# Mechanical (HVAC) permit B200429496 at 55 E Monroe St, Chicago

Chicago Department of Buildings permit B200429496: issued Nov 3, 2025 for mechanical (hvac) work at 55 E Monroe St. Hydronic piping extension/reconfiguration, gas piping extension/reconfiguration, repair/replacement affecting 1 systems : 4 other heating equipment(precision electric hot water boiler model# hw36d-1840d- 480-150). Electrical work under this permit = no. Locations: 0 residential unit(s), 1 non-residential unit(s), mechanical room/boiler room.

- Permit number: B200429496
- Issued: Nov 3, 2025
- Type of work: Mechanical (HVAC) (city: Mechanical work, permit – express permit program)
- Status: Issued (city: Active)
- Reported cost: $2,563,872
- ZIP code: 60603 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/55-e-monroe-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-06 17:26 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 55 E Monroe St: https://nearbypermits.com/chicago/address/55-e-monroe-st/