Preview 192,160 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 100806249

233 S WACKER DR

MEP ONLY: INTERIOR MODERNIZATION TO ELEVATOR MACHINE ROOMS AT EXISTING WILLIS TOWER TO INCLUDE PROVISION OF AIR CONDITIONING UNITS, LIGHTING, CONVENIENCE POWER AND FIRE ALARM MODIFICATIONS FOR MACHINE ROOMS & UPGRADING ELEVATOR PITS & ELECTRICAL DISTRIBUTION. FLOORS LL1, LL2, LL3, 11, 12, 19, 20, 25, 26, 30, 36, 37, 43, 44, 51, 52, 59, 60, 65, 69, 70, 77, 83, 84, 85, 89, 104, 106, 109. NO CHANGE IN EXISTING BUSINESS USE.

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2019-04-18
Issued
2019-05-09
Time to issue
21 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, May 2019