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Property tax estimate

Connecticut Property Tax Calculator

Estimate annual and monthly property taxes in Connecticutusing the state's average effective property tax rate of 1.79%. Enter a home value below to see an instant estimate — free and with no sign-up.

Last updated 2026-05-31

Connecticut Property Tax Calculator
Average property tax rate: 1.79%.
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Connecticut has some of the highest property taxes in the Northeast, set by town mill rates with no county-level tax.
Annual estimate
$8,950
Monthly estimate
$746

How to calculate property taxes in Connecticut

To estimate property taxes in Connecticut, multiply the home value by the local property tax rate. This page applies the state average effective rate of 1.79%, so a property valued at $500,000 would have an estimated annual property tax of $8,950.

Connecticut has some of the highest property taxes in the Northeast, set by town mill rates with no county-level tax.

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.

Connecticut property tax FAQ

What is the average property tax rate in Connecticut?

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The average effective property tax rate in Connecticut is about 1.79%, which is above 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 Connecticut?

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Using Connecticut's average effective rate of 1.79%, a $400,000 home owes about $7,160 per year in property tax, or roughly $597 per month. Actual bills vary with local rates and exemptions.

How do I calculate property tax in Connecticut?

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Multiply your home's value by the local property tax rate. This calculator applies Connecticut's average effective rate of 1.79%, 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 Connecticut'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.