Preview 316,582 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 2026-09-20.

Chicago · permit 100709536

401 N MICHIGAN AVE

INTERIOR ALTERATION OF THE EXISTING 6TH & 7TH FLOOR PUBLIC WASHROOMS. NEW ADA SINGLE USER WASHROOMS. NEW PLUMBING . RELOCATED SPRINKLER HEADS. NO CHANGE IN OCCUPANCY OR USE. **CERTIFIED PLAN CORRECTIONS PROJECT - CONDITIONAL PERMIT: SUBJECT TO FIELD INSPECTIONS **

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2017-06-19
Issued
2017-07-26
Time to issue
37 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, July 2017