# Alteration or repair permit 101078530 at 900 N Michigan Ave, Chicago

Chicago Department of Buildings permit 101078530: issued Jan 21, 2026 for alteration or repair work at 900 N Michigan Ave. Self-cert 2019 CBRC: tenant buildout on the 17th floor, suite 1720. New partitions, ceilings, light fixtures, plumbing, millwork, finishes, electrical power, and ventilation work as per plans. No change to demising walls. Demo work under permit #101077049 (occupancy group B; type 1a construction).

- Permit number: 101078530
- Issued: Jan 21, 2026
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $2,100,000
- ZIP code: 60611 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/900-n-michigan-ave/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-09 21:15 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 900 N Michigan Ave: https://nearbypermits.com/chicago/address/900-n-michigan-ave/