# Alteration or repair permit 100619470 at 1400 W Greenleaf Ave, Chicago

Chicago Department of Buildings permit 100619470: issued Nov 10, 2015 for alteration or repair work at 1400 W Greenleaf Ave. Remove and replace (3) existing antennas with (3) new antennas (1 per sector). Install (3) new radios (1 per sector) with associated low-voltage cabling on existing att facility on rooftop, as per plans. At&t fa#: 10127823 / site# ilu0812. Electrical permit# 100620422. Previous building permit# 100544030.

- Permit number: 100619470
- Issued: Nov 10, 2015
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $31,500
- ZIP code: 60626 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/1400-w-greenleaf-ave/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-05 22:45 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 1400 W Greenleaf Ave: https://nearbypermits.com/chicago/address/1400-w-greenleaf-ave/