# Alteration or repair permit 100575780 at 70 E Walton St, Chicago

Chicago Department of Buildings permit 100575780: issued Feb 4, 2015 for alteration or repair work at 70 E Walton St. Self certification: interior alterations in existing residential building on the 11th & 12th floor penthouse level combining 3 units into a single unit (increasing the number of dwelling units from 24 to 25) as per plans.conditional permit subject to field inspection and audit. 70 E Walton.

- Permit number: 100575780
- Issued: Feb 4, 2015
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $621,000
- ZIP code: 60611 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/70-e-walton-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-02 20:19 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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