3131 S Throop St
Nothing on record for this building in the last seven years. Our model still sees a moderate chance of maintenance problems in the next 12 months, from the owner's wider portfolio and the surrounding area rather than from anything recorded here. 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 Bridgeport average of 1.0.
The bar and the rating point different ways because they measure different things: the bar counts building violations already on file, the rating forecasts the next 12 months.
What's in the 3131 S Throop St report
| Units | 4 |
|---|---|
| Year built | 1876 |
| Stories | — |
| Building area | 3,084 sq ft |
| Property class | 212 |
| PIN (Cook County parcel) | 17321060010000 |
Registered owner per Cook County Assessor records.
Landlord portfolio
Other Chicago properties this owner holds, with a risk rating for each.
Unlock complete reportThe four-unit residential building at 3131 S Throop St in Chicago's Bridgeport neighborhood, owned by Mary Krzywicki, has a long history dating back to 1876. Over the past seven years, there have been nine recorded service requests through the city's 311 system, with the most recent cluster of issues emerging in early 2026. These recent requests include two graffiti removal requests, a blue recycling cart request, a pothole complaint, and a pet wellness check, all of which have been resolved. A rodent baiting complaint was also documented in October 2025, representing the most concerning recent maintenance issue. Historically, the building has faced some more serious challenges, including a noise complaint in 2001 and multiple vacant building violations in July 2013, though these were ultimately categorized as "City non-suit" with no fines imposed. The property appears to have an active management history, with all recent service requests being promptly closed, though the January 2026 pothole complaint was directed to the Chicago Department of Transportation.
AI-generated · may contain errors · check the source data tables below
How 3131 S Throop St'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 3132 buildings in this neighborhood, 2380 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.
3131 S Throop St apartment reviews
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3131 S Throop St event timeline
Building violations, environmental complaints and enforcement, permits, scofflaw listings, and 311 calls — most recent records in order.
See all 5 events
Full history back to 2001 — violations, complaints, permits, and 311 calls.
Unlock complete timelineFull data for 3131 S Throop St 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.
| 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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Unlock complete reportHow 3131 S Throop St compares to the neighborhood
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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