# Alteration or repair permit 100456678 at 351 E 21st St, Chicago

Chicago Department of Buildings permit 100456678: issued Oct 1, 2012 for alteration or repair work at 351 E 21st St. Remove and replace 312 openings consisting of 858 windows and 36 interior doors and drywall/millwork (around windows only) at interior. Masonry repairs as required for window installation. All work same as existing. No structural work. No change to landmarked interior spaces or exterior windows at landmarked interior spaces.

- Permit number: 100456678
- Issued: Oct 1, 2012
- Type of work: Alteration or repair (city: Permit - easy permit process)
- Status: Issued (city: not listed)
- Reported cost: $6,728,625
- ZIP code: 60616 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/351-e-21st-st/

---
Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-05 16:58 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 351 E 21st St: https://nearbypermits.com/chicago/address/351-e-21st-st/