# Alteration or repair permit 100277035 at 20 S Wacker Dr, Chicago

Chicago Department of Buildings permit 100277035: issued Feb 26, 2009 for alteration or repair work at 20 S Wacker Dr. Renovation of existing office space on 2 north, 5 north and 5 south at 20 south wacker drive. Limited renovation to 4 north and 4 south for plumbing work. Conditional permit subject to field inspection. Certificate of occupancy is required. Conditional permit subject to audit and field inspection.

- Permit number: 100277035
- Issued: Feb 26, 2009
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $5,480,000
- ZIP code: 60606 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/20-s-wacker-dr/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-08 01:40 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 20 S Wacker Dr: https://nearbypermits.com/chicago/address/20-s-wacker-dr/