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 B200443262

400 N MICHIGAN AVE

ASSOCIATE ALTERNATIVE CODE APPROVAL OR OTHER POST-ISSUANCE APPROVAL TO PERMIT 101072511. DETAILS: ACAR FOR DIMMING OF EMERGENCY LIGHTING. ASSOCIATE ACAR OR OTHER POST-ISSUANCE APPROVAL TO PERMIT 101072511. DETAILS: ACAR FOR DIMMING OF EMERGENCY LIGHTING. ADMINISTRATIVE CHANGE ONLY. NO SUBSTANTIVE CHANGE TO SCOPE OF PERMIT 101072511.

Permit

Permit type
PERMIT – EXPRESS PERMIT PROGRAM
Class
Unknown
Trade
Other
Nature of work
Other
Work
Administrative Change
Status
COMPLETE

Location

City
Chicago
State
IL

Dates

Applied
2025-09-19
Issued
2025-09-29
Time to issue
10 days

Value and contractor

Declared value
N/A. Declared value is a premium field which requires a paid plan. However, this permit has no value declared.
Total fee
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Chicago details

Review type
EXPRESS PERMIT PROGRAM
Milestone
COMPLETE
Community area (code)
8

Data as of 2026-09-21.

Other permits issued in Chicago, September 2025