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8823 S Colfax Ave

South Chicago, Chicago IL 60617 26061120100000 2 units · 1890

This building has more problems than most buildings in this neighborhood. A handful of unresolved issues. Worth a careful walk-through and pointed questions.

Building Violations (7y) vs. neighborhood
Compared to a typical building in South Chicago
Above average
avg 3.0
7
FewerMore

This building has 7 building violations (7y), above the South Chicago average of 3.0.

Building characteristics
Units2
Year built1890
Stories
Building area2,046 sq ft
Property class211
PIN (Cook County parcel)26061120100000
Ownership

Registered owner per Cook County Assessor records.

Mailing address
8823 S Colfax Ave

Landlord portfolio

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

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Augrented Insights
Initial analysis

The two-unit building at 8823 S Colfax Ave in the South Chicago neighborhood, owned by Antonio Castillo Jr., has a documented history that raises several concerns. The property, constructed in 1890, has faced persistent issues over the past three years, with multiple open building violations as of May 2026, all categorized under complaint-driven inspections. This cluster of unresolved violations suggests ongoing regulatory compliance challenges. Between 2025 and 2026, there have been seven building violations recorded during this period alone. The property has also generated a notable number of 311 service requests, totaling thirteen in the past seven years, though predominantly in the past three years. The nature of these requests indicates various maintenance challenges, including four instances of garbage cart maintenance needs, two sanitation-related violations, and a fly dumping complaint. Additional concerns include a tree emergency recorded in late 2025. While there have been two building permits filed in the past seven years, the current open violations and recent history of service requests suggest ongoing property maintenance challenges that warrant attention.

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

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Risk rating

How 8823 S Colfax 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

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.

Neighborhood percentile
27thpercentile

Out of 2603 buildings in this neighborhood, 1900 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
43%
No code
violation
57%
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 (past 7 years)

City of Chicago Department of Buildings violations issued at this address over the last 7 years — a direct record of enforcement activity.

Lot size

Total lot square footage is a proxy for property scale.

12-Month severity forecast
No violation 35.0%
Moderate concern 35.6%
Severe concern 29.3%
Estimated probability of a code violation in the next 12 months at each severity level.
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The story over time

8823 S Colfax Ave event timeline

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

2026
Building Violation May 01 Serious
COMPLAINT
OPEN
Building ViolationMay 01
COMPLAINT

See all 10 events

Full history back to 2025 — violations, complaints, permits, and 311 calls.

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Every record we have

Full data for 8823 S Colfax Ave apartments

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

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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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