Property tax is a yearly bill based on what your home or land is worth
Property tax is a local tax you pay once or twice a year to your county or municipality. The amount depends on your property's assessed value — what the assessor says it is worth — multiplied by a tax rate set by your local government. You do not pay it to the federal government or your state; you pay it to the county or city where the property sits.
If you have a mortgage, your lender usually collects the tax payment from you each month as part of your escrow account, then pays the county on your behalf. If you own the property outright, you receive a bill directly and must pay it yourself. The bill arrives once a year in most places, though some counties split it into two payments.
Property tax funds local services: schools, roads, fire departments, libraries, and county administration. The rate varies dramatically by location — a home worth $300,000 might cost $3,000 a year in one county and $8,000 in another, depending entirely on the local tax rate.
Key Takeaways
- Your property tax bill equals your home's assessed value times the local tax rate, and the amount changes if your home's value changes or the tax rate changes.
- The assessor determines your home's value, usually every one to three years, and you can challenge that value if you believe it is wrong.
- If you pay through escrow with a mortgage, your lender collects the tax monthly; if you own outright, you pay the county directly once or twice yearly.
- Homeowners over 65, disabled homeowners, veterans, and agricultural property owners may receive exemptions or reductions that lower the assessed value or the tax owed.
- If you fall behind on property tax, the county can place a lien on your home and eventually foreclose, so payment is not optional.
How the assessed value is determined
The county assessor's office assigns a value to your property, usually every one to three years depending on your state's rules. They do this by looking at recent sales of similar homes in your area, the condition of your building, the size of your lot, and local market trends. You do not choose this value — the assessor does, and it is their job to estimate what your home would sell for on the open market.
The assessed value is not the same as the market value or what you paid for the house. A home you bought for $250,000 might be assessed at $240,000 or $270,000 depending on market conditions and the assessor's judgment. Some states use the full market value; others use a percentage of it (called a "fractional assessment"). Your county assessor's website or your property tax bill will tell you what percentage your county uses.
You receive notice when your assessment changes, usually by mail. If you believe the assessed value is too high, you can file a formal challenge called an assessment appeal or assessment protest. The process and deadline vary by state — some give you 30 days, others give 60 — so check your county assessor's website immediately after receiving the notice.
The tax rate and how it is set
The tax rate is set by your local government — usually the county commission, city council, or school board — and it is expressed as a dollar amount per $1,000 or $100 of assessed value. For example, a rate of $12 per $1,000 means you pay $12 in tax for every $1,000 your home is assessed at. A home assessed at $300,000 with a $12 per $1,000 rate would owe $3,600 in annual tax.
The rate changes when the local government raises or lowers its budget. If the school district needs more money, the county commission approves a higher rate. If the county has a surplus, the rate might drop. Rates also change when voter-approved measures pass — a bond for a new school building or a road project might raise the rate for a set number of years.
You can find your county's current tax rate on the assessor's website or your property tax bill. The bill usually breaks down which portion goes to schools, which to the county, which to the city, and which to special districts like fire or water. This breakdown helps you see exactly where your money goes.
Exemptions and reductions that lower your tax bill
Many states and counties offer exemptions that reduce the assessed value or the tax owed. The most common are homestead exemptions (for primary residences), senior exemptions (usually age 65 or older), disability exemptions, veteran exemptions, and agricultural exemptions. An exemption typically reduces your assessed value by a fixed dollar amount — for example, a $50,000 homestead exemption means your assessed value is reduced by $50,000 before the tax rate is applied.
You must claim an exemption; it does not happen automatically. You file a form with your county assessor, usually once, and the exemption stays in place as long as you meet the requirements. If you move or no longer meet the criteria, you must notify the assessor. Requirements vary widely — some states require you to have owned the home for a certain number of years, others do not; some require you to live in the state, others do not.
Contact your county assessor's office to learn which exemptions you may be may have access to to and what documents you need to claim them. Exemptions can save hundreds or thousands of dollars per year, so it is worth investigating even if you are not sure you may have access to.
What happens if you do not pay property tax
Property tax is not optional. If you do not pay, the county places a lien on your property, meaning they have a legal claim against it. The lien appears on your title and prevents you from selling or refinancing until it is paid. Interest and penalties accumulate, making the debt larger each month.
If you remain unpaid for a set period — usually two to three years, depending on your state — the county can foreclose on your home and sell it at a tax sale to recover the money owed. You lose the property entirely. Some states allow a redemption period after the sale where you can reclaim the home by paying the full amount owed plus costs, but this window is usually short.
If you cannot pay, contact your county tax collector or assessor immediately. Many counties offer payment plans, deferrals for seniors or disabled homeowners, or hardship programs. Waiting makes the situation worse, not better.
How property tax affects your mortgage payment
If you have a mortgage, your lender requires you to pay property tax through an escrow account. Each month, you pay one-twelfth of the estimated annual tax as part of your mortgage payment. Your lender holds this money in escrow and pays the county bill when it arrives. This protects the lender — if you stopped paying tax, the county could foreclose and the lender would lose their collateral.
Your escrow payment can change if your assessed value changes or the tax rate changes. When the county sends a new tax bill, your lender recalculates your monthly escrow payment and adjusts your mortgage payment accordingly. You will receive a notice of the change, usually called an escrow analysis statement. If the new payment is higher, your total monthly mortgage payment goes up.
If you pay off your mortgage and own the home outright, you no longer pay through escrow. You receive the tax bill directly from the county and must pay it yourself by the deadline, usually in two installments.
Challenging your assessed value
If you believe your home is assessed too high, you can file an appeal. The process starts with gathering evidence: recent sales of comparable homes in your neighborhood, a professional appraisal, photos of any damage or needed repairs, or documentation that your home lacks features similar homes have. You then file a formal protest with your county assessor within the deadline stated on your assessment notice.
The assessor reviews your evidence and may lower the value, keep it the same, or ask you to appear at a hearing. If you disagree with the result, most states allow a second appeal to a county board of equalization or assessment appeals board. This board is independent of the assessor and can overturn their decision. A few states allow a third appeal to tax court, but this is expensive and usually only worth it for high-value properties.
The deadline to file an appeal is strict — missing it by one day usually means you lose the right to challenge that year's assessment. Mark the deadline on your calendar and file early. Many counties allow online filing, which creates a time-stamped record.
Frequently Asked Questions
Can my property tax go down if my home loses value?
Yes, but only if you challenge the assessment. The assessor does not automatically lower the value when the market drops. You must file an appeal with evidence that comparable homes sold for less. After a major market decline, many homeowners file appeals in the same year, so the assessor's office may be backlogged.
What is the difference between property tax and homeowners insurance?
Property tax is a yearly tax paid to the county that funds local services. Homeowners insurance is a policy you buy from a private company to protect your home against damage or liability. Both are often paid through escrow if you have a mortgage, but they are completely separate bills.
Do I have to pay property tax if I own my home outright?
Yes. Owning the home outright does not exempt you from property tax. You receive a bill directly from the county and must pay it by the deadline. If you do not pay, the county can foreclose and sell your home, even though you own it free and clear.
What if I disagree with the assessor's value but cannot afford to appeal?
Many counties offer free or low-cost assessment appeal assistance through community legal aid organizations or nonprofit housing agencies. Contact your county assessor's office or call 211 to find free help in your area. Some assessors also have informal review processes that do not require a formal appeal.
Does property tax increase every year?
Not automatically. Your tax bill increases only if your assessed value increases, the tax rate increases, or both. Some states cap how much the assessed value can increase each year (called a "cap" or "truth in taxation" law), so your bill may stay stable even if the market value rises. Check your state's rules.