# Addition permit B2509475 at 605 Constitution Ave NE, Washington

DC Department of Buildings permit B2509475: issued Jun 26, 2026 for addition work at 605 Constitution Ave NE. One story addition at second floor.

- Permit number: B2509475
- Issued: Jun 26, 2026
- Type of work: Addition (city: Construction, addition alteration repair)
- Status: Issued (city: Permit issued)
- Reported cost: Not listed
- ZIP code: 20002
- All permits at this address: https://nearbypermits.com/washington-dc/address/605-constitution-ave-ne/

---
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 2026-10-06 11:17 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 605 Constitution Ave NE: https://nearbypermits.com/washington-dc/address/605-constitution-ave-ne/