4143 S Archer Chicago
This building has far more open problems than almost any other in the neighborhood. A handful of unresolved issues. Worth a careful walk-through and pointed questions.
This building has 0 building violations (7y), at or below the Brighton Park average of 0.8.
What's in the 4143 S Archer Chicago report
| Units | 5 |
|---|---|
| Year built | 1926 |
| Stories | — |
| Building area | 9,711 sq ft |
| Property class | 318 |
| PIN (Cook County parcel) | 19011210100000 |
Registered owner per Cook County Assessor records.
Landlord portfolio
Other Chicago properties this owner holds, with risk grades for each.
Unlock complete reportThe five-unit residential building at 4143 S Archer in Chicago's Brighton Park neighborhood, owned by Efren Perez, has been standing since 1926 and has a total of two parcels associated with the ownership. The building's recent service history shows some concerning patterns, particularly in June 2026, when multiple issues arose, including two separate complaints about water in the basement, a sanitation code violation (which remains open), and a graffiti removal request that has since been closed. The property has also experienced graffiti issues earlier in the spring of 2026, with a March request for removal being documented. Over the past seven years, there have been a total of 41 service requests associated with the owner, though this total includes the building's 39 requests plus additional requests from the same owner. The recent clustering of water-related issues and sanitation concerns, particularly in the basement area, suggests potential challenges in building maintenance, though many of the service requests have been promptly addressed and closed.
AI-generated · may contain errors · check the source data tables below
How 4143 S Archer Chicago'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.
Out of 3956 buildings in this neighborhood, 3837 are predicted to be safer.
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.
4143 S Archer Chicago apartment reviews
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4143 S Archer Chicago 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 2026 — violations, complaints, permits, and 311 calls.
Unlock complete timelineFull data for 4143 S Archer Chicago 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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