# Alteration or repair permit 100772971 at 70 W Madison St, Chicago

Chicago Department of Buildings permit 100772971: issued Aug 29, 2018 for alteration or repair work at 70 W Madison St. Installation of a fall protection/tie off system on the roof, penthouse and waterfall areas of existing high rise office building.

- Permit number: 100772971
- Issued: Aug 29, 2018
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $800,000
- 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 06:17 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/