1030 N Karlov Ave Hse
This building has significantly more problems than most nearby buildings. A handful of unresolved issues. Worth a careful walk-through and pointed questions.
This building has 6 building violations (7y), above the Humboldt Park average of 1.3.
What's in the 1030 N Karlov Ave Hse report
| Units | 2 |
|---|---|
| Year built | 1913 |
| Stories | — |
| Building area | 1,353 sq ft |
| Property class | 211 |
| PIN (Cook County parcel) | 16034130300000 |
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 1030 N Karol Ave in Humboldt Park, owned by R & A Velazquez, has a century-long history dating back to 1913. The property currently has multiple significant unresolved issues, with six open building code violations stemming from complaint-driven inspections in March and April 2023-2025. The building's recent service history shows increased activity in 2026, with various 311 service requests including three pet wellness checks, ice and snow removal, and one graffiti removal request, though most of these issues have been or are in the process of being resolved. Of particular concern is a hazardous materials incident from 2014 that was investigated and founded as an alleged violation, though it was officially resolved by September of that year. The building's records show a total of 6 building violations and 19 311 service requests over the past seven years, indicating ongoing maintenance and compliance challenges that affect resident experience and safety.
How 1030 N Karlov Ave Hse'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, 5279 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.
1030 N Karlov Ave Hse apartment reviews
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1030 N Karlov Ave Hse event timeline
Building violations, environmental complaints and enforcement, permits, scofflaw listings, and 311 calls — most recent records in order.
See all 10 events
Full history back to 2023 — violations, complaints, permits, and 311 calls.
Unlock complete timelineFull data for 1030 N Karlov Ave Hse 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