502 N Monticello Ave
This building has more problems than most buildings in this neighborhood. 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 Humboldt Park average of 1.3.
What's in the 502 N Monticello Ave report
| Units | 3 |
|---|---|
| Year built | 1926 |
| Stories | — |
| Building area | 3,025 sq ft |
| Property class | 211 |
| PIN (Cook County parcel) | 16111240440000 |
Registered owner per Cook County Assessor records.
Landlord portfolio
Other Chicago properties this owner holds, with risk grades for each.
Unlock complete reportThe three-unit residential building at 502 N Monticello Ave in the Humboldt Park neighborhood was constructed in 1926 and is currently owned by Lillian Owens. The property has experienced various maintenance and compliance issues over the years, most notably an open building permit and construction violation reported in May 2026. A cluster of several parking code enforcement reviews and a weed removal request were filed in June 2025, though those matters have since been resolved. The building's historical record shows significant concern in 2011 when it was cited for violations related to vacant building maintenance and security requirements, with one citation resulting in $1,300 in fines, though another was dismissed with no fines. An air pollution complaint was also recorded in February 2002, though this appears to be an isolated incident. The building has had a total of 16 service requests filed through the 311 system over the past seven years, with the majority of recent activity occurring in 2025 and 2026. While the property has shown patterns of maintenance and compliance challenges, particularly during certain periods, there is no available data indicating whether these issues have been systematically addressed or resolved.
AI-generated · may contain errors · check the source data tables below
How 502 N Monticello 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 6211 buildings in this neighborhood, 4907 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.
502 N Monticello Ave apartment reviews
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502 N Monticello Ave event timeline
Building violations, environmental complaints and enforcement, permits, scofflaw listings, and 311 calls — most recent records in order.
See all 8 events
Full history back to 2002 — violations, complaints, permits, and 311 calls.
Unlock complete timelineFull data for 502 N Monticello 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