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 100971717

9100 S WINCHESTER AVE

[SELF-CERTIFICATION PERMIT; NO CHANGE IN USE. EXISTING USE TO REMAIN (SFR)] FOUNDATION MODIFICATION(S)/REVISION TO ORIGINAL BUILDING PERMIT #100940491, AS PER PLANS. EXISTING 2-STORY, TYPE 3A SINGLE FAMILY RESIDENCE WITH BASEMENT.

Permit

Permit type
PERMIT - RENOVATION/ALTERATION
Class
Unknown
Trade
General/Building
Nature of work
Alteration
Status
COMPLETE

Location

City
Chicago
State
IL

Dates

Applied
2022-05-24
Issued
2022-05-24
Time to issue
same day

Value and contractor

Declared value
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Total fee
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Contractor
K SPARKS INC

Chicago details

Review type
SELF CERT
Milestone
COMPLETE
Community area (code)
72

Data as of 2026-09-20.

Other permits issued in Chicago, May 2022