Preview 675,283 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 101003183

307 N MICHIGAN AVE

SPR 2019 CBRC: INTERIOR ALTERATIONS TO AN EXISTING 18TH FLOOR OFFICE SPACE AS PER PLANS. WORK TO INCLUDE SELECTIVE DEMOLITION, NEW PARTITIONS, MECHANICAL, ELECTRICAL AND PLUMBING WORK. NO STRUCTURAL WORK. NO CHANGE IN USE. (OCCUPANCY TYPE: B-BUSINESS OFFICE; CONSTRUCTION TYPE: 1A)

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2023-02-07
Issued
2023-03-27
Time to issue
48 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, March 2023