Why Property Taxes Vary So Much by State (and What Yours Will Cost)

Two buyers purchase identical $400,000 homes on the same day at the same rate. One pays $90 a month in property tax. The other pays $670.

Neither is doing anything wrong. One is in Hawaii and one is in Illinois, and that single difference is worth $580 a month — about $69,600 over ten years — before anyone discusses interest rates, down payments, or negotiation.

Property tax is the most geographically variable cost in homeownership, and it's the one buyers most often carry over unchanged from a previous state's assumptions. This guide covers the full 50-state picture from our own dataset, why the spread exists, and what you can actually do about your own bill.

A note before you start: this is general education, not tax advice. Every figure below is a statewide effective rate from our own sourced 50-state dataset — the actual annual tax as a percentage of home value, not a headline millage rate. Statewide averages blend counties with genuinely different rates, so treat them as a comparison tool between states, not a prediction for a specific address.

1. The national picture

Across all 50 states:

• Average effective rate: 0.92%
• Median: 0.80%
• Lowest: 0.27% (Hawaii)
• Highest: 2.01% (Illinois)

That's a 7.4x spread between the extremes — wider than the variation in home prices, mortgage rates, or almost any other cost in the transaction.

The median sitting below the average tells you the distribution is skewed: most states cluster in the low-to-mid range, with a handful of high-tax states pulling the average up.

2. The lowest-tax states

Hawaii's position surprises people, since it has the second-highest home prices in the country. That's precisely the mechanism: effective rate is tax divided by value, so a state with very high values can raise substantial revenue at a very low rate. A low percentage of a large number is still a large number — Hawaii's actual bills aren't as small as 0.27% suggests, because the values it applies to are enormous.

This is the single most important caveat in the whole article: a low rate is not the same as a low bill. Compare the dollar figure for the price you'd actually pay locally, not the percentage.

3. The highest-tax states

At the top of that list, property tax alone approaches what a modest car payment costs — every month, forever, with no payoff date. It doesn't end when your mortgage does.

That last point deserves emphasis, because it's routinely missed in retirement planning: your mortgage is temporary and your property tax is permanent. Someone retiring in Illinois with a paid-off $400,000 home still owes roughly $670 a month in property tax.

4. Why the spread exists

States fund local services differently. Property tax overwhelmingly funds local government — schools most of all, plus police, fire, roads, and libraries. States that lean on it fund more locally; states that don't shift the burden to income or sales tax.

The no-income-tax trade-off is real but inconsistent. New Hampshire (1.48%) and Texas (1.40%) have no broad personal income tax and above-average property tax rates — consistent with the idea that revenue has to come from somewhere. But it isn't a rule: Nevada (0.48%), Wyoming (0.55%), Florida (0.78%), and Washington (0.84%) also have no income tax and sit at or below the national average. Treat it as a tendency, not a law.

Assessment caps change the effective rate. California's Proposition 13 limits how fast assessed value can rise, so a long-time owner's effective rate drifts well below a new buyer's on an identical house. Several states have similar mechanisms, and they systematically pull down measured effective rates.

Exemptions vary enormously. Some states remove a large slice of assessed value for owner-occupants (see section 6), lowering the effective rate for residents while investors pay more.

5. How your bill is actually calculated

Roughly the same everywhere, with the details differing:

1. The assessor determines market value — periodically, not continuously. Some states reassess annually, others on multi-year cycles, others primarily at sale.
2. An assessment ratio may apply. Some states tax a fraction of market value rather than all of it.
3. Exemptions are subtracted — homestead, senior, veteran, disability.
4. The millage rate is applied. Usually the sum of several overlapping districts: county, city, school, and special districts.

That layering is why two houses a mile apart can have meaningfully different bills — a different school district is often the reason.

The number worth comparing across states is the effective rate: the final bill divided by real market value, with all of the above already baked in. That's what every figure in this article is.

6. Homestead exemptions — the money people leave on the table

Most states offer some reduction for owner-occupied primary residences, and the structures vary widely:

• A flat dollar reduction in taxable value.
• A percentage reduction.
• A cap on how fast assessed value can rise while you own and occupy.
• School-tax-only reductions, which apply to just one component of the bill.

The magnitude ranges from token to transformative. Texas's exemption removes a substantial amount from the assessed value used for school taxes and caps annual appraisal increases at 10% once filed. Pennsylvania's is narrower — a school-district-only exclusion, funded by gaming revenue, typically worth a few hundred dollars a year.

The critical practical point: in most states this is not automatic. You have to apply, usually with your county assessor, usually by a deadline early in the year. Owners routinely go years without filing and simply overpay.

If you've bought in the last year or two, check whether you've filed. It's among the highest-return hours available to a homeowner. Your state's buying guide on this site covers what's available where you are.

7. Appealing an assessment

If your assessed value looks too high, most jurisdictions have a formal appeal process — and success lowers the bill permanently, not once.

What usually works:

• Comparable sales showing similar nearby homes valued or sold lower.
• Factual errors in the property record — wrong square footage, a bathroom you don't have, a finished basement that isn't.
• Condition issues the assessor couldn't see, like a failing roof or foundation problems.

What usually doesn't: arguing that the tax is too high, or that you can't afford it. The appeal is about value, not about the rate or your circumstances.

Deadlines are strict and typically fall shortly after assessment notices are issued. Miss it and you generally wait a year.

8. What this means when you're buying

Compare dollars, not percentages. A low rate in a high-price state can produce a bigger bill than a high rate in a cheap one.

Get the actual bill for the actual address. Most counties publish current tax records online. This takes minutes and beats any statewide average.

Ask whether the current bill reflects an exemption you won't inherit. If the seller had a senior or long-held homestead exemption, or benefits from an assessment cap, your bill after purchase may be substantially higher than theirs. This catches buyers out regularly.

Expect it to rise. Assessments move, and your escrow payment moves with them — see our escrow guide.

Factor it into affordability, not just the payment. Property tax comes out of the same debt-to-income budget as principal and interest, which is why the same income buys meaningfully less house in a high-tax state. Our affordability guide quantifies that.

9. The full top and bottom ten

The five-state tables above show the extremes. Here's the wider picture, since several states people assume are cheap or expensive land somewhere unexpected.

Ten lowest effective rates:

Ten highest effective rates:

A few observations worth drawing out.

The high-tax list is regionally mixed. It isn't simply "the Northeast." Nebraska, Texas, Ohio, and Iowa sit alongside Illinois, New Jersey, and Connecticut. Property tax burden tracks how a state funds local services far more than it tracks geography or politics.

The gap narrows quickly below the top three. Illinois, New Jersey, and Connecticut are genuine outliers at 1.81%–2.01%. From New Hampshire down, the rates cluster between 1.31% and 1.48% — a much tighter band. Being "in the top ten" is a very different thing at position one than at position ten.

The low list is dominated by the South and Mountain West, with Delaware the notable Northeast entry.

10. What property tax actually pays for

Understanding where the money goes explains most of the variation, and it's the part of the debate usually left out.

Schools take the largest share in most jurisdictions — frequently more than half the bill. This is the primary reason property tax varies so much between neighbouring towns: a district that funds schools generously has higher rates, which is also why school quality and property tax are correlated and why buyers often accept a higher bill for a specific district.

The rest funds local services: police and fire, roads, libraries, parks, county administration, and often special districts for water, sewer, or flood control.

Two structural consequences follow.

It's local, so it varies locally. Your bill is the sum of overlapping district rates — county, municipality, school district, and any special districts. Two houses a mile apart in different school districts can differ by thousands.

It's relatively stable revenue, which is why governments rely on it. Property values move more slowly than incomes or retail spending, so property tax funds services predictably through recessions. That stability for governments is exactly the inflexibility homeowners experience: the bill doesn't fall when your income does.

Worth knowing when comparing states: a low property tax state has to raise the money elsewhere. Compare the whole picture — income tax, sales tax, and property tax together — rather than optimising a single line.

11. Special assessments and other add-ons

Beyond the standard bill, several charges can appear that catch buyers out:

Special assessments. A one-time or multi-year charge for a specific local improvement — new sewers, road resurfacing, sidewalk installation. These attach to the property, not the owner, so you can inherit one from the seller. Ask directly whether any assessment is pending or in progress.

Mello-Roos and similar community facilities districts. Common in newer California developments and increasingly elsewhere. These fund infrastructure for new subdivisions and can add substantially to the annual bill — sometimes thousands — often for decades. They're disclosed, but easily skimmed past.

Special taxing districts. Fire, water, flood control, or municipal utility districts (MUDs are common in Texas). These sit outside the headline county rate and vary property by property.

Reassessment on sale. Some states reassess at market value when a property changes hands. If the seller has owned for twenty years under an assessment cap, their bill tells you almost nothing about yours. Always ask what the assessed value will be after the sale rather than looking at the current bill.

The practical instruction is the same for all of these: get the actual bill for the actual address from the county, and ask the assessor's office what changes at sale. It takes one phone call and it's the only way to know.

12. How to read your tax bill

Property tax bills are written for assessors, not owners, but the four numbers that matter are consistent almost everywhere.

Market value (or appraised value). What the assessor believes the property is worth. Compare this against what you actually paid and against recent nearby sales — this is the figure an appeal targets.

Assessed value. The portion of market value that's actually taxable. Some states tax 100%; many tax a fixed fraction. A jurisdiction taxing 40% of market value at a rate that looks alarming may produce an ordinary bill.

Exemptions. Listed as deductions from assessed value. Check that yours are actually there. A homestead exemption you filed for but that isn't showing is a common and expensive error, and it's fixable.

Taxable value and the rate table. Taxable value is assessed value minus exemptions. The rate is usually broken into districts — county, city, school, and any special districts — each with its own line. Adding them gives your total rate, and seeing the breakdown tells you where the money goes. In most bills the school line is the largest by a wide margin.

Two things worth checking every year:

Did market value jump more than local sales justify? That's the appeal trigger. Deadlines are typically short and fall soon after notices are issued.

Did an exemption disappear? Some require periodic re-filing, and some drop off automatically when a deed changes — including after refinancing or adding a spouse to the title. Owners lose exemptions this way without ever being told.

A note on escrow. If your taxes are escrowed, the bill usually goes to your servicer and you receive a copy marked "for information only." That copy is easy to discard unread — which is exactly how errors and missing exemptions persist for years. Read it when it arrives, then check your annual escrow statement against it. Our escrow guide covers how the increase reaches your monthly payment.

Frequently asked questions

Which state has the lowest property tax? By effective rate, Hawaii at 0.27%. But Hawaii's home prices are among the highest in the country, so the actual dollar bill isn't as low as the rate implies.

Which state has the highest? Illinois at 2.01%, followed by New Jersey (1.89%) and Connecticut (1.81%). On a $400,000 home, Illinois works out to about $670 a month.

What is an effective property tax rate? The actual annual tax as a percentage of real market value, after assessment ratios and exemptions. It's the only figure that compares meaningfully across states, since headline millage rates apply to different value bases.

Why do property taxes vary so much? They fund local services — schools especially — so states that fund more locally lean harder on them. Assessment caps and exemptions also pull measured rates down in some states.

Do states without income tax have higher property taxes? Sometimes. Texas and New Hampshire do. Nevada, Wyoming, Florida, and Washington don't. It's a real tendency, not a rule.

Can I lower my property tax? Two main routes: file for every exemption you qualify for (often not automatic), and appeal your assessment if the valuation is wrong. Both can produce permanent reductions.

Will my property tax go up after I buy? Often, yes — particularly if the state reassesses at sale, or if the seller held an exemption or assessment cap you won't inherit. Check what the bill will be for you, not what it was for them.

Does property tax end when I pay off my mortgage? No. It continues for as long as you own the property, which is why it matters so much in retirement planning.

When are property taxes due? It varies widely — annually, semi-annually, or quarterly depending on the jurisdiction. If your taxes are escrowed, your servicer pays on the due date from your monthly collections, so the schedule mostly affects how much escrow cushion is required.

Are property taxes tax-deductible? They can be, if you itemise, subject to the overall cap on state and local tax deductions. Since the standard deduction increased, many owners no longer itemise at all. Confirm with a tax professional.

What to do next

Our payment calculator applies your state's real effective property tax rate to your price and shows the monthly figure inside the full payment — so you can see what the geography actually costs before you're committed.

From there:

• How much house can you afford? — property tax comes straight out of your borrowing budget.
• Escrow accounts explained — how tax increases reach your monthly payment.
• Why homeowners insurance varies so much by state — the other big geographic cost.
• Your own state's buying guide, for its exemptions and assessment rules.

See our methodology page for how every figure on this site is sourced.

This article is general education about property taxes, not tax or legal advice. Effective rates are statewide averages from CalculatorByState's own sourced 50-state dataset; county and municipal rates within a state vary substantially. Exemption and appeal rules differ by state and county — confirm with your county assessor or a tax professional.