# Alteration or repair permit 101077835 at 3121 W Byron St, Chicago

Chicago Department of Buildings permit 101077835: issued Mar 16, 2026 for alteration or repair work at 3121 W Byron St. Spr 2019 CBRC: exterior improvements for outdoor classroom and artificial turf infill at cps cleveland es. Exterior improvements only, no interior scope of work. Occupancy group e-1 (to remain), type ii-a construction (to remain).

- Permit number: 101077835
- Issued: Mar 16, 2026
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Issued (city: Active)
- Reported cost: $350,000
- 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 08:22 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/