# Alteration or repair permit B2505851 at 1647 Lamont St NW, Washington

DC Department of Buildings permit B2505851: issued Sep 18, 2026 for alteration or repair work at 1647 Lamont St NW. This project is proposing an interior renovation of an existing 3-Story 16-Unit Multi-Family Structure over a cellar to be converted to a 3-Story 21-Unit Multi-Family Residence over a cellar. Full Mechanical, Electrical, & Plumbing Scope to be included. Gross floor area 17,300 SF.

- Permit number: B2505851
- Issued: Sep 18, 2026
- Type of work: Alteration or repair (city: Construction, alteration and repair)
- Status: Issued (city: Permit issued)
- Reported cost: Not listed
- ZIP code: 20010
- All permits at this address: https://nearbypermits.com/washington-dc/address/1647-lamont-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 2026-10-10 23:24 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 1647 Lamont St NW: https://nearbypermits.com/washington-dc/address/1647-lamont-st-nw/