# Alteration or repair permit 100887458 at 15 E Oak St, Chicago

Chicago Department of Buildings permit 100887458: issued Dec 15, 2020 for alteration or repair work at 15 E Oak St. *Spr 2019 cbrc* interior demo & construction to lower basement level, levels 1,2 & 3, existing center atrium stair & ceiling above center atrium stair to be removed in its entirety. Stair floor openings to be infilled at levels 1 & 2. New egress stair between lower basement & 1st level. Relocate existing smoke evacuation system from level 1 to 3, alteration of mechanical ductwork and plumbing lines & existing fire protection and electrical systems as result of atrium stair removal and smoke evacuation equipment relocation per plans existing/ proposed use: mercantile. **Certified plans corrections: conditional permit subject to field inspections **.

- Permit number: 100887458
- Issued: Dec 15, 2020
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $376,319
- ZIP code: 60611 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/15-e-oak-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-03 01:41 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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