Section 11-C1502. PENTHOUSE SETBACKS

1502.1 Penthouses, screening around unenclosed mechanical equipment, rooftop platforms for swimming pools, roof decks, trellises, and any guard rail on a roof shall be setback from the edge of the roof upon which it is located as follows:

(a) A distance equal to its height from the front building wall of the roof upon which it is located;

(b) A distance equal to its height from the rear building wall of the roof upon which it is located;

 

(c)A distance equal to its height from the side building wall of the roof upon which it is located if:

(1) In any zone, it is on a building used as a detached dwelling, semi-detached dwelling, rowhouse or flat, that is:

(A) Adjacent to a property that has a lower or equal permitted matter-of-right building height, or

(B) On a corner lot adjacent to a public or private street or alley right-of-way or a public park;

(2)In the R-1 through R-3 and RF zones, it is on any building not described in Subtitle C § 1502.1(c)(1) that is:

(A) Adjacent to a property that has a lower or equal permitted matter- of- right building height, or

(B) On a corner lot adjacent to a public or private street or alley right-of-way or a public park;

(3)For zones not listed in paragraph Subtitle C § 1502.1(c)(2), it is on a building not described in paragraph Subtitle C § 1502.1(c)(1) that is located adjacent to a property that has a lower permitted matter-of-right building height;

(4)For any zone, it is on a building adjacent to a property improved with a designated landmark or contributing structure to a historic district that is built to a lower height regardless of the permitted matter-of-right building height; and

(5)For any zone, it is on a building with walls that border any court other than closed courts;

(d) A distance equal to one-half (0.5) of its height from any side building wall of the roof upon which it is located that is not adjoining another building wall and not meeting the conditions of paragraphs Subtitle C §§ 1502.1(c)(1) through (5); or

(e) A distance equal to two (2) times its height from any building wall of the roof upon which it is located which fronts onto Independence Avenue, S.W. between 12th Street, S.W. and 2nd Street, S.W., or fronting onto Pennsylvania Avenue, N.W. between 3rd Street, N.W and 15th Street, N.W., subject to any penthouse constraints contained within adopted PADC Guideline documents.

 

 

authority

§ 1 of the Zoning Act of 1938, approved June 20, 1938 (52 Stat. 797, as amended; D.C. Official Code § 6-641.01 (2012 Repl.)).

source

Final Rulemaking published at 63 DCR 2447, 2712 (March 4, 2016 – Part 2); as amended by Final Rulemaking published at 64 DCR 22 (January 6, 2017); as amended by Final Rulemaking published at 64 DCR 6110 (June 30, 2017).