3935 S Rockwell St 1St
This building has a higher-than-average number of open problems nearby. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.
This building has 0 building violations (7y), at or below the Brighton Park average of 0.8.
What's in the 3935 S Rockwell St 1St report
| Units | 2 |
|---|---|
| Year built | 1926 |
| Stories | — |
| Building area | 1,884 sq ft |
| Property class | 211 |
| PIN (Cook County parcel) | 19012030020000 |
Registered owner per Cook County Assessor records.
Landlord portfolio
Other Chicago properties this owner holds, with risk grades for each.
Unlock complete reportThe two-unit, two-story residential building at 3935 S Rockwell St in Brighton Park, owned by Armando Mendoza, has been in operation since 1926 and has undergone minimal documented changes in recent years. The property has generated 11 service requests through the 311 system over the past seven years, with the most recent activity in June 2026 relating to tree-related issues, including an emergency situation that remains open and a debris cleanup request that has been closed. The building has experienced some infrastructure challenges, most notably a low water pressure complaint in October 2025, which was resolved. The property's service request history shows an ongoing concern with vegetation management, particularly in late 2024 when two separate tree trim requests were submitted, though these requests were noted as "no longer being accepted." The only recorded building permit in the past seven years suggests limited structural modifications or improvements to the property. Prior to the tree-related concerns that dominate the recent service record, there was one instance of a stray animal complaint in September 2024, which was addressed and closed.
How 3935 S Rockwell St 1St'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, 2532 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.
3935 S Rockwell St 1St apartment reviews
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3935 S Rockwell St 1St 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 2024 — violations, complaints, permits, and 311 calls.
Unlock complete timelineFull data for 3935 S Rockwell St 1St 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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Cancel anytime · Data sourced from the City of Chicago Department of Buildings, Chicago 311, Cook County Assessor & the Chicago Data Portal