# Alteration or repair permit 100306635 at 351 E 21st St, Chicago

Chicago Department of Buildings permit 100306635: issued Oct 1, 2009 for alteration or repair work at 351 E 21st St. Remodeling of previously constructed computer rooms to add electrical panels, revise lighting and sprinklers, add a door and construct a small reception area.

- Permit number: 100306635
- Issued: Oct 1, 2009
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $1,600,000
- ZIP code: 60616 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/351-e-21st-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-05 21:36 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 351 E 21st St: https://nearbypermits.com/chicago/address/351-e-21st-st/