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 100748211

646 N MICHIGAN AVE

REVISION TO PERMIT# 100721839 FOR MODIFICATIONS TO THE EXISTING COMED VAULT TO INCLUDE NEW SIDEWALK AND WATERPROOFING MEMBRANE, MODIFICATIONS TO STAIR 1 CONFIGURATION AND OTHER MISC. CHANGES 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
2018-04-27
Issued
2018-05-02
Time to issue
5 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, May 2018