Preview 1,007,018 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 100841939

4801 S OAKLEY AVE

REPLACE ONE AMMONIA CONDENSING UNIT WITH ONE 450 TON, WATER COOLED, REMOTE, R-717 BAC CONDENSING UNIT, LOCATED ON THE ROOF, AND SERVING THE AMMONIA SYSTEM.

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2019-09-20
Issued
2019-09-20
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, September 2019