# Alteration or repair permit B2605809 at 1621 33rd St NW, Washington

DC Department of Buildings permit B2605809: issued Sep 16, 2026 for alteration or repair work at 1621 33rd St NW. CFA / H Attached single-family home - Underpinning an existing crawlspace to form an additional bedroom and bathroom. Underpinning the existing basement to provide additional ceiling height. Re-work the existing staircase to accommodate the new space. Alter the existing joists on the first floor to frame the new staircase. New mini-split HVAC system to serve the new basement space. New window well. New insulation, drywall, electrical, and plumbing to finish the space. Area affected by this scope: 701 SF.

- Permit number: B2605809
- Issued: Sep 16, 2026
- Type of work: Alteration or repair (city: Construction, alteration and repair)
- Status: Issued (city: Permit issued)
- Reported cost: Not listed
- ZIP code: 20007
- All permits at this address: https://nearbypermits.com/washington-dc/address/1621-33rd-st-nw/

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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 22:45 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 1621 33rd St NW: https://nearbypermits.com/washington-dc/address/1621-33rd-st-nw/