Zoning Handbook

The purpose of the RF-3 zone is to provide for areas adjacent to the U.S. Capitol precinct predominantly developed with attached houses on small lots within which no more than 2 dwelling units are permitted.

The RF-3 zone is intended to:

  • Promote and protect the public health, safety, and general welfare of the U.S. Capitol precinct and the area adjacent to this jurisdiction, in a manner consistent with the goals and mandates of the United States Congress in Title V of the Legislative Branch Appropriation Act, 1976 (Master Plan for Future Development of the Capitol Grounds and Related Areas), approved July 25, 1975 (Pub. L. No. 94-59, 89 Stat. 288), and in accordance with the plan submitted to the Congress pursuant to the Act;
  • Reflect the importance of and provide sufficient controls for the area adjacent to the U.S. Capitol;
  • Provide particular controls for properties adjacent to the U.S. Capitol precinct and the area adjacent to this jurisdiction, having a well-recognized general public interest; and
  • Restrict some of the permitted uses to reduce the possibility of harming the U.S. Capitol precinct and the area adjacent to this jurisdiction.
rf-3

The RF-3 zone permits a maximum of 2 dwelling units that may both be located within the principal structure, or 1 dwelling unit that may be located in the principal structure and 1 dwelling unit in an accessory structure.

Development Standards
Height (ft.)1, 2, 3 Stories Lot Occupancy Front Setback Rear Yard (ft.) Side Yard (ft.)4, 5, 6, 7 Zoning Regulation Reference
RF-3 60 (place of worship) 3 60% for detached dwellings, semi-detached dwellings, row dwellings and flats, and places or worship A front setback shall be provided that is within the range of existing front setbacks of all structures on the same side of the street in the block where the building is proposed. 20 None Subtitle E, Chapter 5
40 (all other structures) 40%
for all other structures

Use Permissions Courts Pervious Surfaces Parking Inclusionary Zoning
Subtitle U, Chapter 3 Subtitle E § 204 Subtitle E § 205 Subtitle C, Chapter 7 Subtitle C, Chapter 10

1 An institutional building or structure may be erected to a height not exceeding 90 ft., provided that the building or structure shall be removed from all lot lines of its lot a distance of not less than 1 ft. for each 1 ft. of height in excess of that authorized in the district in which it is located.
2Except as provided in Subtitle F §§ 203.2 and 203.3, a building or other structure may be erected to a height not exceeding 90 ft., provided that the building or structure shall be removed from all lot lines of its lot for a distance equal to the height of the building or structure above the natural grade.
3The maximum permitted height of a an allowed penthouse shall be 12 ft. and 1 story. A permitted non-residential building shall be permitted a mechanical penthouse to a maximum height of 18 ft. 6 in.
4When a new dwelling or flat is erected that does not share a common division wall with an existing building or a building being constructed together with the new building, it shall have a side yard on each resulting free-standing side.
5A side yard shall not be required along a side street abutting a corner lot in an RF zone.
6No side yard is required for a principal building; however, any side yard provided on any portion of a principal building shall be at least 5 ft. except as provided in this section.
7In the case of a building existing on or before the effective date of this title, with a non-conforming side yard, an extension or addition may be made to the building; provided, that the width of the existing side yard shall not be decreased; and provided further, that the width of the existing side yard shall be a minimum of 2 ft.