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 100749578

1850 N CLARK ST

REPLACE TWO CHILLERS WITH TWO 250 TON, WATER COOLED, R134A(702#), DAIKIN CHILLERS, LOCATED IN THE BASEMENT, AND SERVING THE CHILLER PLANT. REPLACE ASSOCIATED PIPING, AND BRING MACHINERY ROOM UP TO CODE. REPLACE ONE COOLING TOWER WITH ONE SINGLE CELL, 500 TON, BAC TOWER, LOCATED ON THE ROOF. 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
2018-03-01
Issued
2018-03-01
Time to issue
same day

Value and contractor

Declared value
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Total fee
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Contractor
MIDWEST MECHANICAL

Chicago details

Review type
EASY PERMIT
Community area (code)
7

Data as of 2026-09-20.

Other permits issued in Chicago, March 2018