# Alteration or repair permit 100717184 at 917 W 18th St, Chicago

Chicago Department of Buildings permit 100717184: issued Aug 7, 2017 for alteration or repair work at 917 W 18th St. Self cert interior office build out for quantum crossings on 4th floor only. Existing 5 story office building construction type 3a - heavy timber. Fully sprinklered. All work as per plans.

- Permit number: 100717184
- Issued: Aug 7, 2017
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $15,000
- ZIP code: 60608 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/917-w-18th-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-16 15:20 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 917 W 18th St: https://nearbypermits.com/chicago/address/917-w-18th-st/