Preview 795,237 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 101061184

307 N MICHIGAN AVE

SPR 2019 CBRC: INTERIOR ALTERATIONS TO EXISTING 21ST 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 - RENOVATION/ALTERATION
Class
Unknown
Trade
Electrical
Nature of work
Alteration
Status
COMPLETE

Location

City
Chicago
State
IL

Dates

Applied
2024-10-30
Issued
2025-03-06
Time to issue
127 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 2025