Property Tax Calculator

This property tax calculator works out what a home actually costs you in tax — not from a
statewide average, but from the real effective rate in your own county. Enter the value of the home, pick your county,
and you get the annual bill, the monthly figure your mortgage escrow collects, and the total you will hand over across
thirty years.

That last number is the one nobody shows you, and it is usually the one that changes minds. Most every other
property tax calculator stops at the annual figure.

How this property tax calculator works

Most calculators ask for your state and apply a statewide average. That is close to useless, because property tax
is not a state tax. It is the sum of every district that taxes you — your county, your city or township, your
school district, and often fire, library and water districts on top.

So this property tax calculator uses your county’s effective rate: the total real-estate tax
actually paid in that county divided by the total value of owner-occupied homes there, from U.S. Census data. It is
what people in your county genuinely pay, not a headline millage rate that means nothing on its own.

Multiply that rate by the value of the home and you have a realistic estimate of the annual bill. Divide by twelve
and you have what your escrow account needs every month.

Why a property tax calculator must be per-county

Take a $400,000 home. In Autauga County, Alabama, it costs about $1,120 a year. In Bergen County, New Jersey, the
same house costs around $7,560. That is not a rounding difference. It is nearly seven times more, on an identical
property.

Even inside a single state the spread is enormous, which is why any property tax calculator built on a state
average will mislead you. Two counties an hour apart can differ by thousands of dollars a year, because their school
districts and municipalities set very different rates.

This is also why the comparison feature in the calculator is worth using if you are thinking about moving. Put the
same home value against two counties and you will see, immediately, what the move really costs.

The thirty-year number no property tax calculator shows you

Property tax is the housing cost people consistently underestimate, because it arrives once or twice a year and
gets buried in an escrow payment. A property tax calculator that only shows one year quietly hides the real total.

But it never ends. You pay off a mortgage. You never pay off property tax. On that $400,000 home in Bergen County,
thirty years of property tax comes to roughly $226,800. In Autauga County it is about
$33,600. The difference — $193,000 — is more than most people’s entire down payment.

That figure is not an argument for or against anywhere. It is simply a number worth knowing before you commit.

Assessed value is not the same as market value

Here is where people get confused when they compare our estimate to their actual bill.

In many states your tax is not applied to what your home is worth. It is applied to a fraction of it. Georgia
assesses homes at 40% of market value. Ohio at 35%. Tennessee at 25%. South Carolina at just 4% for an owner-occupied
home. Others — Texas, California, Maryland — use the full value.

The calculator shows you the assessed value for your state so the arithmetic makes sense. But you do not need to
work it out yourself: because the effective rate is measured against market value, our estimate already accounts for
it.

A few states have no fixed ratio at all. In Pennsylvania each county uses its own base year and a Common Level
Ratio. In New Jersey and New York, each town sets its own level. Where that is true, the calculator says so instead of
inventing a number.

Three ways to lower what the property tax calculator shows

Claim every exemption you are entitled to. Homestead, senior, veteran, disability. These are
almost never applied automatically, and a great many people simply never file. This is the fastest money on the table
and it does not require an argument with anyone.

Check the facts on your assessment. A surprising share of property records are wrong — the
wrong square footage, a bathroom that does not exist, a basement listed as finished when it is bare concrete. Factual
errors are the easiest corrections to win.

Appeal the value if it is too high. If similar homes near you are selling for less than the
assessor’s figure, you have a case. It is usually free to file, and in many places an informal review settles it
without a hearing.

Common questions about this property tax calculator

Why does the estimate differ from my actual bill?
Because rates vary within a county. Your school district, city and special districts each set their own, and
the calculator uses the county-wide effective rate. It gets you close; your bill is the exact figure.

Does it include exemptions?
No — it shows the bill before any exemption. If you qualify for a homestead, senior or veteran exemption, your
real bill will be lower, sometimes substantially. Use the exemption finder to see what you are owed.

What is an effective tax rate?
Total property tax paid divided by total home value. It is what people actually pay, which is why this property tax
calculator uses it rather than a millage rate you would have to convert yourself.

Will my property tax go up every year?
Usually, yes — either because your assessed value rises or because a district raises its rate. Several states cap
how fast the taxable value can climb, but very few cap the rate.

Can I use this when house-hunting?
That is exactly what the comparison feature is for. Two counties, the same home value, side by side — including
what the difference adds up to over thirty years.

More property tax tools and guides

• Are you overpaying? — check in thirty seconds whether you are over-assessed.
• Property tax exemption finder — the exemptions you are entitled to but never claimed.
• Property tax by state — every state, side by side.
• Property tax by county — your county’s rate, median bill and appeal deadline.
• How to appeal your assessment — the evidence that works and what to say.

Where our figures come from

• U.S. Census Bureau, American Community Survey — the effective rate and median home value behind every county in this property tax calculator.
• Tax Foundation, Property Taxes by State and County — the same dataset and method.
• State Departments of Revenue — the assessment ratios and caps.

Informational only. Know Property Tax is not a government agency, not a county assessor, and not a tax-appeal service,
and this is not legal, tax, or financial advice. Every figure here is an estimate. Rates vary by district within a
county and change every year. Confirm with your county assessor before you rely on any number.