Section 11-D5201. ADDITION TO A BUILDING OR ACCESSORY STRUCTURE

  ADDITION TO A BUILDING OR ACCESSORY STRUCTURE

5201.1  The Board of Zoning Adjustment may approve as a special exception in the R zones relief from the following development standards of this subtitle, subject to the provisions of this section and the general special exception criteria at Subtitle X, Chapter 9:

(a) Lot occupancy;

(b) Yards;

(c) Courts;

(d) Minimum lot dimensions;

(e) Pervious surface; and

(f) The limitations on enlargements or additions to nonconforming structures  as set forth in Subtitle C § 202.2.

5201.2  Special exception relief under this section is applicable only to the following: 

(a) An addition to a building with only one (1) principal dwelling unit; or

(b) A new or enlarged accessory structure that is accessory to such a  building.

5201.3      An applicant for special exception under this section shall demonstrate that the proposed addition or accessory structure shall not have a substantially adverse effect on the use or enjoyment of any abutting or adjacent dwelling or property, in particular:

(a) The light and air available to neighboring properties shall not be unduly affected;

(b) The privacy of use and enjoyment of neighboring properties shall not be unduly compromised;

(c) The addition or accessory structure, together with the original building, as viewed from the street, alley, and other public way, shall not substantially visually intrude upon the character, scale, and pattern of houses along the subject street frontage;

(d) In demonstrating compliance with paragraphs (a), (b), and (c) of this subsection, the applicant shall use graphical representations such as plans, photographs, or elevation and section drawings sufficient to represent the relationship of the proposed addition or accessory structure to adjacent buildings and views from public ways; and

(e) The Board of Zoning Adjustment may approve lot occupancy of all new and existing structures on the lot as specified in the following table:

 

TABLE D § 5201.3: MAXIMUM PERMITTED LOT OCCUPANCY

 

Zone	Maximum Lot Occupancy
R-3 R-13 R-16	70%
R-20 – attached dwellings only	70%
R-20 – detached and semi-detached dwellings All Other R zones	50%

5201.4          The Board of Zoning Adjustment may require special treatment in the way of design, screening, exterior or interior lighting, building materials, or other features for the protection of adjacent and nearby properties.

5201.5  This section may not be used to permit the introduction or expansion of a nonconforming use as a special exception.

5201.6  This section shall not be used to permit the introduction or expansion of nonconforming height or number of stories as a special exception.

 

 

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, 2834 (March 4, 2016 – Part 2).