Preview 436,579 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 100900106

444 N MICHIGAN AVE

REPLACE ONE CHILLER WITH ONE, 1100 TON, WATER COOLED, SELF-CONTAINED, R134A(1464#), YORK CENTRIFUGAL CHILLER, LOCATED ON THE 20TH FLOOR, AND SERVING THE ENTIRE BUILDING. REPLACE TEN CHILLED WATER COILS, AND BRING MACHINE ROOM UP TO CODE.

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2020-11-17
Issued
2020-11-17
Time to issue
same day

Chicago details

Review type
EASY PERMIT
Community area (code)
8

Data as of 2026-09-20.

Other permits issued in Chicago, November 2020