531. DENSITY - FLOOR AREA RATIO (FAR) (D-4-R)

DENSITY – FLOOR AREA RATIO (FAR) (D-4-R) The maximum permitted density for a building in the D-4-R zone shall be the density achievable within the height and bulk permitted by the zone and any applicable sub-area regulations: If all of the building’s FAR is devoted to residential use; If all FAR exceeding the non-residential density permitted in Subtitle I § 531.5 is devoted to residential use; or If conditions (a) or (b) are not satisfied, through the use of credits pursuant to Subtitle I, Chapters 8 and 9. A building on a lot in the D-4-R zone shall provide a minimum residential FAR of 4.5 on the lot unless: The residential requirement is reduced or eliminated by the provisions of Subtitle I §§ 200.3, 200.4, 305.2, or 531.3; The residential requirement is reduced by up to 1.35 FAR through constructing or financially assisting affordable housing pursuant to Subtitle I § 305.6; or If modified through the credit procedures provided in Subtitle I, Chapters 8 and 9. 531.3 The residential requirement in Subtitle I § 531.2 shall not apply to the following: (a) A building on Square 342, Lot 810 that has been used as a hostel since April 7, 2006, that remains in hostel use, and which may be expanded or rebuilt to a maximum 9.5 FAR without a housing requirement; (b) A building in the D-4-R zoned portion of Square 485; and (c) A building on any lot in Square 370 shall be exempt from minimum residential requirements as long as it has a valid construction permit or certificate of occupancy for a hotel. Residential density in the D-4-R zone is not subject to the Inclusionary Zoning requirements or bonuses of Subtitle C, Chapter 10. Except for IZ Plus Inclusionary Developments, residential density in the D-4-R zone is not subject to the Inclusionary Zoning requirements or bonuses of Subtitle C, Chapter 10. 531.5 The maximum permitted non-residential FAR of a building in the D-4-R zone not employing credits enabled by Subtitle I, Chapters 8 and 9 shall be 3.5. SOURCE: Final Rulemaking published at 63 DCR 2447, 3041 (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 68 DCR 7215 (July 23, 2021). District of Columbia Municipal Regulations Zoning Regulations of 2016: Downtown (D) Zones 11-I DCMR § 531