Property Tax Calculator

Calculate your property tax based on home value and local tax rate.

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How Property Tax is Calculated

Property tax is calculated by multiplying your home's assessed value by the local tax rate, often called a millage rate.

The assessed value isn't always the same as market value — many counties apply an assessment ratio, so a $400,000 home might be assessed at 80% of that figure, or $320,000.

Tax rates vary widely by state, county, school district, and city, and they typically combine into one total rate.

For example, a home assessed at $300,000 with a combined rate of 1.5% would owe $4,500 per year.

Exemptions like homestead, senior, or veteran credits can lower the taxable portion before the rate is applied.

When to Use a Property Tax Calculator

A property tax calculator is most useful when you're comparing homes in different neighborhoods, planning a move to another state, or checking whether a mortgage lender's escrow estimate looks reasonable.

It also helps when your county sends a new assessment notice and you want to see how the change affects your monthly payment.

Run the numbers before making an offer so you can factor taxes into your true cost of ownership, not just the listing price.

Investors use it to estimate carrying costs on rental properties, and current owners can model the impact of appealing an over-assessed value or applying for a homestead exemption.

Common Mistakes with Property Tax Calculations

The most common mistake is confusing market value with assessed value — many homeowners plug in their Zillow estimate when the county actually taxes a lower assessed figure.

Another pitfall is using only the city or county rate and forgetting school district, fire district, or special assessment levies, which can double the effective rate in some areas.

People also forget to subtract homestead or senior exemptions before applying the rate, leading to inflated estimates.

Tax rates change yearly, so a number from two years ago may no longer be accurate.

Always pull the current rate from your county assessor's website and review your most recent tax bill for the exact breakdown.

Property Tax vs Home Insurance

Property tax and home insurance are often bundled into the same monthly mortgage payment through an escrow account, which makes them easy to confuse.

Property taxes are mandatory payments to local governments based on your home's assessed value, and they fund schools, roads, and emergency services.

Home insurance is a private contract that protects you financially against fire, theft, storm damage, and liability claims, with premiums set by your insurer based on risk factors like location, construction, and claims history.

Taxes rise or fall with assessments and local budgets, while insurance premiums depend on market conditions and your coverage choices.

Both are recurring costs every homeowner should budget for separately.