# Addition permit B2604827 at 5222 Illinois Ave NW, Washington

DC Department of Buildings permit B2604827: issued Jun 15, 2026 for addition work at 5222 Illinois Ave NW. Permit amendment to permit # b2407831 ? New rear stair and entryway to basement, area of disturbance = 45 sf.? Adding existing missing window in basement floor open space.? Revising the size of the window in basement floor bedroom.? Revising existing basement ceiling height to 6'-5'' and submitting approved code modification for minimum ceiling heights of habitable spaces in existing basements. ? No alteration in building footprint.building gross area = 1,967 sf.

- Permit number: B2604827
- Issued: Jun 15, 2026
- Type of work: Addition (city: Construction, addition alteration repair)
- Status: Issued (city: Permit issued)
- Reported cost: Not listed
- ZIP code: 20011
- All permits at this address: https://nearbypermits.com/washington-dc/address/5222-illinois-ave-nw/

---
Source: DC Department of Buildings permit data (https://opendata.dc.gov/datasets/7296e6392349498bb6ba6ba3db836644_18), CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Checked 2026-10-05 19:18 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 5222 Illinois Ave NW: https://nearbypermits.com/washington-dc/address/5222-illinois-ave-nw/