Second floor addition + alteration from an existing garage to single-family attached alley dwelling unit
Addition at 4 Library Ct SE, Washington
DC Department of Buildings permit B2506648: issued Nov 7, 2025 for addition work at 4 Library Ct SE. Second floor addition + alteration from an existing garage to single-family attached alley dwelling unit. Scope of work to include new mechanical, electrical, plumbing, and NFPA 13D fire protection system.
- Permit number
- B2506648
- Issued
- Type of work
- Addition
- Status
- Issued
- Reported cost
- Not listed
- ZIP code
- 20003
- 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 4 Library Ct SE, and what's permitted nearby
DC Department of Buildings updated its data Oct 9, 2026. We checked it Oct 10, 05:18 UTC. See the city's official records (District of Columbia, CC BY 4.0).
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