# Addition permit B2304249 at 403 7th St SE, Washington

DC Department of Buildings permit B2304249: issued Apr 23, 2024 for addition work at 403 7th St SE. Capitol Hill Historic District Site of Southeast Branch Library Modernize and expand the current facility including: Maintaining and rehabilitating the historic existing upper floor and interior entrance stair. Removing the existing lower floor and expanding the building underground. The floor-to-floor height between the existing upper and lower floors is only 10 . The new ground floor will be 14 below the existing upper floor. A third floor will be constructed below grade, a portion of which will be a vault projecting into the public parking space on South Carolina Ave. A new, 3-story addition will infill the open space on site between the west end of the library and the existing properties to the west. The addition will provide vertical circulation elements connecting all floors, public restrooms, spaces for building systems, and, at the ground floor, a new universally accessible public entrance. The vestibule for this entrance projects into public space. New systems, and the associated utility services, will be provided for the entire building. New landscaping and hard scaping will be provided.

- Permit number: B2304249
- Issued: Apr 23, 2024
- Type of work: Addition (city: Construction, addition alteration repair)
- Status: Finished (city: Completed)
- Reported cost: Not listed
- ZIP code: 20003
- All permits at this address: https://nearbypermits.com/washington-dc/address/403-7th-st-se/

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Source: DC Department of Buildings permit data (https://opendata.dc.gov/datasets/7296e6392349498bb6ba6ba3db836644_18), District of Columbia, CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Checked 2026-10-15 02:23 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 403 7th St SE: https://nearbypermits.com/washington-dc/address/403-7th-st-se/