D.C. Mun. Regs. tit. 11, r. 11-K1001
The NHR zone is intended to permit high-density mixed-use development generally in the vicinity of the Anacostia Metrorail Station along Howard Road, S.E.; encourage a variety of support and visitor-related uses, such as retail, service, and entertainment uses; provide for increased height and bulk of buildings with increased affordable housing; and provide for development of Howard Road, S.E. as an active, pedestrian-oriented street with active ground floor uses.
The maximum permitted density in the NHR zone is 9.0 FAR, except as provided in Subtitle K § 1009.
A building on a lot in the NHR zone shall provide a minimum residential FAR of 2.5 on the lot unless modified through the provisions of Subtitle K § 1009 below. Residential FAR consists exclusively of uses that fall within the "Residential" Use Category defined in Subtitle B § 200.2.
The maximum permitted building height, not including the penthouse or rooftop structure, in the NHR zone shall be:
TABLE K § 1001.4: MAXIMUM PERMITTED BUILDING HEIGHT
Street Right of Way Width | Maximum Permitted Building Height, Not Including Penthouse |
Greater than or equal to 110 ft. | 130 ft. |
Less than 110 ft. but greater than or equal to 100 ft. | 120 ft. |
Less than 100 ft. but greater than or equal to 90 ft. | 110 ft. |
Less than 90 ft. | No taller than the width of the street right of way, plus 20 ft. |
The maximum permitted height of a penthouse of rooftop structure in the NHR zone shall be twenty feet (20 ft.); and the maximum number of stories shall be one (1), plus a mezzanine, except that a second story for penthouse mechanical space shall be permitted.
The height and density limits of Subtitle K § 1001 shall serve as the maximum permitted under a planned unit development.
The maximum permitted lot occupancy in the NHR zone shall be one hundred percent (100%).
No side yard is required for the principal building; however, any side yard provided on any portion of the principal building shall be at least two inches (2 in.) per one foot (1 ft.) of height, and no less than five feet (5 ft.).
A minimum rear yard of two and one-half inches (2.5 in.) per one foot (1 ft.) of vertical distance measured from the mean finished grade at the middle of the rear of the structure to the highest point of the main roof or parapet wall, but not less than twelve feet (12 ft.) shall be provided, subject to the following conditions :
In the case of a corner lot, a court complying with the width requirements for a closed court may be provided in lieu of a required rear yard. For the purposes of this section, the required court shall be provided above a horizontal plane beginning not more than twenty feet (20 ft.) above the curb grade opposite the center of the front of the building and the width of the court shall be computed for the entire height of court.
A court is not required in the NHR zone, but where it is provided, it shall have the following minimum dimensions:
Type of Structure | Minimum Width Open Court | Minimum Width Closed Court | Minimum Area Closed Court |
Residential, more than 3 units | 4 in./ft. of height of court; 10 ft. minimum | 4 in./ft. of height of court; 15 ft. minimum | Twice the square of the required width of court dimension; 350 sq. ft. minimum |
Non-Residential and Lodging | 2.5 in./ft. of height of court; 6 ft. minimum | 2.5 in./ft. of height of court; 12 ft. minimum | Twice the square of the required width of court dimension; 250 sq. ft. minimum |
The minimum required Green Area Ratio for the NHR zone shall be 0.2.
D.C. Mun. Regs. tit. 11, r. 11-K1001