🏡 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.
🗺️ Property Tax Rates by State
Average effective property tax rates by state (2024). Click any row to use in calculator.
| 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
Example Calculation
Assessment Ratio by State
Common Exemptions
Appealing Your Assessment
❓ Frequently Asked Questions
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.
The Three-Step Property Tax Calculation
- 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.
- 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.
- 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.