# Alteration or repair permit B200448255 at 1 N Dearborn St, Chicago

Chicago Department of Buildings permit B200448255, issued Oct 30, 2025 for 1 N Dearborn St: alteration or repair. Masonry repairs at top of stair tower perimeter and install supplemental steel as noted on drawing sk1. Locations: 0 residential unit(s), 1 non-residential unit(s), exterior work, south stair tower.

- Permit number: B200448255
- Issued: Oct 30, 2025
- Type of work: Alteration or repair (city: Other work, permit – express permit program)
- Status: Issued (city: Active)
- Reported cost: $148,748
- ZIP code: 60602 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/1-n-dearborn-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-01 14:54 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/