Preview 1,117,532 permits — every permit Chicago, Austin and Seattle issued in the last ten years. The full load is in progress, so this is how far it has got. Sourced from city open-data portals. Data as of 2026-09-21.

Chicago · permit B200457288

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

Permit type
PERMIT – EXPRESS PERMIT PROGRAM
Class
Unknown
Trade
General/Building
Nature of work
Other
Work
Other Work
Status
ACTIVE

Location

City
Chicago
State
IL

Dates

Applied
2026-02-20
Issued
2026-07-01
Time to issue
131 days

Chicago details

Review type
EXPRESS PERMIT PROGRAM
Milestone
INSPECTIONS
Community area (code)
22

Data as of 2026-09-21.

Other permits issued in Chicago, July 2026