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8900 S Cottage Grove Ave

Chatham, Chicago IL 60619 25032190320000 5 units · 1927

This building has a substantial enforcement record over the last seven years, and our model predicts continuing maintenance failures over 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 Chatham — not a forecast
Above average
avg 4.2
16
FewerMore

This building has 16 building violations (7y), above the Chatham average of 4.2.

Building characteristics
Units5
Year built1927
Stories
Building area4,306 sq ft
Property class212
PIN (Cook County parcel)25032190320000
Ownership

Registered owner per Cook County Assessor records.

Owner name
Mailing address
20030 Oregon Tr

Landlord portfolio

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

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Augrented Insights
Initial analysis

The 8900 S Cottage Grove Ave property is a 5-unit building located in the Chatham neighborhood, built in 1927 and currently owned by Herdie Sykes. The building's recent history (2025-2026) shows significant ongoing concerns, with multiple open violations and service requests. Most notably, there are six unresolved complaint-driven inspection violations from May 18, 2026, and a plumbing violation reported on May 6, 2026, that remains open. Previous service requests from earlier in 2026 included plumbing violations (February 20, closed), graffiti removal (March 3, closed), and animal-related issues (stray animal on January 11, closed; vicious animal on October 22, 2025, closed).

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

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Risk rating

How 8900 S Cottage Grove 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
19thpercentile

Out of 1901 buildings in this neighborhood, 1540 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
27%
No code
violation
73%
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.

Code violations (past 7 years)

City of Chicago Department of Buildings violations issued at this address over the last 7 years — a direct record of enforcement activity.

Code violations, owner's portfolio

Building violations across all properties this owner is registered on — a signal of systemic maintenance issues.

12-Month risk forecast
High failure risk 73%
Estimated probability of a code violation in the next 12 months.
Apartment reviews

8900 S Cottage Grove Ave apartment reviews

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On the map

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The story over time

8900 S Cottage Grove Ave event timeline

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

2026
Building Violation May 18 Serious
COMPLAINT
OPEN
Building ViolationMay 18
COMPLAINT

See all 12 events

Full history back to 2002 — violations, complaints, permits, and 311 calls.

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Every record we have

Full data for 8900 S Cottage Grove 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 8900 S Cottage Grove Ave compares to the neighborhood

This building against comparable properties in Chatham. 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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