405. PERVIOUS SURFACE

PERVIOUS SURFACE 405.1 In the R-1A/FH, R-1B/FH, and R-2/FH zones, the minimum required percentage of pervious surface of a lot shall be fifty percent (50%); provided this subsection shall not: (a) Preclude enlargement of a principal building in existence as of May 18, 2007; or (b) Create nonconformity of a structure as regulated by this title. SOURCE: Final Rulemaking published at 63 DCR 2447, 2834 (March 4, 2016 – Part 2); as amended by Final Rulemaking published at 70 DCR 011297 (August 25, 2023). District of Columbia Municipal Regulations Zoning Regulations of 2016: Residential House (R) Zones 11-D DCMR § 405