# Alteration or repair permit B2603891 at 3100 Dumbarton St NW, Washington

DC Department of Buildings permit B2603891: issued Jun 17, 2026 for alteration or repair work at 3100 Dumbarton St NW. Revision to building permit B2506942 to include a reduction in underpinning scope and layout changes on the lower and ground levels.

- Permit number: B2603891
- Issued: Jun 17, 2026
- Type of work: Alteration or repair (city: Construction, alteration and repair)
- Status: Issued (city: Permit issued)
- Reported cost: Not listed
- ZIP code: 20007
- All permits at this address: https://nearbypermits.com/washington-dc/address/3100-dumbarton-st-nw/

---
Source: DC Department of Buildings permit data (https://opendata.dc.gov/datasets/7296e6392349498bb6ba6ba3db836644_18), CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Checked 2026-10-05 17:06 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 3100 Dumbarton St NW: https://nearbypermits.com/washington-dc/address/3100-dumbarton-st-nw/