Preview 192,160 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 2026-09-20.

Chicago · permit 100728101

77 W WACKER DR

REPLACE FOUR COOLING TOWERS WITH FOUR, 2045 GPM, EVAPCO COOLING TOWERS, LOCATED ON THE ROOF, AND SERVING THE ENTIRE BUILDING. STAMPED PLANS PROVIDED.

Permit

Permit type
PERMIT - EASY PERMIT PROCESS
Class
Unknown
Trade
Mechanical
Nature of work
Other

Location

City
Chicago
State
IL

Dates

Applied
2017-09-27
Issued
2017-09-27
Time to issue
same day

Chicago details

Review type
EASY PERMIT
Community area (code)
32

Data as of 2026-09-20.

Other permits issued in Chicago, September 2017