# Alteration or repair permit 100933215 at 1 N Dearborn St, Chicago

Chicago Department of Buildings permit 100933215: issued Aug 10, 2021 for alteration or repair work at 1 N Dearborn St. Self-cert 2019 CBRC: interior build-out on the 11th floor; suite 1100. Work include interior partitions, finish, electrical and mechanical. No plumbing and structural work to be performed. (Construction type IA; occupancy group b).

- Permit number: 100933215
- Issued: Aug 10, 2021
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $150,000
- 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 2026-10-05 12:08 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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