2645 N Mason Ave
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 Belmont Cragin average of 0.9.
What's in the 2645 N Mason Ave report
| Units | 2 |
|---|---|
| Year built | 1923 |
| Stories | — |
| Building area | 1,778 sq ft |
| Property class | 211 |
| PIN (Cook County parcel) | 13294090050000 |
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 2645 N Mason Ave in the Belmont Cragin neighborhood, owned by Aranda & Aranda, has experienced a modest number of service requests over the past seven years, totaling ten reported incidents. Built in 1923, this property's most recent recorded issue is an open tree debris clean-up request from June 2026, though the date appears to be erroneous and likely represents a future time. The building has had three separate blue recycling cart-related service requests in August 2025, suggesting possible issues with recycling cart management at the property. Additionally, there have been two other service requests: one regarding water on the street in October 2025, and a parking code enforcement review in December 2025, both of which have been successfully closed. The overall number of service requests is relatively low for a building of this age and size, though the unusual clustering of recycling cart-related issues in August 2025 stands out as the most notable pattern in the building's recent service history.
AI-generated · may contain errors · check the source data tables below
How 2645 N Mason 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 4437 buildings in this neighborhood, 177 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.
2645 N Mason Ave apartment reviews
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2645 N Mason Ave event timeline
Building violations, environmental complaints and enforcement, permits, scofflaw listings, and 311 calls — most recent records in order.
See all 5 events
Full history back to 2025 — violations, complaints, permits, and 311 calls.
Unlock complete timelineFull data for 2645 N Mason 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.
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What this is
Chicago 311 service requests recorded at this parcel — maintenance complaints and quality-of-life requests.
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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