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3325 N Monticello Ave

Avondale, Chicago IL 60618 13233240100000 3 units · 1913

This building has a substantial enforcement record over the last seven years, but recent activity points to a low risk of further maintenance problems in the next 12 months. Read the records below before you sign. Ask which issues were resolved, get repair commitments in writing, and inspect the unit yourself.

Building Violations (7y) vs. neighborhood
Records already on file, against a typical building in Avondale — not a forecast
Above average
avg 0.6
3
FewerMore

This building has 3 building violations (7y), above the Avondale average of 0.6.

The bar and the rating point different ways because they measure different things: the bar counts building violations already on file, the rating forecasts the next 12 months.

Building characteristics
Units3
Year built1913
Stories
Building area3,220 sq ft
Property class211
PIN (Cook County parcel)13233240100000
Ownership

Registered owner per Cook County Assessor records.

Owner name
Mailing address
3329 N Monticello Av

Landlord portfolio

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

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Augrented Insights
Initial analysis

The three-unit residential building at 3325 N Monticello Ave in Avondale, built in 1913 and currently owned by Duane Mangahas, has experienced a series of concerning events in 2025 that warrant attention. Most significantly, there are three unresolved building code violations dating from March 14, 2025, which were generated through complaint-driven inspections. Additionally, the property has been the subject of multiple plumbing-related incidents, including three sewer cleaning inspection requests and two water-on-street complaints between February and May 2025, all of which have been marked as closed but suggest ongoing infrastructure challenges. The pattern of plumbing and sewer-related issues, combined with the open building code violations, indicates potential ongoing maintenance and safety concerns. The building's violation and service request history over the past seven years shows a total of three building violations and ten service requests, though the 2025 incidents form a distinct cluster that is more recent and potentially more relevant to current tenant conditions.

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

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Risk rating

How 3325 N Monticello 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.

Neighborhood percentile
61stpercentile

Out of 3681 buildings in this neighborhood, 1436 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.

Building size

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

Number of bedrooms

Total bedroom count is a proxy for property scale.

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 25%
Estimated probability of a code violation in the next 12 months.
Apartment reviews

3325 N Monticello Ave apartment reviews

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On the map

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The story over time

3325 N Monticello Ave event timeline

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

2025
Building Violation Mar 14 Serious
COMPLAINT
OPEN
Building ViolationMar 14
COMPLAINT

See all 4 events

Full history back to 2025 — violations, complaints, permits, and 311 calls.

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Every record we have

Full data for 3325 N Monticello Ave 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 3325 N Monticello Ave compares to the neighborhood

This building against comparable properties in Avondale. 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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