On Upper 3 Floors: Cut out and replace masonry mortar above the 3rd floor windows to the roof
Alteration or repair at 644 Massachusetts Ave NE 302, Washington
DC Department of Buildings permit B2500902: issued May 4, 2026 for alteration or repair work at 644 Massachusetts Ave NE 302. On Upper 3 Floors: Cut out and replace masonry mortar above the 3rd floor windows to the roof. Remove and replace the window perimeter sealant. Clean work area and adjacent surfaces. Rinse floors below work area.
- Permit number
- B2500902
- Issued
- Type of work
- Alteration or repair
- Status
- Issued
- Reported cost
- Not listed
- ZIP code
- 20002
- City's category
- Construction, alteration and repair
- City's status
- Permit issued
- Source
- DC Department of Buildings permit data (this record)
Type of work and status are our own standard labels, so permits compare across cities. The city's wording is in the "City's category" and "City's status" rows. We show costs under $100 as not listed, because filers often enter $0 or $1 when the city doesn't require a cost.
All permits at 644 Massachusetts Ave NE 302, and what's permitted nearby
DC Department of Buildings updated its data Oct 2, 2026. We checked it Oct 4, 21:47 UTC. Official data, CC BY 4.0.
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