# Alteration or repair permit 100361036 at 3121 W Byron St, Chicago

Chicago Department of Buildings permit 100361036: issued Oct 20, 2010 for alteration or repair work at 3121 W Byron St. Install 4 new antennas and 1 equipment cabinet on an existing roof top and chimney as per plans.

- Permit number: 100361036
- Issued: Oct 20, 2010
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $45,000
- ZIP code: 60618 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/3121-w-byron-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-12 03:19 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 3121 W Byron St: https://nearbypermits.com/chicago/address/3121-w-byron-st/