# Alteration or repair permit 100707346 at 70 W Madison St, Chicago

Chicago Department of Buildings permit 100707346: issued Jun 14, 2017 for alteration or repair work at 70 W Madison St. Self-cert: interior alterations to existing 8th, 9th & 10th floor office space to include addition of communicating stair between floors 9 & 10. Structural peer review included. Existing/proposed use: business.

- Permit number: 100707346
- Issued: Jun 14, 2017
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Expired (city: Expired)
- Reported cost: $2,000,000
- 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 15:53 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/