# Alteration or repair permit 101081306 at 645 N Michigan Ave, Chicago

Chicago Department of Buildings permit 101081306: issued May 7, 2026 for alteration or repair work at 645 N Michigan Ave. Interior build-out for a speculative office suite in suite 540. This is a business use in an existing business use space. The project is located in an existing high-rise building and is fully sprnklered and has a full fire alarm system.

- Permit number: 101081306
- Issued: May 7, 2026
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Issued (city: Active)
- Reported cost: $190,133
- ZIP code: 60611 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/645-n-michigan-ave/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-03 05:35 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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