The objectives of the Capitol Security Sub-Area are to protect public safety and the security of those using the properties within the U.S. Capitol complex and associated office buildings and libraries.
The general location of the Capitol Security Sub-Area is the area adjacent to the northwest and southwest perimeter of the U.S. Capitol grounds, including all of Squares 625, 626, 628, 630, 631 574, 577, 579, 581, 582, 640, and 641, as outlined in Figure I § 605: Illustration of Capitol Security Sub-Area and Designated Street Segments. Review of this sub-area is required by the Architect of the Capitol or the Capitol Police.
The designated street segments are as generally indicated with green lines in Figure I § 605: Illustration of Capitol Security Sub-Area and Designated Street Segments and are detailed in Subtitle I § 605.4.
FIGURE I § 605: ILLUSTRATION OF CAPITOL SECURITY SUB-AREA AND DESIGNATED STREET SEGMENTS
The Capitol Security Sub-Area includes the following designated street segments and adjacent zoning:
TABLE I § 605.4: CAPITOL SECURITY SUB-AREA DESIGNATED STREET SEGMENTS AND ADJACENT ZONING
Designated Street | Side of Street | Adjacent Zone | Segment Boundary 1 (northern or eastern) | Segment Boundary 2 (southern or western) | Segment Classification |
G St., N.W. | South | D-3 | North Capitol St., N.W. | New Jersey Ave., N.W. | Tertiary |
Massachusetts Ave., N.W. | North | D-3 | North Capitol St., N.W. | New Jersey Ave., N.W. | Tertiary |
Massachusetts Ave., N.W. | North | D-3 | North Capitol St., N.W. | G St., N.W. | Tertiary |
F St., N.W. | Both | D-3 | North Capitol St., N.W. | New Jersey Ave., N.W. | Tertiary |
E St., N.W. | Both | D-3 | North Capitol St., N.W. | New Jersey Ave., N.W. | Tertiary |
D St., N.W. | North | D-3 | North Capitol St., N.W. | New Jersey Ave., N.W. | Tertiary |
C St., N.W. | North | D-3 | New Jersey Ave., N.W. | 1st St., N.W. | Tertiary |
C St., N.W. | South | D-3 | 1st St., N.W. | 2nd St., N.W. | Tertiary |
Constitution Ave., N.W. | North | D-3 | 1st St., N.W. | 2nd St., N.W. | Tertiary |
Independence Ave., S.W. | South | D-4 | 2nd St., S.W. | 3rd St., S.W. | Tertiary |
C St., S.W. | Both | D-4 | 2nd St. S.W. | 3rd St., S.W. | Tertiary |
C St., S.W. | South | D-4 | Washington Ave., N.W. | 2nd St., S.W. | Tertiary |
D St., S.W. | Both | D-4 | 2nd St., S.W. | 3rd St., S.W. | Tertiary |
Virginia Ave., S.W. | North | D-4 | 2nd St., S.W. | 3rd St., S.W. | Tertiary |
Virginia Ave., S.W. | North | D-4 | South Capitol St., S.W. | 2nd St., S.W. | Tertiary |
E St., S.W. | Both | D-4 | South Capitol St., S.W. | 1st St., S.W. | Tertiary |
Washington Ave., S.W. | South | D-4 | Independence Ave., S.W. | South Capitol St., S.W. | Tertiary |
North Capitol St., N.W. | West | D-3 | G St., N.W. | D St., N.W. | Tertiary |
South Capitol St., S.W. | West | D-4 | Washington Ave., S.W. | Virginia Ave.,/ I-395, S.W. | Tertiary |
New Jersey Ave., N.W. | East | D-3 | G St., N.W. | D St., N.W. | Tertiary |
1st St., N.W. | East | D-3 | D St., N.W. | C St., N.W. | Tertiary |
1st St., N.W. | West | D-3 | C St., N.W. | Constitution Ave., N.W. | Tertiary |
1st St., S.W./I-395 ramps | Both | D-4 | D St., S.W. | Virginia Ave., S.W. | Tertiary |
2nd St., N.W. | East | D-3 | C St., N.W. | Constitution Ave., S.W. | Tertiary |
2nd St., S.W. | West | D-4 | Independence Ave., S.W. | D St., S.W. | Tertiary |
2nd St., S.W. | Both | D-4 | D St., S.W. | E St., S.W. | Tertiary |
3rd St., S.W. | East | D-4 | Independence Ave., S.W. | Virginia Ave., S.W. | Tertiary |
Within the Capitol Security Sub-Area, the use regulations of the zone shall govern.
In the Capitol Security Sub-Area, a proposed new structure or existing structure proposed for substantial renovation shall be considered as a special exception consistent with Subtitle X, Chapter 9 and the criteria in Subtitle I §§ 605.7 through 605.10, if:
In an application for a special exception subject to this section, the Board of Zoning Adjustment shall also consider whether the proposed development is:
Upon receipt of the application, the Board of Zoning Adjustment shall submit the application to the Architect of the Capitol for review and report.
Upon receipt of the application, the Board of Zoning Adjustment shall submit the application to the Office of Planning for coordination, review, report, and impact assessment, along with reviews in writing of all relevant District departments and agencies including the Departments of Transportation, Housing and Community Development, and, if a historic district or historic landmark is involved, the Historic Preservation Office.
The Board of Zoning Adjustment may require special treatment and impose reasonable conditions as it deems necessary to mitigate any adverse impacts identified in the consideration of the application.
D.C. Mun. Regs. tit. 11, r. 11-I605