Preview 1,066,918 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 100671835

3426 N JANSSEN AVE

INTERIOR ALTERATION TO EXISTING 3 RESIDENTIAL UNITS, DUPLEX OF FIRST FLOOR TO BASEMENT, NEW REAR PORCH, REPLACE EXISTING DORMER WITH NEW SAME SIZE & LOCATION (FRAMING TO REMAIN) FOR EXISTING 3 STORY FRAME BUILDING 3 RESIDENTIAL UNIT AS PER PLAN **CERTIFIED PLANS CORRECTIONS: CONDITIONAL PERMIT SUBJECT TO FIELD INSPECTIONS **

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2016-11-22
Issued
2017-04-24
Time to issue
153 days

Chicago details

Review type
STANDARD PLAN REVIEW
Milestone
COMPLETE
Community area (code)
6

Data as of 2026-09-20.

Other permits issued in Chicago, April 2017