6744 W Diversey Ave
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 2 building violations (7y), above the Montclare average of 0.8.
What's in the 6744 W Diversey Ave report
| Units | 6 |
|---|---|
| Year built | 1964 |
| Stories | — |
| Building area | 6,240 sq ft |
| Property class | 211 |
| PIN (Cook County parcel) | 13302240350000 |
Registered owner per Cook County Assessor records.
Landlord portfolio
Other Chicago properties this owner holds, with risk grades for each.
Unlock complete reportThe 6-unit residential building at 6744 W Diversey Ave in Montclare, owned by Biagio Gattoso, was constructed in 1964 and has had relatively few recorded issues over the past seven years, with only two building violations and ten 311 service requests on file. Notably, two open violations were recorded on September 26, 2019, following a complaint-driven inspection, though the specific nature of these violations is not detailed in the records. The property has experienced a concerning cluster of infrastructure-related service requests in recent months, with three pothole complaints (two of which remain open as of May 2026) and one sewer cave-in inspection request recorded between January and May 2026. Additionally, there were two sanitation-related incidents in late 2025, including a closed sanitation code violation and a closed dead animal pick-up request. While the building's violation record is relatively modest compared to some properties, the recent uptick in street and infrastructure-related service requests warrants attention, particularly as these issues may impact resident access and comfort.
AI-generated · may contain errors · check the source data tables below
How 6744 W Diversey 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 455 buildings in this neighborhood, 414 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.
6744 W Diversey Ave apartment reviews
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6744 W Diversey Ave event timeline
Building violations, environmental complaints and enforcement, permits, scofflaw listings, and 311 calls — most recent records in order.
See all 7 events
Full history back to 2019 — violations, complaints, permits, and 311 calls.
Unlock complete timelineFull data for 6744 W Diversey 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.
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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