# Addition permit B2600484 at 418 Warner St NW, Washington

DC Department of Buildings permit B2600484: issued Aug 5, 2026 for addition work at 418 Warner St NW. Renovation of an existing 2 story townhouse into a 2 unit building. The project includes demolition off part of internal walls and roof. The front fa?ade, including the porch, rear wall, as well as the party walls, will be retained. A vertical addition will be constructed, resulting in a 3 story building. The existing foundation will also be underpinned to provide a cellar.

- Permit number: B2600484
- Issued: Aug 5, 2026
- Type of work: Addition (city: Construction, addition alteration repair)
- Status: Issued (city: Permit issued)
- Reported cost: Not listed
- ZIP code: 20001
- All permits at this address: https://nearbypermits.com/washington-dc/address/418-warner-st-nw/

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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 18:47 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 418 Warner St NW: https://nearbypermits.com/washington-dc/address/418-warner-st-nw/