1820 W Greenleaf Ave
This building has a higher-than-average number of open problems nearby. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.
This building has 0 building violations (7y), at or below the Rogers Park average of 2.3.
What's in the 1820 W Greenleaf Ave report
| Units | 2 |
|---|---|
| Year built | 1903 |
| Stories | — |
| Building area | 2,376 sq ft |
| Property class | 211 |
| PIN (Cook County parcel) | 11312050280000 |
Registered owner per Cook County Assessor records.
Landlord portfolio
Other Chicago properties this owner holds, with risk grades for each.
Unlock complete reportThe two-unit residential building at 1820 W Greenleaf Ave in Rogers Park, owned by Thomas J Malone, is a century-old property constructed in 1903. The building's recent service request history from the past seven years shows a relatively low frequency of issues, with a total of eight 311 service requests recorded. The majority of these recent requests in 2025 have been focused on tree maintenance and abandoned vehicle complaints, with three abandoned vehicle complaints filed between July and November 2025, following two tree trim requests in January and February of the same year. Earlier in 2025, there was also one street cleaning request. It's worth noting that the tree trim requests are no longer being accepted under current city policy. The building's service request pattern suggests regular maintenance needs typical of an older property, though the relatively low number of requests overall may indicate either good building upkeep or limited access to city services from the property.
AI-generated · may contain errors · check the source data tables below
How 1820 W Greenleaf Ave'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 1536 buildings in this neighborhood, 369 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.
1820 W Greenleaf Ave apartment reviews
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1820 W Greenleaf Ave 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 1820 W Greenleaf Ave 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