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4742 N Keystone Ave

Albany Park, Chicago IL 60630 13152060440000 2 units · 1978

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.

Building Violations (7y) vs. neighborhood
Compared to a typical building in Albany Park
At or below average
avg 1.2
0
FewerMore

This building has 0 building violations (7y), at or below the Albany Park average of 1.2.

Building characteristics
Units2
Year built1978
Stories
Building area2,496 sq ft
Property class211
PIN (Cook County parcel)13152060440000
Ownership

Registered owner per Cook County Assessor records.

Owner name
Joaquin Maria Gamboa
Mailing address
4511 N Keystone

Landlord portfolio

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

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Risk rating

How 4742 N Keystone 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.

Neighborhood percentile
100thpercentile

Out of 2730 buildings in this neighborhood, 0 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
86%
No code
violation
14%
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.

Number of bedrooms

Total bedroom count is a proxy for property scale.

Number of rooms

Total room count is a proxy for property scale.

Building size

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

12-Month severity forecast
No violation 79.6%
Moderate concern 17.1%
Severe concern 3.3%
Estimated probability of a code violation in the next 12 months at each severity level.
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The story over time

4742 N Keystone Ave event timeline

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

2025
311 Request May 17
Tree Emergency

See all 4 events

Full history back to 2020 — violations, complaints, permits, and 311 calls.

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Every record we have

Full data for 4742 N Keystone Ave apartments

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

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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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