechanical space
770.7[REPEALED].
770.8[REPEALED].
770.9The height permitted for a building eligible for the additional density permitted pursuant to § 771.4 shall be that permitted 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).