Underpinning design to increase ceiling height at front portion of basement by lowering slab on grade
Alteration or repair at 511 3rd St NE, Washington
DC Department of Buildings permit B2505957: issued Oct 7, 2025 for alteration or repair work at 511 3rd St NE. Underpinning design to increase ceiling height at front portion of basement by lowering slab on grade. Installation of interior waterproofing: Perimeter footing drain, drainboard and sump pump.
- Permit number
- B2505957
- Issued
- Type of work
- Alteration or repair
- Status
- Finished
- Reported cost
- Not listed
- ZIP code
- 20002
- City's category
- Construction, alteration and repair
- City's status
- Completed
- 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 511 3rd St NE, and what's permitted nearby
DC Department of Buildings updated its data Oct 7, 2026. We checked it Oct 8, 09:03 UTC. See the city's official records (District of Columbia, CC BY 4.0).
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