# Mechanical (HVAC) permit 100106727 at 21 E Chestnut St, Chicago

Chicago Department of Buildings permit 100106727: issued Apr 10, 2006 for mechanical (hvac) work at 21 E Chestnut St. Replacement of existing a/c unit for small lobby. Install one rheem 4 ton condensing unit on grade, air cooled,remote, one compressor, r-22.

- Permit number: 100106727
- Issued: Apr 10, 2006
- Type of work: Mechanical (HVAC) (city: Permit - easy permit process)
- Status: Issued (city: not listed)
- Reported cost: Not listed
- ZIP code: 60610 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/21-e-chestnut-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-06 15:21 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 21 E Chestnut St: https://nearbypermits.com/chicago/address/21-e-chestnut-st/
