1851 W Cornelia Chicago
This building has far more open problems than almost any other in the neighborhood. A handful of unresolved issues. Worth a careful walk-through and pointed questions.
This building has 0 building violations (7y), at or below the North Center average of 0.5.
What's in the 1851 W Cornelia Chicago report
| Units | 18 |
|---|---|
| Year built | 1915 |
| Stories | — |
| Building area | — |
| Property class | 315 |
| PIN (Cook County parcel) | 14194110340000 |
Registered owner per Cook County Assessor records.
Landlord portfolio
Other Chicago properties this owner holds, with risk grades for each.
Unlock complete reportThe 18-unit residential building at 1851 W Cornelia in Chicago's North Center neighborhood, owned by Sawbill Properties LLC, has a long history dating back to its 1915 construction. The property has generated substantial activity over the past seven years, with a total of 404 service requests recorded through the city's 311 system, along with 21 building permits issued and one environmental complaint filed. A closer examination of the 311 service requests shows a recent pattern in 2026 involving multiple graffiti removal requests, with three incidents reported in May 2026 alone. The building has also required attention for yard maintenance, as evidenced by two yard waste pick-up requests in August 2025 and one tree debris clean-up request in January 2026. While the property has experienced these maintenance issues, it is worth noting that the majority of the 311 service requests (16) and building violations (26) recorded over the past seven years represent relatively minor operational matters rather than serious safety concerns. The building's most recent documented issues have largely centered around exterior maintenance and waste management, with no major safety violations or critical infrastructure problems reported in the available data.
AI-generated · may contain errors · check the source data tables below
How 1851 W Cornelia 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
Grade A–B — Low risk
City inspectors rarely find violations here. Strong maintenance history and a clean complaint record.
Grade C — Moderate risk
Some past violations or complaints on record. Worth asking the landlord about any open issues before signing.
Grade D–F — High risk
Elevated violation and complaint history. City inspectors have found issues here before and are statistically likely to again.
Out of 2650 buildings in this neighborhood, 2464 are predicted to be safer.
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.
1851 W Cornelia Chicago apartment reviews
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1851 W Cornelia Chicago event timeline
Building violations, environmental complaints and enforcement, permits, scofflaw listings, and 311 calls — most recent records in order.
See all 5 events
Full history back to 2025 — violations, complaints, permits, and 311 calls.
Unlock complete timelineFull data for 1851 W Cornelia 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.
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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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Cancel anytime · Data sourced from the City of Chicago Department of Buildings, Chicago 311, Cook County Assessor & the Chicago Data Portal