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8131 S Stony Island Ave

Avalon Park, Chicago IL 60617 20361110270000 4 units · 1925

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.

Building Violations (7y) vs. neighborhood
Records already on file, against a typical building in Avalon Park — not a forecast
At or below average
avg 3.1
0
FewerMore

This building has 0 building violations (7y), at or below the Avalon Park average of 3.1.

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.

Building characteristics
Units4
Year built1925
Stories
Building area4,508 sq ft
Property class212
PIN (Cook County parcel)20361110270000
Ownership

Registered owner per Cook County Assessor records.

Owner name
Mailing address
1505 E 83Rd Street

Landlord portfolio

Other Chicago properties this owner holds, with a risk rating for each.

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Augrented Insights
Initial analysis

The four-unit residential building at 8131 S Stony Island Ave in Chicago's Avalon Park neighborhood, owned by Heidi Jones Keith, has experienced several notable issues in recent years. Most significantly, in August 2025, there was a concerning pattern of water-related problems, with two separate complaints about basement water issues and a leak inspection request within a two-day period. Additionally, the property experienced tree-related maintenance needs, including a tree trimming request and a clean-up request for tree debris in mid-2025. Looking further back into the building's history, there were environmental concerns documented in February 1993, when the property received two municipal code violations related to hazardous materials, resulting in fines of $300 each. While the tree maintenance and water issues have been addressed (as indicated by their "Closed" status), the frequency of water-related complaints in mid-2025 may warrant monitoring of any recurring moisture issues in the building.

AI-generated · may contain errors · check the source data tables below

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Risk rating

How 8131 S Stony Island 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.

Neighborhood percentile
27thpercentile

Out of 256 buildings in this neighborhood, 187 are predicted to be safer. The band is relative to this neighborhood, so a share of every neighborhood falls in each colour.

RiskiestSafest
Predicted 12-month outcome
44%
No code
violation
56%
Code violation
likely
Model explanation

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.

Location

Precise location is a proxy for area-level risk — some Chicago zip codes have systematically higher code-enforcement activity.

Building size

Total building square footage is a proxy for property scale and management complexity.

Property class (211)

Assessor class 211 — small residential (roughly 2–6 units). The assessor's property-class code, which correlates with building type and the violation rates the model expects.

12-Month risk forecast
Moderate failure risk 56%
Estimated probability of a code violation in the next 12 months.
Apartment reviews

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On the map

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The story over time

8131 S Stony Island Ave event timeline

Building violations, environmental complaints and enforcement, permits, scofflaw listings, and 311 calls — most recent records in order.

2025
311 Request Aug 03
Water in Basement Complaint
311 City Services
311 RequestAug 03
Water in Basement Complaint

See all 8 events

Full history back to 1993 — violations, complaints, permits, and 311 calls.

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Every record we have

Full data for 8131 S Stony Island Ave apartments

Chicago public datasets for this parcel — building violations, permits, 311 calls, environmental complaints and enforcement, scofflaw listings, and vacant building registrations.

Side by side

How 8131 S Stony Island Ave compares to the neighborhood

This building against comparable properties in Avalon Park. Toggle filters to narrow the peer group.

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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

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