# Alteration or repair permit 101081462 at 1851 W Byron St, Chicago

Chicago Department of Buildings permit 101081462: issued Aug 7, 2026 for alteration or repair work at 1851 W Byron St. Self-cert 2019 CBRC. Renovation/rear addition to a single-family residence with a level 2 alteration (r5 occupancy & construction type va). Project scope includes electrical, plumbing, mechanical & architectural changes (including rear exterior exit stair). The third floor addition (raising roof) requires zoning relief (administrative adjustment for the building height, czo 17-13-1003-l (1.)).

- Permit number: 101081462
- Issued: Aug 7, 2026
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Issued (city: Active)
- Reported cost: $600,000
- ZIP code: 60613 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/1851-w-byron-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-06 05:41 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 1851 W Byron St: https://nearbypermits.com/chicago/address/1851-w-byron-st/