# Alteration or repair permit 100840420 at 311 S Wacker Dr, Chicago

Chicago Department of Buildings permit 100840420: issued Oct 18, 2019 for alteration or repair work at 311 S Wacker Dr. Self-cert. Project: interior build out of a new suite, 4900, in existing office building on the 49th floor, new partitions, plumbing, ventilation, and, electrical, as per plans. (No change to use).

- Permit number: 100840420
- Issued: Oct 18, 2019
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $577,441
- ZIP code: 60606 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/311-s-wacker-dr/

---
Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-05 16:55 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

This site provides applications using data that has been modified for use from its original source, www.cityofchicago.org, the official website of the City of Chicago. The City of Chicago makes no claims as to the content, accuracy, timeliness, or completeness of any of the data provided at this site. The data provided at this site is subject to change at any time. It is understood that the data provided at this site is being used at one's own risk.

Every permit at 311 S Wacker Dr: https://nearbypermits.com/chicago/address/311-s-wacker-dr/