# Alteration or repair permit B2606549 at 1401 Massachusetts Ave NW, Washington

DC Department of Buildings permit B2606549: issued Sep 18, 2026 for alteration or repair work at 1401 Massachusetts Ave NW. Renovation of an existing office space within an existing building. New walls, furniture and finishes in areas of work noted. New electrical and mechanical per new layout. No work to exterior.

- Permit number: B2606549
- 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: 20005
- All permits at this address: https://nearbypermits.com/washington-dc/address/1401-massachusetts-ave-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 20:21 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 1401 Massachusetts Ave NW: https://nearbypermits.com/washington-dc/address/1401-massachusetts-ave-nw/