3526 S Union Ave
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 11 building violations (7y), above the Bridgeport average of 1.0.
What's in the 3526 S Union Ave report
| Units | 3 |
|---|---|
| Year built | 1890 |
| Stories | — |
| Building area | 2,991 sq ft |
| Property class | 211 |
| PIN (Cook County parcel) | 17333010350000 |
Registered owner per Cook County Assessor records.
Landlord portfolio
Other Chicago properties this owner holds, with a risk rating for each.
Unlock complete reportThe three-unit, 1890 brick building located at 3526 S Union Ave in Chicago's Bridgeport neighborhood, currently owned by Chunchun Wang, has experienced a notable number of regulatory interactions over the past seven years, with 11 building violations and 49 service requests recorded. The most recent violations, consisting of two complaint-driven inspections from May 2023, were resolved, as were multiple January 2022 violations (five in total) that were also successfully addressed. A significant cluster of recent activity can be observed in April 2026, with six consecutive Finance Parking Code Enforcement Review requests being filed and closed in quick succession, followed by one additional related request in May 2026, along with a Sanitation Code Violation request in May 2026, all of which have been closed.
AI-generated · may contain errors · check the source data tables below
How 3526 S Union 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
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 3132 buildings in this neighborhood, 3038 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.
3526 S Union Ave apartment reviews
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3526 S Union Ave event timeline
Building violations, environmental complaints and enforcement, permits, scofflaw listings, and 311 calls — most recent records in order.
See all 10 events
Full history back to 2022 — violations, complaints, permits, and 311 calls.
Unlock complete timelineFull data for 3526 S Union 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.
| 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.
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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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