# Electrical permit B100874830 at 123 N Wacker Dr, Chicago

Chicago Department of Buildings permit B100874830: issued May 19, 2020 for electrical work at 123 N Wacker Dr. Revision to permit #100871196 to change electrical contractor to rex electric, inc.

- Permit number: B100874830
- Issued: May 19, 2020
- Type of work: Electrical (city: Administrative change, permit – express permit program)
- Status: Finished (city: Complete)
- Reported cost: Not listed
- ZIP code: 60606 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/123-n-wacker-dr/

---
Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-03 02:21 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.