Preview 887,040 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 100957094

6437 S WINCHESTER AVE

SELF-CERT: INTERIOR & EXTERIOR ALTERATIONS, DUPLEX FIRST FLOOR APARTMENT DOWN TO BASEMENT, REMOVE REAR ENCLOSED PORCH AND REPLACE WITH NEW 2 STORY OPEN WOOD PORCH ASP PER ARCHITECT'S PLANS TO AN EXITING TWO STORY BRICK-FRAME BUILDING WITH BASEMENT.THE SCOPE OF WORK INLCUDES: ARCHITECTURAL, PLUMBING, HVAC & ELECTRICAL.CURRENT & PROPOSED USE: 2 D.U.

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2022-02-22
Issued
2022-02-22
Time to issue
same day

Chicago details

Review type
SELF CERT
Milestone
INSPECTIONS
Community area (code)
67

Data as of 2026-09-20.

Other permits issued in Chicago, February 2022