District of Columbia Administrative Code

1511 TREE AND SLOPE PROTECTION OVERLAY DISTRICT (TSP) 1511.1 The Tree and Slope Protection (TSP) Overlay District is established to preserve and enhance the park-like setting of designated neighborhoods adjacent to streams or parks by regulating alteration or disturbance of terra…

1512 GENERAL PROVISIONS (TSP) 1512.1 The TSP Overlay District is mapped in combination with the underlying Residence District and not instead of the underlying zone district. 1512.2 Where there is a conflict between this chapter and the underlying zoning, the more restrictive pro…

1513 GROUND COVERAGE RESTRICTIONS (TSP) 1513.1 The principal building and any accessory building on the lot shall not exceed a total lot occupancy of thirty percent (30%). 1513.2 The maximum impervious surface coverage on a lot shall be fifty percent (50 %); provided this subsect…

1514 TREE REMOVAL LIMITATIONS (TSP) 1514.1 Construction of a building, accessory building, or an addition to a building or the creation of any impervious surface area shall only be permitted as a matter of right subject to the following tree removal limitations: (a) The restricti…

1515 SPECIAL EXCEPTIONS (TSP) 1515.1 Any exception from the requirements of this chapter shall be permitted only as a special exception, if approved by the Board of Zoning Adjustment after public hearing, in accordance with § 3104, and subject to the following requirements: (a) T…

1516 FOREST HILLS TREE AND SLOPE PROTECTION OVERLAY DISTRICT (FH/TSP) 1516.1 The Forest Hills Tree and Slope Protection (FH/TSP) Overlay District is established to preserve and enhance the park-like setting of the designated neighborhoods bounded by Connecticut Avenue and Thirty-…

1517 GENERAL PROVISIONS (FH/TSP) 1517.1 The FH/TSP Overlay District is mapped in combination with the underlying R-1, R-1-B, or R-2 District and not in lieu of the underlying district. 1517.2 Where there is a conflict between the FH/TSP Overlay District and an underlying zoning d…

1518 LOT OCCUPANCY, IMPERVIOUS SURFACE, AND SIDE YARD RESTRICTIONS (FH/TSP) 1518.1 The principal building and any accessory building on the lot shall not exceed total lot occupancy of thirty percent (30%). 1518.2 The maximum impervious surface coverage on a lot shall be fifty per…

1519 TREE AND SLOPE PROTECTION AND MINIMUM LOT SIZE (FH/TSP) 1519.1 The provisions of this Section shall only apply to those lots that are subject to the overlay in Squares 2042, 2043, 2046, 2049, 2231, 2232, 2238, 2239, 2244 through 2248, 2250, 2258, 2272, and 2282. 1519.2 Const…

1520 SPECIAL EXCEPTIONS (FH/TSP) 1520.1 Any exception from the requirements of this FH/TSP Overlay, as distinct from the requirements of the underlying zoning district, shall be permitted only as a special exception, if approved by the Board of Zoning Adjustment after public hear…

1521 FOGGY BOTTOM OVERLAY DISTRICT (FB) 1521.1 The Foggy Bottom Historic District is a unique resource to the District of Columbia that must be preserved and enhanced. The historic district was designated and included in the National Register of Historic Places in 1986 and 1987, …

1522 GENERAL PROVISIONS (FB) 1522.1 The FB Overlay District is mapped in combination with the underlying R-3 District. 1522.2 Except as specifically provided in § 1522.3 and in other provisions of this chapter, all matter-of-right uses, buildings, and structures permitted in acco…

1523 SPECIFIC PROVISIONS (FB) 1523.1 In the FB Overlay District, buildings constructed on or before April 17, 1992, and existing legitimate uses within the buildings shall be deemed conforming, except that no addition, replacement, or expansion of the building, or change in use (…

1524 PLANNED UNIT DEVELOPMENT (FB) 1524.1 In the FB Overlay District, the matter-of-right building height, penthouse height, and floor area ratio limits shall serve as the maximum permitted building height, penthouse height, and floor area ratio for planned unit developments. SOU…

1531 NAVAL OBSERVATORY PRECINCT OVERLAY DISTRICT (NO) 1531.1 The Naval Observatory Precinct (NO) Overlay District is established to promote the public health, safety, and general welfare on land adjacent to or in close proximity to the highly sensitive and historically important …

1532 USE REGULATIONS (NO) 1532.1 The uses that are permitted in the underlying zone districts within the NO Overlay District shall be permitted in the same manner in the combined district. SOURCE: Final Rulemaking published at 39 DCR 2745, 2746 (April 17, 1992); as amended by Fin…

1533 SPECIAL EXCEPTIONS (NO) 1533.1 In an application for a special exception in the NO Overlay District, the Board of Zoning Adjustment shall consider, in addition to the criteria in § 3104 and in other chapters of this title, whether the proposed development is compatible with …

1534 HEIGHT, AREA, AND BULK REGULATIONS (NO) 1534.1 The maximum permitted building height in the NO Overlay District shall not exceed forty feet (40 ft.). 1534.2 For purposes of this chapter, the height of a building shall be measured as follows: (a) The height of a building shal…

1541 WESLEY HEIGHTS OVERLAY DISTRICT (WH) 1541.1 The Wesley Heights (WH) Overlay District is established to preserve and enhance the low density character of Wesley Heights by regulating construction and alteration of residential and other buildings in the area. 1541.2 The WH Ove…

1542 GENERAL PROVISIONS (WH) 1542.1 The WH Overlay District is an overlay district and shall be mapped in combination with one (1) of two (2) underlying districts (R-1-A and R-1-B) and not instead of the underlying districts. 1542.2 All uses, buildings, and structures permitted i…

1543 RESTRICTIONS: MAXIMUM LOT OCCUPANCY, FLOOR AREA RATIO, AND FRONT YARD SETBACK (WH) 1543.1 The restrictions under this section shall apply to both the R-1-A and the R-1-B Districts within the WH Overlay District. 1543.2 No structure, including accessory buildings, shall occup…

1551 SIXTEENTH STREET HEIGHTS OVERLAY DISTRICT (SSH) 1551.1 The Sixteenth Street Heights (SSH) Overlay District is established to help accomplish several goals and policies of the Comprehensive Plan, especially those land use objectives relating to housing supply, neighborhood qu…

1552 GENERAL PROVISIONS (SSH) 1552.1 The SSH Overlay District is mapped in combination with the underlying R-1 District and not instead of the underlying district. 1552.2 Where there is a conflict between this chapter and the underlying zoning, the more restrictive provision shal…

1553 MATTER-OF-RIGHT AND SPECIAL EXCEPTION USES (SSH) 1553.1 An existing nonresidential use with a valid Certificate of Occupancy as of July 29, 1994, shall be considered a conforming use and may expand by up to ten percent (10%) of its gross floor area as a matter of right under…