# Alteration or repair permit 100773166 at 70 W Madison St, Chicago

Chicago Department of Buildings permit 100773166: issued Aug 2, 2018 for alteration or repair work at 70 W Madison St. Self-cert. Project - interior alterations on the 30th floor, to expand existing office suite 3000, by 7,050 sqft, new partitions, plumbing, ventilation and electrical as per plans. (No change in use).

- Permit number: 100773166
- Issued: Aug 2, 2018
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $195,000
- 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 2026-10-06 14:52 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/