Complete interior renovation and rear addition to an existing single-family residence along with an accessory
Addition at 4510 Harrison St NW, Washington
DC Department of Buildings permit B2509898: issued May 29, 2026 for addition work at 4510 Harrison St NW. Complete interior renovation and rear addition to an existing single-family residence along with an accessory dwelling unit.
- Permit number
- B2509898
- Issued
- Type of work
- Addition
- Status
- Issued
- Reported cost
- Not listed
- ZIP code
- 20015
- City's category
- Construction, addition alteration 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 4510 Harrison St NW, and what's permitted nearby
DC Department of Buildings updated its data Oct 5, 2026. We checked it Oct 5, 22:58 UTC. See the city's official records (CC BY 4.0).
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