# Roofing permit 100749578 at 1850 N Clark St, Chicago

Chicago Department of Buildings permit 100749578: issued Mar 1, 2018 for roofing work at 1850 N Clark St. Replace two chillers with two 250 ton, water cooled, r134a(702#), daikin chillers, located in the basement, and serving the chiller plant. Replace associated piping, and bring machinery room up to code. Replace one cooling tower with one single cell, 500 ton, bac tower, located on the roof. Stamped plans provided.

- Permit number: 100749578
- Issued: Mar 1, 2018
- Type of work: Roofing (city: Permit - easy permit process)
- Status: Issued (city: not listed)
- Reported cost: Not listed
- ZIP code: 60614 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/1850-n-clark-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-06 12:08 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 1850 N Clark St: https://nearbypermits.com/chicago/address/1850-n-clark-st/