# Alteration or repair permit 100688264 at 441 E Ontario St, Chicago

Chicago Department of Buildings permit 100688264: issued Feb 22, 2017 for alteration or repair work at 441 E Ontario St. (Self certification) for the removal of an existing drywall ceiling and installation of a new metal ceiling in its place for an existing building of type 1 construction, class b/h3 occupancy. There is no change to the construction or occupancy type.

- Permit number: 100688264
- Issued: Feb 22, 2017
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $1,000,000
- ZIP code: 60611 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/441-e-ontario-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-06 23:09 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 441 E Ontario St: https://nearbypermits.com/chicago/address/441-e-ontario-st/