Preview 555,290 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 100898118

307 N MICHIGAN AVE

SPR CBRC 2019: EXTERIOR ALTERATIONS TO 24TH FLOOR MECHANICAL PENTHOUSE IN AN EXISTING OFFICE BUILDING. INCLUDING EXTERIOR LOUVERS, GUTTER AND DOWNSPOUT REPLACEMENT; METAL ROOFING & SIDING OVER-CLADDING; ASSOCIATED MECHANICAL, ELECTRICAL AND PLUMBING; INTERIOR WORK IS RELATED TO ROOF DRAINAGE LINE ONLY AS PER PLANS. (EXISTING OCCUPANCY GROUP B, TYPE IA CONSTRUCTION)**CERTIFIED CORRECTIONS SUBJECT TO FIELD INSPECTIONS & AUDIT **

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2020-12-03
Issued
2021-02-05
Time to issue
64 days

Chicago details

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

Data as of 2026-09-20.

Other permits issued in Chicago, February 2021