# Alteration or repair permit 101083437 at 641 W Lake St, Chicago

Chicago Department of Buildings permit 101083437: issued Jun 1, 2026 for alteration or repair work at 641 W Lake St. Self-cert 2019 CBRC: revision to permit #101079532 for employee restroom configuration and partition layout revisions. (Occupancy group B; type IV construction; fully sprinklered). As per plans.

- Permit number: 101083437
- Issued: Jun 1, 2026
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Issued (city: Active)
- Reported cost: $230,000
- ZIP code: 60661 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/641-w-lake-st/

---
Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-05 21:34 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 641 W Lake St: https://nearbypermits.com/chicago/address/641-w-lake-st/