# Electrical permit B100551272 at 331 E Randolph St, Chicago

Chicago Department of Buildings permit B100551272: issued Jul 21, 2014 for electrical work at 331 E Randolph St. Install a 200 amp switch to an existing power panel. Install 2 1/2' conduit with (3) 3/0 and (1) #2 ground. Install 4" conduit for fiber from existing hand hole for a temporary wireless telecommunications facility on grant park.

- Permit number: B100551272
- Issued: Jul 21, 2014
- Type of work: Electrical (city: Electrical work, permit – express permit program)
- Status: Finished (city: Complete)
- Reported cost: $1,500
- ZIP code: 60601 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/331-e-randolph-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-03 21:31 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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