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8641 S South Park Ave

Chatham, Chicago IL None 20344090140000 2 units · 1926

This building has a substantial enforcement record over the last seven years, and our model predicts continuing maintenance failures over the next 12 months. Read the records below before you sign. Ask which issues were resolved, get repair commitments in writing, and inspect the unit yourself.

Building Violations (7y) vs. neighborhood
Records already on file, against a typical building in Chatham — not a forecast
Above average
avg 4.2
12
FewerMore

This building has 12 building violations (7y), above the Chatham average of 4.2.

Building characteristics
Units2
Year built1926
Stories
Building area2,920 sq ft
Property class211
PIN (Cook County parcel)20344090140000
Ownership

Registered owner per Cook County Assessor records.

Owner name
Mailing address
Po Box 2228

Landlord portfolio

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

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Augrented Insights
Initial analysis

The two-unit residential building at 8641 S South Park Ave in the Chatham neighborhood, owned by Donna Frazier Thompson and constructed in 1926, has experienced several notable issues over the past seven years. Most recently, in April 2023, there were six complaint-driven inspection violations, though records indicate that these were all resolved. Prior to that, the property faced significant water-related challenges in August 2025, with two separate complaints about water in the basement, as well as two complaints regarding fly dumping and a garbage cart maintenance issue during the same period, all of which were subsequently closed. The building's overall violation record shows a total of 12 violations and 12 service requests in the past seven years, with only one building permit issued during this timeframe. While the recent improvements in resolving the 2023 violations are notable, the concentration of issues in 2025, particularly regarding water management, suggests this has been an ongoing concern for the property.

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

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Risk rating

How 8641 S South Park 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
29thpercentile

Out of 1901 buildings in this neighborhood, 1350 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
37%
No code
violation
63%
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.

Code violations, owner's portfolio

Building violations across all properties this owner is registered on — a signal of systemic maintenance issues.

Location

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

12-Month risk forecast
High failure risk 63%
Estimated probability of a code violation in the next 12 months.
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The story over time

8641 S South Park Ave event timeline

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

2025
311 Request Aug 26
Water in Basement Complaint
311 RequestAug 17
Water in Basement Complaint

See all 10 events

Full history back to 2022 — violations, complaints, permits, and 311 calls.

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Every record we have

Full data for 8641 S South Park 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 8641 S South Park Ave compares to the neighborhood

This building against comparable properties in Chatham. 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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