# Addition permit B2605147 at 2721 Dumbarton St NW, Washington

DC Department of Buildings permit B2605147: issued Jul 6, 2026 for addition work at 2721 Dumbarton St NW. 1. Two-story and cellar addition 2. New cellar level under existing footprint 3. Partial excavation of existing front yard to create access path to new front entrance 4. Wood siding replaced in kind 5. Interior renovation 6. Basement slab replacement in the same location. Work Area Affected: 2,440 sq. ft.

- Permit number: B2605147
- Issued: Jul 6, 2026
- Type of work: Addition (city: Construction, addition alteration repair)
- Status: Issued (city: Permit issued)
- Reported cost: Not listed
- ZIP code: 20007
- All permits at this address: https://nearbypermits.com/washington-dc/address/2721-dumbarton-st-nw/

---
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 2026-10-08 18:33 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 2721 Dumbarton St NW: https://nearbypermits.com/washington-dc/address/2721-dumbarton-st-nw/