# Alteration or repair permit 100921473 at 2230 N Keystone Ave, Chicago

Chicago Department of Buildings permit 100921473: issued Aug 4, 2021 for alteration or repair work at 2230 N Keystone Ave. Spr 2019 CBC. Interior renovation of existing 1-1/2 story frame 2 dwelling unit building, new attic duplex, and new rear frame porch. Mechanical, electrical and plumbing included. All work as per plans.

- Permit number: 100921473
- Issued: Aug 4, 2021
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Issued (city: Active)
- Reported cost: $150,000
- ZIP code: 60639 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/2230-n-keystone-ave/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-06 13:06 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 2230 N Keystone Ave: https://nearbypermits.com/chicago/address/2230-n-keystone-ave/