# Alteration or repair permit 101077484 at 150 N Michigan Ave, Chicago

Chicago Department of Buildings permit 101077484: issued Jan 21, 2026 for alteration or repair work at 150 N Michigan Ave. Self-cert 2019 CBRC: interior renovations of office tenant space on floor 21. Renovation includes preparatory interior demolition and new nonstructural interior partitions, updated finishes, new MEP, fire protection, and accessibility upgrades. (Occupany group B; type 1a construction).

- Permit number: 101077484
- Issued: Jan 21, 2026
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Issued (city: Active)
- Reported cost: $226,140
- ZIP code: 60601 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/150-n-michigan-ave/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-05 19:27 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 150 N Michigan Ave: https://nearbypermits.com/chicago/address/150-n-michigan-ave/