Preview 675,283 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 100838153

4840 W BYRON ST

REPLACE EXISTING 15 TON RTU. REPLACE WITH NEW 15 TON TRANE RTU, SELF CONTAINED, AIR COOLED, R410A, LOCATED ON THE ROOF.

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2019-08-28
Issued
2019-08-28
Time to issue
same day

Value and contractor

Declared value
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Total fee
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Contractor
HEATMASTERS INC

Chicago details

Review type
EASY PERMIT
Community area (code)
15

Data as of 2026-09-20.

Other permits issued in Chicago, August 2019