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1836 W 21St St 2Ndfl

Lower West Side, Chicago IL 60608 17194190270000 3 units · 1899

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
Units3
Year built1899
Stories
Building area3,704 sq ft
Property class211
PIN (Cook County parcel)17194190270000
Ownership

Registered owner per Cook County Assessor records.

Owner name
Mailing address
1836 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 property at 1836 W 21st Street, located in Chicago's Lower West Side neighborhood, is a 3-unit building constructed in 1899, currently owned by Sandra Navarrete. The building's municipal service request history from the past seven years shows minimal activity, with only three recorded 311 service requests directly related to the property during this period. However, it's worth noting that the building's address has been associated with three consecutive tree-related service requests in early 2024, including a tree emergency, a tree removal inspection, and a tree trim request - all of which have been closed. While the tree-related incidents appear to have been adequately addressed by city services, it's significant that these requests cluster closely together during a single season, suggesting a period of heightened attention to the property's external landscape maintenance requirements. The building's age and minimal service request history in recent years may indicate relatively stable conditions, though the concentration of tree-related requests in 2024 is an important recent development.

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

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Risk rating

How 1836 W 21St St 2Ndfl'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
46thpercentile

Out of 3683 buildings in this neighborhood, 1989 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
67%
No code
violation
33%
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.

Location

Precise location is a proxy for area-level risk — some Chicago zip codes have systematically higher code-enforcement activity.

Building size

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

Year built

The year a building was constructed is a proxy for its maintenance challenges.

12-Month risk forecast
Low failure risk 33%
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

1836 W 21St St 2Ndfl 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 1836 W 21St St 2Ndfl 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 1836 W 21St St 2Ndfl 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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