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 100928471

233 S WACKER DR

CBRC 2019: INTERIOR AND EXTERIOR ALTERATIONS TO ADD A RETRACTABLE SKYDECK LEDGE AT L103 AS PER PLANS. WORK TO INCLUDE REMOVAL OF EXTERIOR GLAZING TO ACCOMMODATE NEW STRUCTURAL STEEL AND GLASS BOX. STRUCTURAL PEER REVIEW INCLUDED. INTERIOR WORK TO INCLUDE NEW FANS AND ELECTRIC DUCT HEATERS SERVING THE NEW LEDGE ONLY. (CONSTRUCTION TYPE 1A; OCCUPANCY A-3)

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2021-07-29
Issued
2021-09-27
Time to issue
60 days

Chicago details

Review type
STANDARD PLAN REVIEW
Milestone
COMPLETE
Community area (code)
32

Data as of 2026-09-20.

Other permits issued in Chicago, September 2021