# Alteration or repair permit 100994288 at 1 S Dearborn St, Chicago

Chicago Department of Buildings permit 100994288: issued Jan 12, 2023 for alteration or repair work at 1 S Dearborn St. Self cert 2019 CBRC: full floor build out of (4) spec office suites along with a new public corridor and renovations to the existing elevator lobby of the 15th floor as per plans. IA Construction, b-occupancy.

- Permit number: 100994288
- Issued: Jan 12, 2023
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $3,750,000
- ZIP code: 60603 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/1-s-dearborn-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-09 18:14 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 1 S Dearborn St: https://nearbypermits.com/chicago/address/1-s-dearborn-st/