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 100705835

401 N MICHIGAN AVE

REVISION TO PERMIT #100685848 TO REVISE HOIST-WAY DETAILS AND RAILS, CHANGE CLADDING TO EIFS, RELOCATION OF ELEVATOR MACHINE ROOM, ADDITION OF MECHANICAL EXHAUST FAN AND REVISED PIPE DRAIN AT D-LEVEL AS PER PLANS.

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2017-06-12
Issued
2017-08-31
Time to issue
80 days

Chicago details

Review type
STANDARD PLAN REVIEW
Milestone
COMPLETE
Community area (code)
8

Data as of 2026-09-20.

Other permits issued in Chicago, August 2017