420 E Ohio Chicago
A handful of records on file over the last seven years, and our model predicts a high risk of further maintenance problems in the next 12 months. A few records worth reading before you sign. Check whether they were closed out, and ask what was actually fixed.
This building has 2 building violations (7y), at or below the Streeterville average of 7.6.
The bar and the rating point different ways because they measure different things: the bar counts building violations already on file, the rating forecasts the next 12 months.
What's in the 420 E Ohio Chicago report
| Units | 263 |
|---|---|
| Year built | 1991 |
| Stories | — |
| Building area | 352,763 sq ft |
| Property class | 397 |
| PIN (Cook County parcel) | 17102080110000 |
Registered owner per Cook County Assessor records.
Landlord portfolio
Other Chicago properties this owner holds, with a risk rating for each.
Unlock complete reportThe 263-unit residential building at 420 E Ohio in Chicago's Streeterville neighborhood, owned by 420 EAST OHIO LLC, has been in operation since 1991 and has experienced several notable events over its history. The building's most recent inspection records from 2020 indicate that two periodic routine inspections were conducted and successfully resolved, though these inspections do not represent major concerns. The property has generated multiple 311 service requests in recent years, with the most significant cluster occurring in September 2025, when there were three separate reports related to injured animals and vicious animal complaints. Environmental complaints show a concerning pattern of noise disturbances, with the most recent complaints occurring in April 2025, though no violations were found in these specific cases. The building's maintenance record shows minimal major infractions, with only two building violations recorded in the past seven years, both of which appear to have been resolved. The property has also generated two environmental complaints in the same period, both relating to noise. While the building's violation and complaint history does not indicate any major safety concerns, the frequency of animal-related incidents and noise complaints in recent years may be worth noting for potential residents.
AI-generated · may contain errors · check the source data tables below
How 420 E Ohio Chicago's risk score is calculated
We trained a model on 7 years of Chicago code enforcement data — building violations, 311 complaint history, environmental enforcement, and owner track records. It estimates the probability that the City of Chicago will find a code violation at this address in the next 12 months. Lower % = safer.
What the score means for you
Lower risk — safer than most nearby
City inspectors rarely find violations here. Strong maintenance history and a clean complaint record.
Typical — about average for the neighborhood
Some past violations or complaints on record. Worth asking the landlord about any open issues before signing.
Higher risk — riskier than most nearby
Elevated violation and complaint history. City inspectors have found issues here before and are statistically likely to again.
Out of 27 buildings in this neighborhood, 19 are predicted to be safer. The band is relative to this neighborhood, so a share of every neighborhood falls in each colour.
violation
likely
What's driving this score
The data points that most influenced this building's risk rating — ranked by the weight the model placed on each one.
420 E Ohio Chicago apartment reviews
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420 E Ohio Chicago event timeline
Building violations, environmental complaints and enforcement, permits, scofflaw listings, and 311 calls — most recent records in order.
See all 11 events
Full history back to 1996 — violations, complaints, permits, and 311 calls.
Unlock complete timelineFull data for 420 E Ohio Chicago apartments
Chicago public datasets for this parcel — building violations, permits, 311 calls, environmental complaints and enforcement, scofflaw listings, and vacant building registrations.
What this is
Violations issued by the City of Chicago Department of Buildings against this parcel.
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What this is
Violations issued for failure to register or maintain a vacant or abandoned building.
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What this is
Building permits issued by the City of Chicago for new construction, alterations, and repairs at this parcel.
| Permit # | Issued | Status | Description |
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What this is
Chicago 311 service requests recorded at this parcel — maintenance complaints and quality-of-life requests.
| SR # | Created | Type | Department | Status |
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What this is
Environmental complaints filed about this property with the City of Chicago.
| Complaint # | Date | Type | Inspector | Resolution | Resolved |
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What this is
Formal environmental enforcement cases brought against this property.
| Case # | Date | Type | Violation | Disposition | Status | Fine |
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Cancel anytime · Data sourced from the City of Chicago Department of Buildings, Chicago 311, Cook County Assessor & the Chicago Data Portal