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 100941941

10000 W OHARE ST

SELF-CERTIFIED PROJECT - INTERIOR ALTERATION OF EXISTING WEST CONCOURSE LOWER, APRON, UPPER & MEZZANINE LEVELS OF TERMINAL 5 FOR DELTA AIR LINES OPERATIONS WITH NO CHANGE IN CURRENT MIXED OCCUPANCY CLASSIFICATION OF C-1 ASSEMBLY, E BUSINESS AND S-2 STORAGE. TOTAL FLOOR AREA OF ALTERATION IS 50,626 SF.

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2021-12-17
Issued
2021-12-17
Time to issue
same day

Chicago details

Review type
SELF CERT
Milestone
CERTIFICATE OF OCCUPANCY ISSUED
Community area (code)
76

Data as of 2026-09-20.

Other permits issued in Chicago, December 2021