400 W ONTARIO ST is a rental building in River North, Chicago. Owned by JAKE J CHAPUT, managed by Fulton Grace Realty. Public records show 32 open violations, 4 311 complaints on file.
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River North · March 2026
Best & worst months to sign a lease
Potential savings: ~19% by timing your move to June.
Asking rent per bedroom type — switch tabs to see each with effective (concession-net) rent.
Monthly counts over the last 7 years · all data sources
No HPD records on file in the last 7 years.
Portfolio-level grade reflects the landlord's buildings across the city, weighted by unit count. Individual building grades may differ.
View full landlord profileACRIS deeds and regulatory filings
River North is Chicago's gallery district turned nightlife and dining powerhouse — converted warehouses, rooftop bars, and some of the city's most energetic weekend scenes. It's loud, fun, and unapologetically expensive.
Divvy Bike Parking Complaint — No details available
DOB Violation — MAINTAIN OR REPAIR ELECT ELEVA
DOB Violation — MAINTAIN EXIT SIGN ILLUMINATED
DOB Violation — REPAIR INTERIOR STAIR SYSTEM
DOB Violation — DEBRIS, EXCESSIVE
Street Light Out Complaint — No details available
DOB Violation — MAINTAIN OR REPAIR ELECT ELEVA
DOB Violation — FIRE EXTNGSHR RECHARGE & TAG
DOB Violation — 2 HOUR BOILER ENCLOSURE
DOB Violation — 1HR ENCL FLR TO FLR SHAFT/DUCT
RLTO, scofflaw, and city programs
Chicago Energy Rating disclosure · 2023