11-D DCMR 5003
5003. MAXIMUM BUILDING AREA
Cite as D.C. Mun. Regs. tit. 11-D, ยง 5003
5003 MAXIMUM BUILDING AREA
5003.1 The maximum building area for an accessory building in an R-1 or R-2 zone shall be an area equal to the greater of thirty (30%) of the required rear yard area or six hundred and fifty square feet (650 sq. ft.).
5003.2 The maximum building area for an accessory building in an R-3 zone shall be an area equal to the greater of thirty (30%) of the required rear yard area or five hundred and fifty (550 sq. ft.).
SOURCE: Final Rulemaking published at 63 DCR 2447, 2834 (March 4, 2016 โ Part 2); as amended by Final Rulemaking published at 68 DCR 2908 (March 19, 2021); as amended by Final Rulemaking published at 72 DCR 009494 (September 5, 2025); as amended by Final Rulemaking published at 73 DCR 009999 (July 10, 2026).
District of Columbia Municipal Regulations
Zoning Regulations of 2016:
Residential House (R) Zones
11-D DCMR ยง 5003