# Alteration or repair permit 100200485 at 142 E Ontario St, Chicago

Chicago Department of Buildings permit 100200485: issued Sep 18, 2007 for alteration or repair work at 142 E Ontario St. 18 Story office building. Concrete patch repair & caulking. All work same as existing.

- Permit number: 100200485
- Issued: Sep 18, 2007
- Type of work: Alteration or repair (city: Permit - easy permit process)
- Status: Issued (city: not listed)
- Reported cost: $80,000
- ZIP code: 60611 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/142-e-ontario-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-07 06:13 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 142 E Ontario St: https://nearbypermits.com/chicago/address/142-e-ontario-st/