# Alteration or repair permit 101076652 at 3737 W 99th St, Chicago

Chicago Department of Buildings permit 101076652: issued Mar 17, 2026 for alteration or repair work at 3737 W 99th St. Spr 2019 spr: full building permit for new 1-story 2,225 sqft central utility plant addition to existing...building and assocaited site work as per plans. Interior mechanical piping replacement, mechanical equipment replacement, chiller replacement, electrical transformers, electrical panels replacement, backup generator and associated power feeds. (Occupancy group e-1; type ii-b construction) (structural peer review).

- Permit number: 101076652
- Issued: Mar 17, 2026
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Issued (city: Active)
- Reported cost: $20,000,000
- ZIP code: 60655 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/3737-w-99th-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-17 13:21 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 3737 W 99th St: https://nearbypermits.com/chicago/address/3737-w-99th-st/