Preview 887,040 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 101082990

307 N MICHIGAN AVE

SPR 2019 CBRC: INTERIOR ALTERATIONS TO EXISTING 14TH FLOOR OFFICE SPACE. WORK TO INCLUDE DEMO, NEW PARTITIONS, MECHANICAL, ELECTRICAL AND PLUMBING AS PER PLANS. NO STRUCTURAL WORK. NO CHANGE IN USE. (OCCUPANCY TYPE: B-BUSINESS OFFICE; CONSTRUCTION TYPE: 1A)

Permit

Permit type
PERMIT - NEW CONSTRUCTION
Class
Unknown
Trade
Electrical
Nature of work
New
Status
ACTIVE

Location

City
Chicago
State
IL

Dates

Applied
2026-05-11
Issued
2026-07-22
Time to issue
72 days

Chicago details

Review type
STANDARD PLAN REVIEW
Milestone
INSPECTIONS
Community area (code)
32

Data as of 2026-09-21.

Other permits issued in Chicago, July 2026