201. DENSITY

201 DENSITY 201.1 In any of the RF-1 zones, two (2) principal dwelling units shall be permitted per lot subject to Subtitle U, Use Permissions. 201.2 Notwithstanding Subtitle E § 201.1, a building or structure in any of the RF-1 zones may be used for more than two (2) principal dwelling units pursuant to Subtitle U, Chapter 3. 201.3 In any of the RF-4 zones, three (3) principal dwelling units shall be permitted per lot subject to Subtitle U, Use Permissions. 201.4 In any of the RF-5 zones, four (4) principal dwelling units shall be permitted per lot subject to Subtitle U, Use Permissions. 201.5 No more than one (1) principal dwelling unit may be located within an accessory building, subject to Subtitle U, Use Permissions. 201.6 Accessory apartments shall not be permitted in any RF Zone; instead, principal dwelling units are permitted pursuant to Subtitle E, Chapter 2, and Subtitle U Chapter 3. 201.7 A public recreation and community center shall not exceed a gross floor area (GFA) of forty thousand square feet (40,000 sq. ft.) unless approved by the Board of Zoning Adjustment as a special exception pursuant to the provisions of Subtitle E § 212.2. 201.8 The maximum permitted floor area ratio (FAR) shall be as set forth in the following table: TABLE E § 201.8: MAXIMUM PERMITTED FLOOR AREA RATIO Zones Type of Structure Maximum FAR RF-1 Public Recreation and Community Center 1.8 All Other Structures Not applicable RF-4 RF-5 Public Library 2.0 All Other Structures 1.8 SOURCE: Final Rulemaking published at 63 DCR 2447, 2887 (March 4, 2016 – Part 2); as amended by Final Rulemaking published at 63 DCR 10620 (August 19, 2016); as amended by Final Rulemaking published at 63 DCR 10932 (August 26, 2016); as amended by Final Rulemaking published at 66 DCR 13705 (October 18, 2019); as amended by Final Rulemaking published at 67 DCR 13346 (November 13, 2020); as amended by Final Rulemaking published at 70 DCR 011297 (August 25, 2023); as amended by Final Rulemaking published at 73 DCR 009999 (July 10, 2026). District of Columbia Municipal Regulations Zoning Regulations of 2016: Residential Flat (RF) Zones 11-E DCMR § 201