5638 N Keystone Ave
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.
This building has 1 building violations (7y), at or below the North Park average of 1.0.
What's in the 5638 N Keystone Ave report
| Units | 4 |
|---|---|
| Year built | 1922 |
| Stories | — |
| Building area | 2,223 sq ft |
| Property class | 211 |
| PIN (Cook County parcel) | 13034120180000 |
Registered owner per Cook County Assessor records.
Landlord portfolio
Other Chicago properties this owner holds, with a risk rating for each.
Unlock complete reportThe four-unit residential building at 5638 N Keystone Ave in North Park, owned by Enrique Hernandez, has an extensive history of maintenance and compliance issues since 2017, though many recent concerns remain unresolved. Most notably, there is an open building code violation as of April 2025 that stems from a complaint-driven inspection, along with several other violations related to building permits and construction in August 2025. The property has generated a total of 10 service requests over the past seven years, with the majority occurring in 2025, including issues with garbage cart maintenance, building violations, and a porch inspection request, while one tree planting request from May 2025 remains open. The building's permit history shows minimal activity, with only two permits pulled in the last seven years, potentially indicating limited investment in the property's maintenance or improvements. Additionally, the property was involved in an illegal dumping incident in 2017 that was subsequently resolved, though this incident predates the current owner's tenure by several years. The building's age (built in 1922) and the relatively high number of recent service requests related to violations and maintenance issues suggest ongoing management challenges, particularly regarding compliance with building codes and prompt attention to maintenance needs.
AI-generated · may contain errors · check the source data tables below
How 5638 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
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 733 buildings in this neighborhood, 315 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.
5638 N Keystone Ave apartment reviews
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5638 N Keystone Ave event timeline
Building violations, environmental complaints and enforcement, permits, scofflaw listings, and 311 calls — most recent records in order.
See all 6 events
Full history back to 2025 — violations, complaints, permits, and 311 calls.
Unlock complete timelineFull data for 5638 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.
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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