Preview 1,066,918 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 100718512

170 N DEARBORN ST

PHASE II INTERIOR BUILD OUT OF SECOND FLOOR NET AREA 4000 SF; FORMER USE OFFICE - NEW USE C-2 SMALL ASSEMBLY (EXTENSION OF PHASE I SMALL ASSEMBLY USE TO FILL LEVEL 2. CONSTRUCTION TYPE 1B. FULLY SPRINKLERED BUILDING

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2017-08-21
Issued
2017-09-18
Time to issue
28 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 2017