This project proposes alteration and addition to existing 3 story single family structure with garage
Addition at 421 Quincy St NW, Washington
DC Department of Buildings permit B2504021: issued May 18, 2026 for addition work at 421 Quincy St NW. This project proposes alteration and addition to existing 3 story single family structure with garage structure at 421 quincy st NW to convert to a 3-unit multi-family structure through pdrm meeting approval. No under pinning in scope ofwork.
- Permit number
- B2504021
- Issued
- Type of work
- Addition
- Status
- Issued
- Reported cost
- Not listed
- ZIP code
- 20011
- 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 421 Quincy St NW, and what's permitted nearby
DC Department of Buildings updated its data Oct 5, 2026. We checked it Oct 5, 12:26 UTC. Official data, CC BY 4.0.
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