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 100741052

321 N CLARK ST

INTERIOR AND EXTERIOR ALTERATIONS TO AN EXISTING 35 STORY OFFICE BUILDING. WORK TO INCLUDE LOBBY, LL1 AND LL2, ELEVATOR MODERNIZATION, NEW MEZZANINE, NEW COMMUNICATING STAIR, CURTAIN WALL MODIFICATIONS, NEW ENTRANCE CANOPY AND PLAZA REPAIRS AS PER PLANS. STRUCTURAL PEER REVIEW.

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2018-02-16
Issued
2018-04-30
Time to issue
73 days

Chicago details

Review type
STANDARD PLAN REVIEW
Milestone
CERTIFICATE OF OCCUPANCY ISSUED
Community area (code)
8

Data as of 2026-09-20.

Other permits issued in Chicago, April 2018