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8426 W Gregory St

O'Hare, Chicago IL 60656 12111110160000 6 units · 1971

A handful of records on file over the last seven years, and our model puts this building at a low 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.

Building Violations (7y) vs. neighborhood
Records already on file, against a typical building in O'Hare — not a forecast
Above average
avg 0.3
1
FewerMore

This building has 1 building violations (7y), above the O'Hare average of 0.3.

Building characteristics
Units6
Year built1971
Stories
Building area6,570 sq ft
Property class211
PIN (Cook County parcel)12111110160000
Ownership

Registered owner per Cook County Assessor records.

Owner name
Mailing address
8401 N Chester

Landlord portfolio

Other Chicago properties this owner holds, with a risk rating for each.

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Augrented Insights
Initial analysis

The six-unit residential building at 8426 W Gregory Street in the O'Hare neighborhood, owned by Frank Makas, has a relatively limited record of issues over the past seven years since its construction in 1971. The most significant concern appears to be a building code violation from November 22, 2019, stemming from a complaint-driven inspection that remains unresolved as of the current date. While the property has only one documented building violation during this period, it has experienced recurring rodent-related issues, with three separate rodent baiting/rat complaints filed through the Alderman's office between July and September 2025, all of which were subsequently closed. Given the timeline, it's notable that the building experienced multiple rodent issues in 2025, though these problems seem to have been addressed based on the closed status of the complaints. The relatively low number of complaints and violations over the seven-year period could be seen as moderately positive; however, the open building code violation from late 2019 may warrant attention.

AI-generated · may contain errors · check the source data tables below

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Risk rating

How 8426 W Gregory 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.

Neighborhood percentile
18thpercentile

Out of 444 buildings in this neighborhood, 364 are predicted to be safer. The band is relative to this neighborhood, so a share of every neighborhood falls in each colour.

RiskiestSafest
Predicted 12-month outcome
71%
No code
violation
29%
Code violation
likely
Model explanation

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.

Building size

Total building square footage is a proxy for property scale and management complexity.

Code violations (past 7 years)

City of Chicago Department of Buildings violations issued at this address over the last 7 years — a direct record of enforcement activity.

Number of units

The number of units affects how the model reads complaint and violation totals — more units means more potential sources.

12-Month risk forecast
Low failure risk 29%
Estimated probability of a code violation in the next 12 months.
Apartment reviews

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The story over time

8426 W Gregory St event timeline

Building violations, environmental complaints and enforcement, permits, scofflaw listings, and 311 calls — most recent records in order.

2026
311 Request Mar 18
Rodent Baiting/Rat Complaint
Alderman

See all 4 events

Full history back to 2019 — violations, complaints, permits, and 311 calls.

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Every record we have

Full data for 8426 W Gregory St apartments

Chicago public datasets for this parcel — building violations, permits, 311 calls, environmental complaints and enforcement, scofflaw listings, and vacant building registrations.

Side by side

How 8426 W Gregory St compares to the neighborhood

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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

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