Preview 675,283 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 100998121

1428 W WINNEMAC AVE

2019 SPR. ADU NORTH AREA. CONVERT EXISTING 6DU TO 8DU. INTERIOR ALTERATIONS INCLUDING MEP FOR 2 DU AT BASEMENT (EXISTING UPPER FLOOR 6DU NO CHANGE) FOR EXISTING 3 STORY BRICK BUILDING WITH BASEMENT, CONSTRUCTION TYPE IIIA, EXISTING USE GROUP R-2 (CONDITIONAL PERMIT SUBJECT TO FIELD INSPECTIONS)

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2022-12-20
Issued
2023-03-23
Time to issue
93 days

Chicago details

Review type
STANDARD PLAN REVIEW
Milestone
INSPECTIONS
Community area (code)
3

Data as of 2026-09-20.

Other permits issued in Chicago, March 2023