3438 N Hamlin Ave
This building has a substantial enforcement record over the last seven years, but recent activity points to a low risk of further maintenance problems in the next 12 months. Read the records below before you sign. Ask which issues were resolved, get repair commitments in writing, and inspect the unit yourself.
This building has 3 building violations (7y), above the Avondale average of 0.6.
What's in the 3438 N Hamlin Ave report
| Units | 4 |
|---|---|
| Year built | 1919 |
| Stories | — |
| Building area | 4,812 sq ft |
| Property class | 211 |
| PIN (Cook County parcel) | 13233120270000 |
Registered owner per Cook County Assessor records.
Landlord portfolio
Other Chicago properties this owner holds, with a risk rating for each.
Unlock complete reportThe 4-unit residential building at 3438 N Hamlin Ave in Avondale, owned by Casey Karowski, has recorded several significant issues in recent months that warrant attention. Most notably, there are three unresolved complaint-driven violations from October 2025 that remain open as of October 2023, marking them as potentially serious concerns affecting resident safety or comfort. The building's 311 service request history has seen increased activity in 2026, with multiple ongoing issues including a rodent baiting complaint, tree debris cleanup request, and an open garbage cart maintenance request. Additionally, there are pending matters regarding low water pressure (which was previously closed), sidewalk inspection, and tree planting as of mid-2026. While the property is over 100 years old, these recent and unresolved complaints suggest some potential challenges with building maintenance and infrastructure that could impact resident quality of life.
AI-generated · may contain errors · check the source data tables below
How 3438 N Hamlin 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
Lower risk — safer than most nearby
City inspectors rarely find violations here. Strong maintenance history and a clean complaint record.
Typical — about average for the neighborhood
Some past violations or complaints on record. Worth asking the landlord about any open issues before signing.
Higher risk — riskier than most nearby
Elevated violation and complaint history. City inspectors have found issues here before and are statistically likely to again.
Out of 3681 buildings in this neighborhood, 2687 are predicted to be safer. The band is relative to this neighborhood, so a share of every neighborhood falls in each colour.
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.
3438 N Hamlin Ave apartment reviews
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3438 N Hamlin 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 2025 — violations, complaints, permits, and 311 calls.
Unlock complete timelineFull data for 3438 N Hamlin 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.
| Violation # | Date | Category | Status | Address |
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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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