Property Tax Analysis · Cook County, IL · Tax Year 2025
1425 SUSAN DR
DES PLAINES, IL 60018
TAX YEAR 2025 · CCAO
Verdict · Your Property Tax May Be Too High
~$64,877
above your recent purchase price. Higher than 90% of flagged homes in this zip.
Your property was assessed above your March 2023 purchase price of $345,123 — strong direct evidence for a Board of Review appeal.
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The evidence
This property was purchased for $345,123 in March 2023 — an arm's-length market transaction that directly benchmarks the assessment.
SOURCE: COOK COUNTY ASSESSOR'S OFFICE · 2025 CERTIFIED DATA
Fair cash value = certified assessed value × 10 (Illinois law: residential properties assessed at 10% of FCV).
What it means
In plain terms: your home was assessed above what you paid for it — direct evidence that your tax bill is too high.
Your property was assessed above what you paid for it in 2023. A documented purchase price is strong evidence to bring to a Board of Review hearing — assessors give significant weight to arm's-length market transactions.
The deadline
2025 Board of Review windows are open
Appeal windows vary by township, March–November 2026. Find your township's open window at cookcountyassessor.com. Not sure when your township's window is open? Ownwell monitors your property year-round and files when your window opens.
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