Preview 555,290 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 100876321

18 S MICHIGAN AVE

INSTALLATION AT THE ROOF OF AN EXISTING 12-STORY OFFICE BUILDING OF 47 CUSTOM TIE-BACK DAVITS CONNECTED TO THE ROOF FRAMING STRUCTURE USING BEAM CLAMPS AS PER PLANS. (STRUCTURAL PEER REVIEW).

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2020-06-19
Issued
2020-08-04
Time to issue
46 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, August 2020