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What has over-assessment cost you?

A home assessed $500,000 that is 8% over market overpays about $800 a year at a 2.0% effective rate: roughly $2,400 over 3 years without an appeal. Adjust the sliders for your numbers.

ESTIMATED OVERPAYMENT SO FAR
$2,160
About $720 a year at a 2.0% effective rate, for 3 years.
Estimate uses a 2.0% effective tax rate. Yours varies by county and millage.

Why do overpayments compound?

Assessments roll forward. An inflated number this year becomes the baseline for next year, so one unchecked assessment quietly repeats itself until someone appeals it. A successful appeal typically holds for multiple years, which is why the savings compound too.

Estimates are hypotheticals. Your actual verdict comes from your county's own records and real qualified sales, free and without signup.

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Property tax overpayment calculator · Appeal Season