Estimate annual and monthly property taxes for any home value. Select your state for the average effective rate, or enter your local rate manually. Compare taxes across US states. Free, no signup.
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ANNUAL TAX
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EFFECTIVE RATE
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10-YEAR TAX
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Property tax rates by state (sorted lowest to highest):
How Property Taxes Are Calculated
Property taxes are calculated by multiplying the assessed value of a property by the mill rate (tax rate). The assessed value is often a percentage of the market value — called the assessment ratio. Many states assess at 100% of market value, but some assess at 80%, 50%, or even lower.
Homestead exemption: Most states reduce the assessed value for primary residences. Florida exempts the first $50,000 of assessed value.
Senior exemptions: Many jurisdictions offer additional reductions for homeowners over 65.
Assessment cap: Some states (California's Prop 13, Florida's Save Our Homes) cap annual assessment increases — longtime owners pay much less than new buyers.
Appeals: If you believe your assessed value is too high, you can appeal to the local assessor's office. About 30–40% of successful appeals result in lower assessments.
Frequently Asked Questions
Can I deduct property taxes on my federal taxes?
Yes, up to a limit. The Tax Cuts and Jobs Act (2017) capped the State and Local Tax (SALT) deduction at $10,000 per year ($5,000 for married filing separately). This includes property taxes plus state income or sales taxes combined. Homeowners in high-tax states like New Jersey, Illinois, and New York often exceed this cap and cannot deduct the full amount.
How often are homes reassessed?
Reassessment frequency varies by state and county — annually in some jurisdictions, every 3–5 years in others, and only on sale in states like California (Prop 13). When your home is sold, most areas reassess at or near the sale price, which can significantly increase property taxes for the new buyer compared to what the seller was paying.
What happens if I don't pay property taxes?
Unpaid property taxes can lead to a tax lien on your property, which accrues interest and penalties. If left unpaid, the government can eventually foreclose on the property to collect the debt — even if you own the home outright with no mortgage. This process typically takes several years and includes multiple notices and redemption periods.