# Alteration or repair permit 101086615 at 1644 N Damen Ave, Chicago

Chicago Department of Buildings permit 101086615: issued Aug 19, 2026 for alteration or repair work at 1644 N Damen Ave. Self-cert 2019 CBRC: alterations to existing tenant space within existing 2-story single-tenant building. Alterations include lowering of first floor, conversion of existing second floor to equipment platform, resulting in a 1-story building, a 1-story addition at the front of the building, an equipment/mechnical platoform and change in use from b-business to m-mercantile. Work includes interior partition walls, electrical, plumbing, mechanical, and structural. All signage is under separate permit. Existing construction type: type v-b - occupancy, new construction type at area of addition: ii-b in building: class m (mercantile).

- Permit number: 101086615
- Issued: Aug 19, 2026
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Issued (city: Active)
- Reported cost: $400,000
- ZIP code: 60647 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/1644-n-damen-ave/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-05 20:17 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 1644 N Damen Ave: https://nearbypermits.com/chicago/address/1644-n-damen-ave/