The purpose of the RF-3 zone is to provide for areas adjacent to the U.S. Capitol precinct predominantly developed with row houses on small lots within which no more than two (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.

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
Height1 Lot Occupancy2,3 Front Setback Rear Yard (ft.) Side Yard (ft.) Zoning Regulation Reference
RF-3 35 ft/3 stories, except as specified in Subtitle E, § 503 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 Subtitle E, § 207 Subtitle E, Chapter 5
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 See Subtitle E, § 503 for full details on special exceptions, penthouses, height with setbacks, etc.

2 Conversion of a building or structure to an apartment house: The greater of 60% or the lot occupancy as of the date of conversion (Subtitle E, § 504)

3An apartment house that existed prior to 1958 and has been in continuous use as an apartment house: 60% maximum percentage of lot occupancy (Subtitle E, § 504)