# Mechanical (HVAC) permit 100454550 at 29 E Madison St, Chicago

Chicago Department of Buildings permit 100454550: issued Aug 21, 2012 for mechanical (hvac) work at 29 E Madison St. Patch/replace drywall as needed & replace existing ventilation diffusers- all work in suite 1520 & all work will match existing (certified balancer required) - interior work only.

- Permit number: 100454550
- Issued: Aug 21, 2012
- Type of work: Mechanical (HVAC) (city: Permit - easy permit process)
- Status: Issued (city: not listed)
- Reported cost: $2,970
- ZIP code: 60602 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/29-e-madison-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-03 11:51 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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