# Alteration or repair permit 100879420 at 70 W Madison St, Chicago

Chicago Department of Buildings permit 100879420: issued Jul 1, 2020 for alteration or repair work at 70 W Madison St. Self-certification for the interior alterations to approximately 5,200 sf of commercial office space on the 22nd floor of an existing high rise building in the central business district. The current use group is "e" business and will remain "e" business.

- Permit number: 100879420
- Issued: Jul 1, 2020
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $960,000
- ZIP code: 60602 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/70-w-madison-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-05 16:59 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 70 W Madison St: https://nearbypermits.com/chicago/address/70-w-madison-st/