New interior alteration of the 7th, 8th, & 9th floors
Alteration or repair at 455 Massachusetts Ave NW, Washington
DC Department of Buildings permit B2607323: issued Aug 31, 2026 for alteration or repair work at 455 Massachusetts Ave NW. New interior alteration of the 7th, 8th, & 9th floors. The work consists of structural stair demolition and slab infill. New minor electrical work. There is no change of use. 1200 SF.
- Permit number
- B2607323
- Issued
- Type of work
- Alteration or repair
- Status
- Issued
- Reported cost
- Not listed
- ZIP code
- 20001
- 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 455 Massachusetts Ave NW, and what's permitted nearby
The newest permit in the city's data is from Sep 28, 2026, 8 days ago. Permits issued after that won't appear here until the city publishes them.
DC Department of Buildings updated its data Oct 5, 2026. We checked it Oct 6, 03:10 UTC. See the city's official records (CC BY 4.0).
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