# Grading permit B200457288 at 2439 W Cortland St, Chicago

Chicago Department of Buildings permit B200457288: issued Jul 1, 2026 for grading work at 2439 W Cortland St. Install new geothermal vertical closed loop wells in rear yard of existing 2 dwelling unit condo building to serve unit 1- 1st floor and basement duplex unit only. Excavation for geothermal wells and associated trenching shall not be less than 1'-0" to adjacent property lines. Proposed quantity of 9, 4" dia. Wells to 50 ' below grade. Trenching shall not be deeper than 3' below finished grade. Includes replacing existing HVAC equipment with new geothermal heat pumps in same location. No relocation of equipment, modified duct work. No new partitions or equipment closets.

- Permit number: B200457288
- Issued: Jul 1, 2026
- Type of work: Grading (city: Other work, permit – express permit program)
- Status: Issued (city: Active)
- Reported cost: $40,000
- ZIP code: 60647 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/2439-w-cortland-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-06 05:41 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 2439 W Cortland St: https://nearbypermits.com/chicago/address/2439-w-cortland-st/