3621 S Winchester Ave 1
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 Mckinley Park average of 0.9.
What's in the 3621 S Winchester Ave 1 report
| Units | 4 |
|---|---|
| Year built | 1888 |
| Stories | — |
| Building area | 2,772 sq ft |
| Property class | 211 |
| PIN (Cook County parcel) | 17314090090000 |
Registered owner per Cook County Assessor records.
Landlord portfolio
Other Chicago properties this owner holds, with risk grades for each.
Unlock complete reportThe four-unit residential building at 3621 S Winchester Ave in McKinley Park, owned by Michael A Knabjian, has experienced several notable events over the past seven years since 2016, with the most recent activity occurring in 2024. The building, constructed in 1888, is currently under scrutiny due to two complaint-driven inspections conducted in May 2024, though both violations were resolved according to city records. A cluster of service requests emerged in 2025, including multiple garbage cart maintenance issues and a blue recycling cart matter in July, as well as a building permit and construction violation complaint in October 2024. Perhaps the most critical incidents involved two separate no water complaints registered in January 2026, both of which have been closed in the city system. While the building's violation and service request history is relatively limited with only two building violations and eleven 311 service requests over the seven-year period, the documented water supply issues in 2016 and more recent 2024 complaints warrant attention to the building's maintenance practices and infrastructure reliability, particularly for essential services like water supply.
AI-generated · may contain errors · check the source data tables below
How 3621 S Winchester Ave 1'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 1407 buildings in this neighborhood, 1365 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.
3621 S Winchester Ave 1 apartment reviews
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3621 S Winchester Ave 1 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 2024 — violations, complaints, permits, and 311 calls.
Unlock complete timelineFull data for 3621 S Winchester Ave 1 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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