Preview 887,040 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 100899384

4540 N HAMLIN AVE

CPS SCHOOL - NO CHANGE IN USE - SELF CERT - REPLACEMENT OF EXISTING MECHANICAL AIR HANDLING UNIT WITH A ROOF TOP UNIT, AND ASSOCIATED WORK RELATED TO THE REPLACEMENT. ALSO, REPAIRS TO EXISTING MECHANICAL COMPONENTS IN MAIN BUILDING.

Permit

Permit type
PERMIT - RENOVATION/ALTERATION
Class
Unknown
Trade
Electrical
Nature of work
Alteration
Status
EXPIRED

Location

City
Chicago
State
IL

Dates

Applied
2020-12-10
Issued
2020-12-10
Time to issue
same day

Value and contractor

Declared value
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Total fee
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Contractor
IDEAL HEATING COMPANY

Chicago details

Review type
SELF CERT
Milestone
INSPECTIONS
Community area (code)
14

Data as of 2026-09-20.

Other permits issued in Chicago, December 2020