850 S Clark Chicago
A handful of records on file over the last seven years, and our model predicts a high risk of further maintenance problems in the next 12 months. A few records worth reading before you sign. Check whether they were closed out, and ask what was actually fixed.
This building has 2 building violations (7y), at or below the Loop average of 6.7.
The bar and the rating point different ways because they measure different things: the bar counts building violations already on file, the rating forecasts the next 12 months.
What's in the 850 S Clark Chicago report
| Units | 398 |
|---|---|
| Year built | 2011 |
| Stories | — |
| Building area | 329,896 sq ft |
| Property class | 391 |
| PIN (Cook County parcel) | 17164110200000 |
Registered owner per Cook County Assessor records.
Landlord portfolio
Other Chicago properties this owner holds, with a risk rating for each.
Unlock complete reportThe 850 S Clark building in Chicago's Loop neighborhood, managed by AMLI Residential, is a 398-unit property constructed in 2011. The building's recent records show some concerning patterns, particularly in 2026, with multiple service requests indicating potential infrastructure or maintenance issues, including two pothole complaints (March 2026), a public way inspection request (March 2026), and a building violation report (May 2026). Notably, there are also two unresolved building code violations dating back to August 2020, which have remained open for over three years. The property has generated 38 311 service requests and received three building permits in the past seven years, while the ownership records show 84 total service requests and 15 permits under AMLI management, suggesting more frequent interactions with city services during their ownership period. While the building's age is relatively recent, these records indicate some persistence of unresolved issues that may impact resident experience, particularly regarding the open violations and multiple service requests related to building conditions and public infrastructure in the surrounding area.
AI-generated · may contain errors · check the source data tables below
How 850 S Clark 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
Lower risk — safer than most nearby
City inspectors rarely find violations here. Strong maintenance history and a clean complaint record.
Typical — about average for the neighborhood
Some past violations or complaints on record. Worth asking the landlord about any open issues before signing.
Higher risk — riskier than most nearby
Elevated violation and complaint history. City inspectors have found issues here before and are statistically likely to again.
Out of 66 buildings in this neighborhood, 50 are predicted to be safer. The band is relative to this neighborhood, so a share of every neighborhood falls in each colour.
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.
850 S Clark Chicago apartment reviews
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850 S Clark Chicago event timeline
Building violations, environmental complaints and enforcement, permits, scofflaw listings, and 311 calls — most recent records in order.
See all 7 events
Full history back to 2020 — violations, complaints, permits, and 311 calls.
Unlock complete timelineFull data for 850 S Clark 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.
| Violation # | Date | Category | Status | Address |
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What this is
Violations issued for failure to register or maintain a vacant or abandoned building.
| Docket # | Violation # | Issued | Department | Type | Disposition | Total Fines |
|---|---|---|---|---|---|---|
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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