3017 N Kolmar Ave
This building has more problems than most buildings in this neighborhood. 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 Hermosa average of 0.9.
What's in the 3017 N Kolmar Ave report
| Units | 2 |
|---|---|
| Year built | 1926 |
| Stories | — |
| Building area | 2,230 sq ft |
| Property class | 211 |
| PIN (Cook County parcel) | 13271120150000 |
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 3017 N Kolmar Ave in the Hermosa neighborhood, owned by Arnulfo P Contreras, was constructed in 1926 and has generated a total of 29 service requests to the 311 system over the past seven years. The most recent activity on record from 2026 includes six service requests between February and May, with issues primarily related to municipal infrastructure and public health concerns. Notably, there were two instances of garbage cart maintenance required in February and April, an alley pothole complaint in February, and a rodent baiting/rat complaint in February that indicates potential pest control challenges in the vicinity. Additionally, there have been two reports of abandoned vehicles in May and March of 2026. While all reported issues have been marked as closed, the frequency of service requests and the nature of some complaints, particularly regarding rodent issues and garbage maintenance, suggest ongoing challenges with building and neighborhood upkeep. The property has maintained a relatively stable ownership record with no indication of ownership transfers or major structural modifications in the available data timeframe.
AI-generated · may contain errors · check the source data tables below
How 3017 N Kolmar 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 1617 buildings in this neighborhood, 1277 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.
3017 N Kolmar Ave apartment reviews
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3017 N Kolmar 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 2026 — violations, complaints, permits, and 311 calls.
Unlock complete timelineFull data for 3017 N Kolmar 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