# Alteration or repair permit 101085809 at 850 N Lake Shore Dr, Chicago

Chicago Department of Buildings permit 101085809: issued Aug 12, 2026 for alteration or repair work at 850 N Lake Shore Dr. Spr 2019 CBRC: deconvert existing 2 condo residential units (#1903 and #1904 )to 1 residential unit. Existing building total 198 du to be reduced to 197 du. Use group r-2.remove portion of the existing non-structural demising partition as shown per plans. No change to existing mep.for existing sprinklered 20 story residential building with accessory uses, construction type i-a.

- Permit number: 101085809
- Issued: Aug 12, 2026
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Issued (city: Active)
- Reported cost: $12,000
- ZIP code: 60611 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/850-n-lake-shore-dr/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-02 22:34 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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