Preview 555,290 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 100837479

4201 S ASHLAND AVE

ADD ONE FRICK 480 TON COMPRESSOR TO AN EXISTING MACHINE ROOM, ADD TWO EVAPCO AMMONIA EVAPORATORS AND ONE EVAPCO CRITICAL PROCESS AIR UNIT. ALL PIPING AND COMPONENTS INCLUDED.

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2019-08-23
Issued
2019-08-23
Time to issue
same day

Chicago details

Review type
EASY PERMIT
Community area (code)
61

Data as of 2026-09-20.

Other permits issued in Chicago, August 2019