# Alteration or repair permit B2605390 at 4400 Massachusetts Ave NW, Washington

DC Department of Buildings permit B2605390: issued Jul 30, 2026 for alteration or repair work at 4400 Massachusetts Ave NW. Exterior alteration to 5,800SqFt of the terrace roof to include removal and replacement of the exisitng roof deck and drains. Installation of base sheet, insulation, roofing membrane, and metal flashing.

- Permit number: B2605390
- Issued: Jul 30, 2026
- Type of work: Alteration or repair (city: Construction, alteration and repair)
- Status: Issued (city: Permit issued)
- Reported cost: Not listed
- ZIP code: 20016
- All permits at this address: https://nearbypermits.com/washington-dc/address/4400-massachusetts-ave-nw/

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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 2026-10-12 13:51 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 4400 Massachusetts Ave NW: https://nearbypermits.com/washington-dc/address/4400-massachusetts-ave-nw/