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2328 N Kostner Ave 1

Hermosa, Chicago IL 60639 13341060260000 3 units · 1912

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.

Building Violations (7y) vs. neighborhood
Compared to a typical building in Hermosa
At or below average
avg 0.9
0
FewerMore

This building has 0 building violations (7y), at or below the Hermosa average of 0.9.

Building characteristics
Units3
Year built1912
Stories
Building area3,456 sq ft
Property class211
PIN (Cook County parcel)13341060260000
Ownership

Registered owner per Cook County Assessor records.

Owner name
Dariusz Rafalko
Mailing address
3691 Winding Trail Ln

Landlord portfolio

Other Chicago properties this owner holds, with risk grades for each.

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Augrented Insights
Initial analysis

The three-unit residential building at 2328 N Kostner Ave in Chicago's Hermosa neighborhood is a century-old property, constructed in 1912 and currently owned by Dariusz Rafalko. The building's documented history over the past seven years shows minimal issues, with only one building violation recorded. The property has had two building permits issued during this period, which is relatively low for a building of its age. In terms of service requests to the city, there have been 21 requests attributed to the owner, though only two are documented specifically in recent records: a tree trimming request from December 2024 and a closed parking code enforcement review from July 2024. The tree trimming request was one of the last accepted under the previous service guidelines, potentially indicating the current status of municipal service availability. The parking code review suggests there was some concern or inquiry about parking regulations in the area, though the resolution is not specified in the available records. While the number of service requests and permits is not unusually high for a property of this age, the relatively recent nature of these two service requests provides the most current information about the building's interaction with city services.

AI-generated · may contain errors · check the source data tables below

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Risk rating

How 2328 N Kostner 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.

Neighborhood percentile
37thpercentile

Out of 1617 buildings in this neighborhood, 1019 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
68%
No code
violation
32%
Code violation
likely
Model explanation

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.

Building size

Total building square footage is a proxy for property scale and management complexity.

Permit rate, owner's portfolio

Per-property permit rate across the owner's portfolio.

Number of rooms

Total room count is a proxy for property scale.

12-Month severity forecast
No violation 70.3%
Moderate concern 18.7%
Severe concern 11.0%
Estimated probability of a code violation in the next 12 months at each severity level.
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On the map

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The story over time

2328 N Kostner Ave 1 event timeline

Building violations, environmental complaints and enforcement, permits, scofflaw listings, and 311 calls — most recent records in order.

2024
311 Request Dec 04
Tree Trim Request (NO LONGER BEING ACCEPTED)
311 RequestJul 03
Finance Parking Code Enforcement Review

See all 2 events

Full history back to 2024 — violations, complaints, permits, and 311 calls.

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Every record we have

Full data for 2328 N Kostner Ave 1 apartments

Chicago public datasets for this parcel — building violations, permits, 311 calls, environmental complaints and enforcement, scofflaw listings, and vacant building registrations.

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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

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