420 S. Clark St.
This building has a substantial enforcement record over the last seven years, and our model predicts continuing maintenance failures over the next 12 months. Read the records below before you sign. Ask which issues were resolved, get repair commitments in writing, and inspect the unit yourself.
This building has 55 building violations (7y), above the Loop average of 6.7.
What's in the 420 S. Clark St. report
| Units | 24 |
|---|---|
| Year built | 1896 |
| Stories | — |
| Building area | 6,160 sq ft |
| Property class | 391 |
| PIN (Cook County parcel) | 17162430350000 |
Registered owner per Cook County Assessor records.
Landlord portfolio
Other Chicago properties this owner holds, with a risk rating for each.
Unlock complete reportThe 24-unit, 127-year-old building at 420 S. Clark St. in Chicago's Loop, currently owned by WRD CORP, presents significant concerns based on recent record patterns. Most notably, there are currently six unresolved building code violations as of February 2025, all resulting from complaint-driven inspections conducted approximately one month before the most recent complaint in March 2026. The property has experienced recurring pest issues, with two rodent-related service requests in May 2026 alone, though these particular cases were subsequently closed. The building's record shows a concerning trend of issues requiring municipal intervention, with 56 building violations and 34 311 service requests logged over the past seven years. This is particularly significant considering the building's dated construction from 1896.
AI-generated · may contain errors · check the source data tables below
How 420 S. Clark 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
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, 53 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.
420 S. Clark St. apartment reviews
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420 S. Clark St. event timeline
Building violations, environmental complaints and enforcement, permits, scofflaw listings, and 311 calls — most recent records in order.
See all 11 events
Full history back to 1994 — violations, complaints, permits, and 311 calls.
Unlock complete timelineFull data for 420 S. Clark 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.
| 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