500. GENERAL PROVISIONS

500 GENERAL PROVISIONS 500.1 The following development standards shall apply to buildings on Alley Record Lots in PDR zones. The base zone development standards shall also apply except as specifically modified by this chapter. In the event of a conflict between the provisions of this chapter and other regulations of this title, the provisions of this chapter shall control. TABLE J § 500.1: ALLEY LOT DEVELOPMENT STANDARDS (PDR) (a) Maximum Height If the alley lot is located in a square with R or RF zoned properties 25 ft. All other alley lots 30 ft., including the penthouse (b) Maximum Lot Occupancy No Maximum (c ) Minimum Yard Dimensions 5 ft. from any portion of a lot line that abuts any non-Alley Lots; Otherwise none required. Minimum Side Yard 5 ft. from any lot line of all abutting non-Alley Lots (d) Minimum Alley Centerline Setback 7.5 ft. from the centerline of all abutting alleys (e) Transition setbacks As required by zone (f) Green Area Ratio As required by zone SOURCE: Final Rulemaking published at 73 DCR 010197 (July 17, 2026). District of Columbia Municipal Regulations Zoning Regulations of 2016: Production, Distribution, and Repair (PDR) Zones 11-J DCMR § 500