Preview 316,582 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 100724476

820 S MICHIGAN AVE

INTERIOR DEMO OF 12 FLOOR EXISTING OFFICE BUILDING. DEMO PORTION OF NORTH FACADE AND STRUCTURAL SLAB TO MAKE FUTURE LIGHTWELL. REMOVE AND REPLACE EAST SIDE WINDOW SYSTEM AS PER PLANS. REMOVE ROOF TOP EQUIPMENT AND SATELLITE DISH.

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2017-10-13
Issued
2017-12-05
Time to issue
53 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, December 2017