1720 S Jefferson St
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 Lower West Side average of 0.9.
What's in the 1720 S Jefferson St report
| Units | 2 |
|---|---|
| Year built | 1889 |
| Stories | — |
| Building area | 1,824 sq ft |
| Property class | 211 |
| PIN (Cook County parcel) | 17213050380000 |
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 residential building at 1720 S Jefferson St, located in Chicago's Lower West Side neighborhood, is an 1889 structure currently owned by PI. The property has a significant history of regulatory interactions over the past seven years, with a total of 46 building violations recorded against the owner, along with 557 service requests. The building has experienced various quality of life issues, as evidenced by recent service requests, including a water lead test kit request and rodent baiting complaint in 2025, along with a street pothole complaint and graffiti removal request in late 2024. The property's environmental track record shows some concern, with two enforcement actions and four complaints, including one related to construction and demolition activities that was resolved in April 2021. Despite these challenges, the owner has also actively sought permits for improvements, with 20 building permits obtained over the same period.
How 1720 S Jefferson St'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 3674 buildings in this neighborhood, 1506 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.
1720 S Jefferson St apartment reviews
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1720 S Jefferson St event timeline
Building violations, environmental complaints and enforcement, permits, scofflaw listings, and 311 calls — most recent records in order.
See all 4 events
Full history back to 2024 — violations, complaints, permits, and 311 calls.
Unlock complete timelineFull data for 1720 S Jefferson St 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