Preview 192,160 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 100763010

3543 N JANSSEN AVE

SELF-CERT: DE-CONVERSION OF EXISTING THREE STORY TYPE IV-A TWO-FLAT INTO A SINGLE FAMILY RESIDENCE. ERECT 3RD FLOOR ADDITION, REAR OPEN DECK, INTERIOR RENOVATIONS WITH NEW DETACHED GARAGE. SPRINKLER SYSTEM INSTALLATION TO BE SEPARATE SUBMISSION TO THE FIRE DEPT.

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2018-09-06
Issued
2018-09-06
Time to issue
same day

Value and contractor

Declared value
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Total fee
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Contractor
TERCON BUILDERS, INC

Chicago details

Review type
SELF CERT
Milestone
COMPLETE
Community area (code)
6

Data as of 2026-09-20.

Other permits issued in Chicago, September 2018