# Mechanical (HVAC) permit B200477266 at 112 S Michigan Ave, Chicago

Chicago Department of Buildings permit B200477266, issued Aug 31, 2026 for 112 S Michigan Ave: mechanical (hvac). Hydronic piping extension/reconfiguration, electrical work under this permit = yes . Locations: 0 residential unit(s), 1 non-residential unit(s), mech penthouse at level 18.

- Permit number: B200477266
- Issued: Aug 31, 2026
- Type of work: Mechanical (HVAC) (city: Mechanical work, permit – express permit program)
- Status: Issued (city: Active)
- Reported cost: $450,000
- ZIP code: 60603 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/112-s-michigan-ave/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-02 09:27 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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