# Alteration or repair permit 101084991 at 3939 N Kostner Ave, Chicago

Chicago Department of Buildings permit 101084991: issued Jul 8, 2026 for alteration or repair work at 3939 N Kostner Ave. Interior and exterior alterations to existing two story frame 2 dwelling units apartment building with basement (occupancy R-5, construction type va). Interior alterations include electrical, plumbing and HVAC. New 3 story rear frame porch. Repair existing frame 2 car garage. Electrical work under permit b200471587. All work as per plans.

- Permit number: 101084991
- Issued: Jul 8, 2026
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Issued (city: Active)
- Reported cost: $120,000
- ZIP code: 60641 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/3939-n-kostner-ave/

---
Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-12 09:33 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 3939 N Kostner Ave: https://nearbypermits.com/chicago/address/3939-n-kostner-ave/