Preview 947,032 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 B200446726

4531 N TROY ST

INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: LOW-SLOPED (<2:12). INVERTER OUTPUT: 11.5 KW. ARRAY OUTPUT: 0.0132 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. LOCATION: ROOFTOP. ICC DISTRIBUTED GENERATION INSTALLER CERT. #24-0198.

Permit

Permit type
PERMIT – EXPRESS PERMIT PROGRAM
Class
Unknown
Trade
Electrical
Nature of work
Other
Work
Small-Scale Solar PV System
Status
COMPLETE

Location

City
Chicago
State
IL

Dates

Applied
2025-10-14
Issued
2025-12-01
Time to issue
48 days

Value and contractor

Declared value
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Total fee
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Contractor
ION DEVELOPER LLC

Chicago details

Review type
EXPRESS PERMIT PROGRAM
Milestone
COMPLETE
Community area (code)
14

Data as of 2026-09-21.

Other permits issued in Chicago, December 2025