# Alteration or repair permit 101070171 at 140 S Dearborn St, Chicago

Chicago Department of Buildings permit 101070171: issued Jul 11, 2025 for alteration or repair work at 140 S Dearborn St. Self-cert 2019 CBC: interior alteration, existing offices on the 8th floor, suites 810 & 820. 7,445 SQ FT. No change to group B occupancy or construction type i-a.

- Permit number: 101070171
- Issued: Jul 11, 2025
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $744,500
- ZIP code: 60603 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/140-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 05:56 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 140 S Dearborn St: https://nearbypermits.com/chicago/address/140-s-dearborn-st/