Property Tax Calculator

Estimate your annual property tax based on assessed value and local mill rate. Find your effective tax rate and monthly escrow amount.

🏠 Real Estate📐 Property Tax = Assessed Value x Mill Rate / 1,000
Home market value ($)
Assessment ratio (%)
Mill rate (mills)
Annual exemptions ($, if any)
Please enter valid values.

Formula & Reference

VariableFormulaUnits
Property Tax CalculatorProperty Tax = Assessed Value x Mill Rate / 1,000$ annual

Step-by-Step Examples

Example 1
Typical US Home

$350K home, 100% assessment, 20 mills, homestead $10K exemption.

  • Assessed = $350K | Taxable = $340K
  • Tax = $340K x 20/1000 = $6,800/yr
  • Monthly escrow: $567
✓ $6,800/year / $567/month
Example 2
Low Tax State

$400K home, 10 mills (low-tax state like WY or WA).

  • Tax = $400K x 10/1000 = $4,000/yr
  • = 1% effective rate
✓ $4,000/year
Example 3
High Tax State

$300K home, NJ-style 30 mills.

  • Tax = $300K x 30/1000 = $9,000/yr
  • NJ average effective rate: ~2.2%
✓ $9,000/year

Real-World Applications

Common Mistakes to Avoid

⚠️
Not checking the assessment ratio

Some jurisdictions assess at 100% of market value; others at 50%, 70%, or other fractions. A 30 mill rate on 50% assessed value = 15 mills effective rate. Always know your jurisdiction's assessment ratio.

⚠️
Forgetting available exemptions

Homestead exemptions (often $10,000-$50,000 off assessed value), senior exemptions, veteran exemptions, and disability exemptions reduce taxable value significantly. Apply for all eligible exemptions.

⚠️
Not appealing if assessment seems high

Property tax assessments can be appealed if you believe the assessed value exceeds market value. Appeal success rates are often 30-50%. It's worth checking comparables and filing an appeal if the value seems inflated.

Frequently Asked Questions

What is a mill rate?
One mill = $1 of tax per $1,000 of assessed value. A 20 mill rate on a $200,000 assessed value = $200,000 x 20/1,000 = $4,000 in annual property taxes.
What are the highest property tax states?
New Jersey (~2.2% effective), Illinois (~2.1%), Connecticut (~1.9%), New Hampshire (~1.8%), and Vermont (~1.7%) have the highest effective property tax rates.
What are the lowest property tax states?
Hawaii (~0.28%), Alabama (~0.40%), Louisiana (~0.55%), Colorado (~0.55%), and South Carolina (~0.57%) have the lowest effective property tax rates.
Can I deduct property taxes on my federal return?
The Tax Cuts and Jobs Act (TCJA 2017) limited the SALT (State And Local Tax) deduction to $10,000 per return ($5,000 married filing separately). This affects homeowners in high-tax states who itemize deductions.
What is a homestead exemption?
A reduction in the assessed value used to calculate property taxes for owner-occupied primary residences. Common amounts: $25,000-$100,000. Texas offers up to $40,000; Florida up to $50,000. Apply through your county assessor's office.

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