6059 W Montrose Ave
Nothing on record for this building in the last seven years, and our model puts it at a low risk of maintenance problems over the next 12 months. No public enforcement record to go on. Walk the building, ask the current tenants how repairs get handled, and get any promises in writing.
This building has 0 building violations (7y), at or below the Portage Park average of 0.6.
What's in the 6059 W Montrose Ave report
| Units | 2 |
|---|---|
| Year built | 1959 |
| Stories | — |
| Building area | 2,430 sq ft |
| Property class | 211 |
| PIN (Cook County parcel) | 13173050010000 |
Registered owner per Cook County Assessor records.
Landlord portfolio
Other Chicago properties this owner holds, with a risk rating for each.
Unlock complete reportThe two-unit residential building at 6059 W Montrose Ave in Portage Park, owned by Jan Niewiarowski, was constructed in 1959 and has been the subject of 9 documented 311 service requests over the past 7 years. The most recent service request was made in May 2026 regarding a potential leak, while April 2026 saw a complaint about an abandoned vehicle near the property. The end of 2025 marked a particularly active period for 311 service requests, with four reports filed in December alone, including three complaints about abandoned vehicles and a sanitation code violation. Earlier in 2025, there was also a tree debris clean-up request. The building's service request history shows relatively few concerns directly related to the property itself, with most issues involving street-level or municipal concerns rather than immediate building conditions or safety matters.
AI-generated · may contain errors · check the source data tables below
How 6059 W Montrose 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 3924 buildings in this neighborhood, 2001 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.
6059 W Montrose Ave apartment reviews
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6059 W Montrose 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 2022 — violations, complaints, permits, and 311 calls.
Unlock complete timelineFull data for 6059 W Montrose 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