D.C. Mun. Regs. tit. 11-I, § 524
524
524.1 Residential density is subject to the Inclusionary Zoning requirements and bonuses of Subtitle C, Chapter 10.
524.2 The maximum permitted FAR for a building in the D-4 zone shall be 7.8, which can be achieved:
(a) If all FAR is residential and accesses the Inclusionary Zoning bonus;
(b) If all FAR exceeding the non-residential density permitted in Subtitle I § 524.4 is residential and accesses the Inclusionary Zoning bonus; or
(c) If conditions (a) or (b) are not satisfied, through the use of credits pursuant to Subtitle I, Chapters 8 and 9.
524.3 The maximum permitted residential FAR for a building in the D-4 zone shall be 6.5 for a building not subject to Inclusionary Zoning.
524.4 The maximum permitted non-residential FAR of a building in the D-4 zone not employing credits enabled by Subtitle I, Chapters 8 and 9 shall be 6.5.
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).