1855 N Keystone Ave B
Nothing on record for this building in the last seven years, and our model puts it at a low risk of maintenance problems over the next 12 months. No public enforcement record to go on. Walk the building, ask the current tenants how repairs get handled, and get any promises in writing.
This building has 0 building violations (7y), at or below the Hermosa average of 0.9.
What's in the 1855 N Keystone Ave B report
| Units | 3 |
|---|---|
| Year built | 1908 |
| Stories | — |
| Building area | 3,882 sq ft |
| Property class | 211 |
| PIN (Cook County parcel) | 13344150010000 |
Registered owner per Cook County Assessor records.
Landlord portfolio
Other Chicago properties this owner holds, with a risk rating for each.
Unlock complete reportThe three-unit residential building at 1855 N Keystone Ave B in Chicago's Hermosa neighborhood is a 1908 structure currently owned by SEBALL LLC. Over the past seven years, the property has generated five documented 311 service requests, with the most recent being a rodent baiting complaint filed in April 2026. The building's service history shows a pattern of maintenance and safety concerns, including two instances of graffiti requiring removal (one in September 2024 handled by 311 City Services and another in February 2025 through the Alderman's office), a dead animal removal request in December 2025, and an abandoned vehicle complaint from April 2024. While all reported incidents have been closed, the variety of issues documented - particularly the recent rodent complaint - suggests ongoing challenges with building maintenance and neighborhood conditions.
AI-generated · may contain errors · check the source data tables below
How 1855 N Keystone Ave B'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 1618 buildings in this neighborhood, 1084 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.
1855 N Keystone Ave B apartment reviews
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1855 N Keystone Ave B event timeline
Building violations, environmental complaints and enforcement, permits, scofflaw listings, and 311 calls — most recent records in order.
See all 2 events
Full history back to 2022 — violations, complaints, permits, and 311 calls.
Unlock complete timelineFull data for 1855 N Keystone Ave B 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.
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What this is
Chicago 311 service requests recorded at this parcel — maintenance complaints and quality-of-life requests.
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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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Unlock complete reportHow 1855 N Keystone Ave B compares to the neighborhood
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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