7900 W Belmont 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 1 building violations (7y), above the Dunning average of 0.8.
What's in the 7900 W Belmont Ave report
| Units | 3 |
|---|---|
| Year built | 1957 |
| Stories | — |
| Building area | 3,838 sq ft |
| Property class | 211 |
| PIN (Cook County parcel) | 12243250390000 |
Registered owner per Cook County Assessor records.
Landlord portfolio
Other Chicago properties this owner holds, with risk grades for each.
Unlock complete reportThe three-unit residential building at 7900 W Belmont Ave in Chicago's Dunning neighborhood, owned by Henryk Ptasyzynski, has been in operation since 1957 and has experienced several notable events in recent years. Most concerning is an open building code violation related to a complaint-driven inspection initiated in August 2024, which remains unresolved as of October 2023. The property has generated a total of seven 311 service requests over the past seven years, with the most recent occurring in November 2025 regarding parking code enforcement, while an August 2024 rodent-related issue was documented twice within a five-day period. Other service requests include two street light outage complaints in mid-2024, a tree trimming request from May 2024 (which is no longer being accepted), and a finance-related matter from November 2025. While the building has maintained relatively few violations overall, with only one on record in the past seven years, the combination of recent rodent issues, unresolved building code violations, and multiple infrastructure-related complaints suggests there are several ongoing maintenance and safety matters that require attention.
How 7900 W Belmont 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 1058 buildings in this neighborhood, 635 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.
7900 W Belmont Ave apartment reviews
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7900 W Belmont Ave event timeline
Building violations, environmental complaints and enforcement, permits, scofflaw listings, and 311 calls — most recent records in order.
See all 6 events
Full history back to 2024 — violations, complaints, permits, and 311 calls.
Unlock complete timelineFull data for 7900 W Belmont 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