# Mechanical (HVAC) permit 100542313 at 50 E Washington St, Chicago

Chicago Department of Buildings permit 100542313: issued May 23, 2014 for mechanical (hvac) work at 50 E Washington St. Change HVAC contractor to d & k sheet metal for permit 100518988.

- Permit number: 100542313
- Issued: May 23, 2014
- Type of work: Mechanical (HVAC) (city: Permit - easy permit process)
- Status: Issued (city: not listed)
- Reported cost: Not listed
- ZIP code: 60602 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/50-e-washington-st/

---
Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-06 09:15 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 50 E Washington St: https://nearbypermits.com/chicago/address/50-e-washington-st/