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 100780711

411 W ONTARIO ST

ERECT NEW MASONRY FIRE RATED PARTITION TO SEPARATE NEW COMMON ROOM AND EXISTING PARKING. EXTEND EXISTING SPRINKLERS AND PROVIDE RATED DOOR TO ACCESS CEILING CAVITY; EXTEND MAKE UP AIR DUCT TO GARAGE. NO CHANGES TO EXISTING USE OR ZONING; NO EXPANSION OF BUILDING AREA; NO WORK TO BUILDING ENVELOPE

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2018-10-31
Issued
2018-10-31
Time to issue
same day

Chicago details

Review type
SELF CERT
Milestone
COMPLETE
Community area (code)
8

Data as of 2026-09-20.

Other permits issued in Chicago, October 2018