# Alteration or repair permit B2509563 at 4527 9th St NW, Washington

DC Department of Buildings permit B2509563: issued May 4, 2026 for alteration or repair work at 4527 9th St NW. The project is the renovation of a 2 story brick house with cellar, located along 9th street in northwest washington dc. The project includes new structural beams. It also includes demolition and alteration of interior partitions to relocate the bedroom and bath at the cellar level, demolition and alteration of interior partitions to create a new powder room at the first floor, and demolition and alteration of interior partitions at the second floor to add 1 new bath. It includes 1 new exterior steps at the front yard as access to the cellar. The renovation will also include installation of a new HVAC system for the existing house. Mechanical, electrical, and plumbing contractors are responsible for final layout and design.

- Permit number: B2509563
- Issued: May 4, 2026
- Type of work: Alteration or repair (city: Construction, alteration and repair)
- Status: Issued (city: Permit issued)
- Reported cost: Not listed
- ZIP code: 20011
- All permits at this address: https://nearbypermits.com/washington-dc/address/4527-9th-st-nw/

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Source: DC Department of Buildings permit data (https://opendata.dc.gov/datasets/7296e6392349498bb6ba6ba3db836644_18), District of Columbia, CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Checked 2026-10-06 12:41 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 4527 9th St NW: https://nearbypermits.com/washington-dc/address/4527-9th-st-nw/