# Mechanical (HVAC) permit B200474253 at 447 E 91st Pl, Chicago

Chicago Department of Buildings permit B200474253: issued Jun 17, 2026 for mechanical (hvac) work at 447 E 91st Pl. New heat pump or refrigeration equip., electrical work under this permit = yes. Locations: 1 residential unit(s), 0 non-residential unit(s), exterior work, basement and backyard.

- Permit number: B200474253
- Issued: Jun 17, 2026
- Type of work: Mechanical (HVAC) (city: Mechanical work, permit – express permit program)
- Status: Issued (city: Active)
- Reported cost: $16,000
- ZIP code: 60619 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/447-e-91st-pl/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-04 11:08 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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