# Alteration or repair permit 100596050 at 431 S Dearborn St, Chicago

Chicago Department of Buildings permit 100596050: issued May 20, 2015 for alteration or repair work at 431 S Dearborn St. Dismantle existing brick chimney at 16th floor and cap.

- Permit number: 100596050
- Issued: May 20, 2015
- Type of work: Alteration or repair (city: Permit - easy permit process)
- Status: Issued (city: not listed)
- Reported cost: $32,250
- ZIP code: 60605 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/431-s-dearborn-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-12 10:43 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 431 S Dearborn St: https://nearbypermits.com/chicago/address/431-s-dearborn-st/