# Alteration or repair permit 100666066 at 1 S Dearborn St, Chicago

Chicago Department of Buildings permit 100666066: issued Sep 13, 2016 for alteration or repair work at 1 S Dearborn St. Self cert interior renovation of existing tenant office suite on 7th floor. Renovation includes new interior partitions, ceilings, lighting and finishes, as well as the reworking of existing HVAC, electrical, plumbing, sprinklers and fire alarm. Current use: business/ small assembly. Proposed use: business/ small assembly. Conditioal permit subject to field inspection.

- Permit number: 100666066
- Issued: Sep 13, 2016
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $346,920
- 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 2026-10-10 07:56 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/