5935 W Patterson Ave 2Nd
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 5 building violations (7y), above the Portage Park average of 0.7.
What's in the 5935 W Patterson Ave 2Nd report
| Units | 2 |
|---|---|
| Year built | 1905 |
| Stories | — |
| Building area | 1,648 sq ft |
| Property class | 211 |
| PIN (Cook County parcel) | 13202280060000 |
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 5935 W Patterson Ave in Portage Park, owned by Erika Velasco, has a documented history dating back to its 1905 construction. The property has experienced an unusual pattern of recent issues, with five open building code violations recorded in late 2025, all of which were generated from complaint-driven inspections. Prior to these, the most recent building code violation was noted in October 2024, while a permit-related inspection violation from November 2019 has been resolved. The building has also generated significant municipal service requests, totaling 33 in the past seven years. Most notably, there has been a cluster of 311 service requests in 2026, including multiple reports of abandoned vehicles and rodent issues, though several of these have been resolved. An open pothole complaint and a sewer cave-in inspection request from June 2026 remain unresolved. Historical environmental concerns include two air pollution work orders, one from 2006 and another from 2016, both of which were resolved.
How 5935 W Patterson Ave 2Nd'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 3910 buildings in this neighborhood, 3636 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.
5935 W Patterson Ave 2Nd apartment reviews
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5935 W Patterson Ave 2Nd event timeline
Building violations, environmental complaints and enforcement, permits, scofflaw listings, and 311 calls — most recent records in order.
See all 11 events
Full history back to 2006 — violations, complaints, permits, and 311 calls.
Unlock complete timelineFull data for 5935 W Patterson Ave 2Nd 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.
| Docket # | Violation # | Issued | Department | Type | Disposition | Total Fines |
|---|---|---|---|---|---|---|
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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