ROI Math

Property tax estimate

Idaho Property Tax Calculator

Estimate annual and monthly property taxes in Idahousing the state's average effective property tax rate of 0.67%. Enter a home value below to see an instant estimate — free and with no sign-up.

Last updated 2026-05-31

Idaho Property Tax Calculator
Average property tax rate: 0.67%.
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Idaho offers a homeowner's exemption that reduces the taxable value of an owner-occupied primary residence.
Annual estimate
$3,350
Monthly estimate
$279

How to calculate property taxes in Idaho

To estimate property taxes in Idaho, multiply the home value by the local property tax rate. This page applies the state average effective rate of 0.67%, so a property valued at $500,000 would have an estimated annual property tax of $3,350.

Idaho offers a homeowner's exemption that reduces the taxable value of an owner-occupied primary residence.

Actual tax bills can include county, city, school district, exemption, and assessment rules, so investors should verify the final number with the local assessor before closing.

Comparing returns across markets? Use the cap rate calculator and cash-on-cash return calculator, which let you include property taxes as an operating expense.

Idaho property tax FAQ

What is the average property tax rate in Idaho?

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The average effective property tax rate in Idaho is about 0.67%, which is below the U.S. average of roughly 1.07%. Effective rate means annual tax divided by market value; your local rate may differ by county and city.

How much is property tax on a $400,000 home in Idaho?

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Using Idaho's average effective rate of 0.67%, a $400,000 home owes about $2,680 per year in property tax, or roughly $223 per month. Actual bills vary with local rates and exemptions.

How do I calculate property tax in Idaho?

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Multiply your home's value by the local property tax rate. This calculator applies Idaho's average effective rate of 0.67%, but you should confirm the exact county, city, and school district rates and any available exemptions with your local assessor.

Property tax calculators for other states

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This estimate uses Idaho's average effective property tax rate and is for educational purposes only — not tax advice. Confirm your exact rate and exemptions with your county assessor.