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Is Cook County over-assessing your property?

Enter your PIN or address. We'll compare your assessed value to nearby comparable properties and show the assessment-level gap against Cook County's 10% target, and your township's appeal-window status. No account, no card.

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Find your PIN at cookcountyassessor.com

Free · No account required · Uses public Cook County Assessor records

Don't know your PIN? Look it up by address at cookcountyassessor.com.

OverTaxed IL is not a law firm and does not provide legal or tax advice. We do not guarantee a reduction — county decisions are final.

● OverTaxed IL
Cook County property tax appeals, built for homeowners.
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Townships
South & West17 · 2026 cycle
BerwynBloomBremenCalumet
North Suburbs13 · 2027 cycle
BarringtonElk GroveEvanston
City of Chicago8 · 2028 cycle
Hyde ParkJeffersonLake
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About

Founded by Alexy Kaplun. OverTaxed IL is not a law firm and does not provide legal advice. Estimates are based on public Cook County Assessor records and may vary from final Board of Review outcomes.

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