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1844 W 21St Pl

Lower West Side, Chicago IL 60608 17194230300000 2 units · 1888

Nothing on record for this building in the last seven years, and our model puts it at a low risk of maintenance problems over the next 12 months. No public enforcement record to go on. Walk the building, ask the current tenants how repairs get handled, and get any promises in writing.

Building Violations (7y) vs. neighborhood
Records already on file, against a typical building in Lower West Side — not a forecast
At or below average
avg 0.9
0
FewerMore

This building has 0 building violations (7y), at or below the Lower West Side average of 0.9.

Building characteristics
Units2
Year built1888
Stories
Building area1,360 sq ft
Property class211
PIN (Cook County parcel)17194230300000
Ownership

Registered owner per Cook County Assessor records.

Owner name
Mailing address
1844 W 21St St

Landlord portfolio

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

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Augrented Insights
Initial analysis

The two-flat residential building at 1844 W 21st Place in Chicago's Lower West Side, owned by Alma R Martinez, is a historical structure dating back to 1888. The property, which consists of a single parcel, has had limited documented service activity over the past seven years, with only two 311 service requests on record. The most recent request, filed in April 2025, is currently open and pertains to a sidewalk inspection, suggesting potential safety or maintenance concerns in this area. Prior to this, in April 2024, there was a request for tree trimming services, though this request type is no longer being accepted by the city; this request has been resolved and marked as closed. Given the building's age and the limited number of service requests on record, there may be other maintenance or safety considerations not captured in this narrow data set.

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

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Risk rating

How 1844 W 21St Pl'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
73rdpercentile

Out of 3683 buildings in this neighborhood, 994 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
75%
No code
violation
25%
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 rooms

Total room count is a proxy for property scale.

Township: West Chicago

Located in West Chicago. The township captures local housing-market and code-enforcement patterns that affect all properties in the area.

Number of bedrooms

Total bedroom count is a proxy for property scale.

12-Month risk forecast
Low failure risk 25%
Estimated probability of a code violation in the next 12 months.
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On the map

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The story over time

1844 W 21St Pl event timeline

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

No dated public records on file yet.
Every record we have

Full data for 1844 W 21St Pl 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 1844 W 21St Pl compares to the neighborhood

This building against comparable properties in Lower West Side. Toggle filters to narrow the peer group.

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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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