6645 S Saint Lawrence Ave
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 Woodlawn average of 2.9.
What's in the 6645 S Saint Lawrence Ave report
| Units | 3 |
|---|---|
| Year built | 1924 |
| Stories | — |
| Building area | 2,920 sq ft |
| Property class | 211 |
| PIN (Cook County parcel) | 20222280160000 |
Registered owner per Cook County Assessor records.
Landlord portfolio
Other Chicago properties this owner holds, with risk grades for each.
Unlock complete reportThe property at 6645 S Saint Lawrence Ave is a 3-unit residential building located in Chicago's Woodlawn neighborhood, constructed in 1924 and currently owned by Lawrence Chen. The building's recent history, dating back to 2024, shows a pattern of maintenance and public health concerns, with three notable incidents in 2025 alone: a rodent infestation (rat complaint), a sanitation code violation, and a stray animal complaint. Additional service requests during this period include a tree debris cleanup in June 2025 and garbage cart maintenance in January 2025. The building's 7-year record also shows three building violations, though these were related to vacant/abandoned building issues from July 2014, specifically involving security and maintenance requirements, which resulted in a city non-suit with no fines imposed. While the property has had some service requests and violations, none of these recent issues appear to have resulted in fines or legal penalties. The building's permit history shows three permits issued in the past seven years, though the specific nature of these permits is not detailed in the available data.
How 6645 S Saint Lawrence 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.
Out of 1887 buildings in this neighborhood, 679 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.
6645 S Saint Lawrence Ave apartment reviews
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6645 S Saint Lawrence Ave event timeline
Building violations, environmental complaints and enforcement, permits, scofflaw listings, and 311 calls — most recent records in order.
See all 6 events
Full history back to 2014 — violations, complaints, permits, and 311 calls.
Unlock complete timelineFull data for 6645 S Saint Lawrence Ave 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.
| Permit # | Issued | Status | Description |
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What this is
Chicago 311 service requests recorded at this parcel — maintenance complaints and quality-of-life requests.
| SR # | Created | Type | Department | Status |
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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