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 101030809

100 E ONTARIO ST

2019 CBC: INTERIOR DEMO ONLY. REMOVAL OF ALL EXISTING INTERIOR NON-LOADING BEARING PARTITIONS / OVERBUILT FLOORS, FINISHES, FIXTURES AND MEP DISTRIBUTION ON BASEMENT, 1ST, MEZZANINE, AND 2ND LEVELS. NO EXTERIOR OR STRUCTURAL WORK. EXTERIOR WINDOWS AND DOORS WILL UNDERGO NO CHANGE AND BE PROTECTED DURING DEMOLITION.

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2023-09-07
Issued
2023-11-27
Time to issue
81 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, November 2023