1625 N Kolmar Ave
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.
This building has 0 building violations (7y), at or below the Humboldt Park average of 1.3.
What's in the 1625 N Kolmar Ave report
| Units | 2 |
|---|---|
| Year built | 1908 |
| Stories | — |
| Building area | 1,920 sq ft |
| Property class | 211 |
| PIN (Cook County parcel) | 13343180090000 |
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 property at 1625 N Kolmar Ave in Humboldt Park, owned by John O'Leary Jr., has been standing since 1908 and has experienced several notable incidents in recent years. The most pressing concern involves a current water lead testing request from July 2025, which remains open and suggests potential water quality issues. The building has also faced several othermaintenance challenges, including a rodent complaint that was addressed through baiting in September 2024, and a stray animal complaint from July 2025, both of which were closed. Additionally, there was a fire hydrant-related complaint recorded in October 2025 that has since been closed. The property has generated a total of four 311 service requests over the past seven years, with all reported issues having been resolved except for the current water lead testing request, which requires monitoring for any potential health implications.
AI-generated · may contain errors · check the source data tables below
How 1625 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 6211 buildings in this neighborhood, 1429 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.
1625 N Kolmar Ave apartment reviews
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1625 N Kolmar Ave event timeline
Building violations, environmental complaints and enforcement, permits, scofflaw listings, and 311 calls — most recent records in order.
See all 4 events
Full history back to 2024 — violations, complaints, permits, and 311 calls.
Unlock complete timelineFull data for 1625 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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