# Fire systems permit B101004800 at 121 W Chestnut St, Chicago

Chicago Department of Buildings permit B101004800: issued Mar 28, 2023 for fire systems work at 121 W Chestnut St. Fire alarm permit replacement of the existing fire alarm and voice communication panels and remote transponders with new fire alarm and voice communication panels and remote transponders.

- Permit number: B101004800
- Issued: Mar 28, 2023
- Type of work: Fire systems (city: Fire alarm system, permit – express permit program)
- Status: Finished (city: Complete)
- Reported cost: $50,000
- ZIP code: 60610 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/121-w-chestnut-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-12 17:19 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 121 W Chestnut St: https://nearbypermits.com/chicago/address/121-w-chestnut-st/