Home / Real Estate / Property Tax Calculator
Property Tax 🆓 Free 🇺🇸 All 50 States

Property Tax Calculator

Enter your home value and state to instantly calculate your estimated annual property tax, monthly escrow payment, and effective tax rate. Adjust for your county's assessment ratio, apply your homestead exemption, and compare rates across all 50 states - or enter a custom mill rate for precise local calculations.

Property Tax Calculator

️ Disclaimer: State rates are averages. Actual tax depends on local county/municipality rates and individual property assessments.

-
Annual Property Tax
-
Monthly (Escrow)
-
Effective Rate
-
Assessed Value

🗺️ Property Tax Rates by State

Average effective property tax rates by state (2024). Click any row to use in calculator.

Search state..." oninput="filterStates()" style="margin-bottom:1rem">
State Avg. Effective Rate Median Home Value Median Annual Tax Rate Visual

Source: Tax Foundation, 2024 data. Rates vary significantly within each state by county and municipality.

How Property Tax Works

Basic Formula

Annual Property Tax = Assessed Value × Tax Rate Assessed Value = Market Value × Assessment Ratio (varies by state: 20% to 100%) Tax Rate = Mill Rate ÷ 1000 (e.g. 15 mills = 1.5% = $15 per $1,000 assessed) Net Taxable Value = Assessed Value − Exemptions

Example Calculation

Home Market Value: $400,000 Assessment Ratio: 80% (some states assess at 80%) Assessed Value: $400,000 × 80% = $320,000 Homestead Exemption: $25,000 Net Taxable Value: $320,000 − $25,000 = $295,000 Mill Rate: 18 mills (= 1.8%) Annual Tax: $295,000 × 1.8% = $5,310 Monthly Escrow: $5,310 ÷ 12 = $442.50

Assessment Ratio by State

Most states: 100% of market value Some states use lower ratios: California: Proposition 13 limits increases to 2%/yr New York: Varies by county (6% to 100%) Illinois: 33.3% for residential Mississippi: 10% residential, 15% commercial Arkansas: 20% residential Louisiana: 10% residential Always check your local assessor for actual ratio.

Common Exemptions

Homestead Exemption: Reduces taxable value for primary residence Range: $5,000 to $100,000+ (TX) Senior Citizen: Additional reduction for 65+ homeowners Veteran Exemption: Reduction/elimination for veterans Disability: For qualifying disabled homeowners Agricultural: Lower rates for farmland Historic Property: Tax credits for qualifying properties

Appealing Your Assessment

If you believe your property is over-assessed: 1. Check your assessment notice for appeal deadline 2. Compare to similar properties (comparables) 3. File appeal with county assessor/board 4. Provide evidence: recent appraisal, sales data 5. Attend hearing if required Win rate: ~40-50% of appeals result in reduction. Typical deadline: 30-90 days from assessment notice.

Frequently Asked Questions

Property tax = Assessed Value × Tax Rate. Assessed value = Market Value × Assessment Ratio (varies by county). The tax rate is the combined mill rate from all overlapping local governments: county, city, school district, and special districts. Example: $500,000 market value × 80% assessment ratio = $400,000 assessed. Less $50,000 homestead exemption = $350,000 taxable. At 1.5% effective rate: $5,250/year annual property tax.
A mill rate is $1 of tax per $1,000 of assessed value. A mill rate of 15 = 1.5% = $15 per $1,000. To convert to percentage: divide mill rate by 10. Example: 15 mills on $300,000 assessed value = $4,500/year. Mill rates are set separately by each taxing authority (county, city, school district) and added together for your total combined rate. Your property tax bill shows the combined rate applied to your assessed value.
Many states assess property at less than 100% of market value. The assessment ratio is the percentage applied. Example: 80% ratio on a $400,000 market value home = $320,000 assessed value. Tax is then calculated on the assessed value. Assessment ratios vary by state and county - some states use 100%, others 60–80%. Always check your county assessor's website or your tax bill for the local ratio, as it significantly affects your actual tax calculation.
A homestead exemption reduces the taxable assessed value of your primary residence. Example: $50,000 exemption on $300,000 assessed value → taxed on $250,000 instead. Typical exemptions: $5,000–$25,000 in most states. Florida: up to $50,000 standard, more for seniors. Texas: $100,000 standard (increased to $100K in 2023). Some states offer percentage reductions instead of flat amounts. Apply at your county assessor's office - it's typically a one-time application and saves hundreds of dollars annually.
Highest average effective property tax rates: New Jersey 2.23%, Illinois 2.08%, Connecticut 1.92%, New Hampshire 1.89%, Vermont 1.83%, Wisconsin 1.76%, Texas 1.68%, Nebraska 1.65%. On a $400,000 home: New Jersey = approximately $8,920/year. Texas = approximately $6,720/year. These states typically rely heavily on property tax to fund schools - the primary driver of high rates.
Lowest average effective rates: Hawaii 0.28%, Alabama 0.40%, Colorado 0.51%, Nevada 0.55%, Louisiana 0.56%, West Virginia 0.58%, Wyoming 0.57%, South Carolina 0.57%. Important caveat for Hawaii: home values are among the highest in the US, so even at 0.28%, a $1 million home generates $2,800/year in tax. The dollar amount matters as much as the rate - use the calculator with your specific home value.
Yes - you have the right to appeal if you believe your assessed value is too high. Steps: (1) Check recent comparable sales (from Zillow, Redfin, county records) - if similar homes sold for less than your assessed value, you have a case. (2) Check your property record for errors: wrong square footage, extra bedrooms listed, etc. (3) File an appeal with your county assessor or Board of Equalization within the deadline (typically 30–90 days from your assessment notice). Studies suggest 40–50% of appeals result in a reduction. The cost is usually just time.
Lenders typically require monthly escrow for property taxes (1/12 of annual tax). This is added to your principal and interest payment - creating the full PITI payment (Principal, Interest, Taxes, Insurance). At closing, you prepay several months into escrow (typically 2–6 months). If taxes increase, your lender conducts an annual escrow analysis and raises your monthly payment. This is why monthly payments can increase on a fixed-rate mortgage. The monthly escrow estimate in this calculator shows what to budget.

🏆 Lowest Tax States

Hawaii0.28%
Alabama0.40%
Colorado0.51%
Nevada0.55%
Louisiana0.56%

️ Highest Tax States

New Jersey2.23%
Illinois2.08%
Connecticut1.92%
New Hampshire1.89%
Vermont1.83%

Related Calculators

Home Affordability Closing Costs 🤔 Rent vs Buy

Share

Property Tax Calculator - How US Property Tax Works and What Affects Your Bill

Property tax is one of the most significant recurring costs of homeownership - yet many buyers don't fully understand how it's calculated until they receive their first tax bill. Unlike income tax (which is set at the federal and state level), property tax is almost entirely local - set by your county, municipality, school district, and any special tax districts. This means two homes with identical market values in different counties can have dramatically different annual tax bills.

How the calculation works: Market value $500,000 × Assessment ratio 80% = Assessed value $400,000. Less homestead exemption $50,000 = Taxable value $350,000. × Tax rate (15 mills = 1.5%) = Annual property tax $5,250. Monthly escrow = $437.50.

The Three-Step Property Tax Calculation

  1. Market Value to Assessed Value: Your property's assessed value is typically a fraction of its market value, set by the county assessor. The ratio varies: some counties assess at 100% of market value, others at 60–80%. Enter your county's assessment ratio in the calculator above - if you don't know it, check your most recent property tax bill or your county assessor's website.
  2. Apply Exemptions: Most states offer homestead exemptions that reduce the taxable value for your primary residence. The exemption is subtracted from the assessed value before calculating tax. Taxable value = Assessed value − Exemptions.
  3. Apply the Tax Rate: Multiply taxable value by the combined mill rate (all overlapping taxing authorities added together). Mill rate = all county + city + school district + special district rates combined.

Highest and Lowest Property Tax States - What Drives the Difference

Highest Effective Rates

  • New Jersey: 2.23% - High public service costs, dense population, no large land areas to spread costs
  • Illinois: 2.08% - Heavy reliance on property tax to fund schools
  • Connecticut: 1.92%
  • New Hampshire: 1.89% - No income or sales tax; property tax is the primary revenue source
  • Vermont: 1.83%
  • High-tax states often fund better public schools and services

Lowest Effective Rates

  • Hawaii: 0.28% - Low rate but very high home values make the dollar amount significant
  • Alabama: 0.40%
  • Colorado: 0.51% - Residential assessment ratios capped by law
  • Nevada: 0.55%
  • Louisiana: 0.56%
  • Low-tax states may fund services through income or sales taxes instead

Common Exemptions That Reduce Your Tax Bill

  • Homestead exemption: Reduces taxable assessed value for primary residences. Amounts range widely: $5,000–$25,000 in most states, up to $100,000+ in Florida for low-income seniors, unlimited in Texas for certain homeowners. Always apply - it's free money.
  • Senior citizen exemption: Many states reduce property taxes for owners aged 65+ who meet income thresholds. Some programs freeze assessed value so taxes don't increase as property values rise.
  • Veteran's exemption: Disabled veterans often receive partial or full property tax exemptions. Qualifying criteria vary by state.
  • Disability exemption: Similar to veteran's exemptions, available in most states for qualifying disabilities.
  • Agricultural exemption: Properties used for farming are often assessed at lower agricultural-use values rather than highest-and-best-use market value.

Property Tax and Your Mortgage - The Escrow Connection

Most mortgage lenders require borrowers to escrow property taxes - meaning 1/12 of the estimated annual tax is collected with each monthly mortgage payment and held in an escrow account. The lender pays the tax bill when it's due. This protects the lender against tax liens.

When you close on a home, you typically prepay 2–6 months of property taxes into escrow to ensure there are sufficient funds when the first tax bill is due. If property taxes increase, your lender will conduct an annual escrow analysis and adjust your monthly payment to cover the higher amount. This is one reason mortgage payments can increase even with a fixed-rate loan.

How this calculator works, and where the numbers come from

The Property Tax Calculator applies the standard formula for this calculation to the values you enter and updates the result as you type. The calculation itself happens in your browser, and the page explains the method so you can check any result by hand.

Please note: Results are estimates. Lender terms, local taxes and fees vary, so confirm figures with your lender or a qualified adviser.

Sources and further reading

Last reviewed: by the CalcQube Editorial Team. See our editorial policy for how we build and check calculators, or report an error.