210.1 Except as provided elsewhere in this title in Subtitle E § 212.2, the maximum permitted lot occupancy shall be as set forth in the following table:

TABLE E § 210.1: MAXIMUM LOT OCCUPANCY

Zones	Type of Structure	Maximum Percentage of Lot Occupancy (%)
RF-1	Single Household Dwellings and Flats	60
	Conversion of a building or structure to an apartment house	The greater of 60 or the lot occupancy as of the date of conversion
	An apartment house that existed prior to 1958 and has been in continuous use as an apartment house	60
	Places of Worship	60
	Public Recreation and Community Center	20
	All Other Structures	40
RF-4	Public Recreation and Community Center	20
RF-5	All Other Structures	60

SOURCE: Final Rulemaking published at 70 DCR 011297 (August 25, 2023).