Preview 436,579 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 100716023

20 W ONTARIO ST

(SELF-CERT) INTERIOR REMODELING OF MEDICAL OFFICE AT 1ST AND 2ND FLOOR WITH ADDITION OF 2 STORY INTERIOR STAIRWAY AT THE MEDICAL OFFICE. THE THIRD AND FOURTH FLOOR ARE EXISTING COMMERCIAL SPACES AND NOT-IN-CONTRACT.

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2017-08-18
Issued
2017-08-18
Time to issue
same day

Chicago details

Review type
SELF CERT
Milestone
COMPLETE
Community area (code)
8

Data as of 2026-09-20.

Other permits issued in Chicago, August 2017