Property Tax Calculator

How Are Property Taxes Calculated?

Property tax equals the assessed value of your home multiplied by the local tax rate (mill rate). The assessed value may differ from market value depending on your jurisdiction assessment ratio. Enter your home value, local tax rate, and any applicable exemptions in the calculator above to see the annual tax bill, monthly equivalent, and effective rate. Most homeowners pay property tax through their mortgage escrow account, but the actual amount due depends entirely on local government assessments and rates.

Property Tax Rates by State: Highest and Lowest

New Jersey leads the nation at an average effective rate of 2.23% - a $400,000 home costs $8,920/year in property tax. Illinois: 2.07% ($8,280). New Hampshire: 1.93% ($7,720). Connecticut: 1.79% ($7,160). Texas: 1.68% ($6,720). On the low end: Hawaii at 0.29% ($1,160). Alabama: 0.37% ($1,480). Louisiana: 0.55% ($2,200). Colorado: 0.51% ($2,040). West Virginia: 0.57% ($2,280). The difference between the highest and lowest state means a $400,000 home costs $7,760 more per year in New Jersey than Hawaii - over $645 per month in additional housing cost that does not build equity.

Assessed Value vs Market Value

Market value is what your home would sell for on the open market. Assessed value is the amount the tax authority uses to calculate your bill. Some jurisdictions assess at 100% of market value, while others apply an assessment ratio (e.g., 60% of market value). A home with a $400,000 market value at 60% assessment ratio has an assessed value of $240,000. At a 2% tax rate, the bill is $4,800 ($240,000 x 0.02), not $8,000 ($400,000 x 0.02). Understanding your local assessment ratio prevents confusion when comparing your tax bill to the advertised rate.

Common Property Tax Exemptions

Homestead exemption: available in most states for primary residences, reducing assessed value by $25,000-$100,000 or more. Texas offers a $100,000 school district exemption for homesteads. Florida caps annual assessment increases at 3% for homesteaded properties. Senior citizen exemptions: many states freeze assessments or offer additional deductions for homeowners over 65 with income below certain thresholds. Veteran exemptions: disabled veterans often qualify for partial or complete property tax exemption. Agricultural use exemptions: significantly reduce taxes on farmland. Apply proactively - exemptions are not automatic in most jurisdictions and require filing an application with the tax assessor office.

How Do You Appeal a Property Tax Assessment?

If your assessed value seems high compared to recent sales of similar nearby homes, you can file an appeal. Gather evidence: comparable sales within the last 6-12 months, photos of any condition issues that reduce value, and an independent appraisal if the assessment is significantly off. File the appeal within the deadline (typically 30-90 days after the assessment notice). Success rates for appeals vary by jurisdiction but range from 30-50% when supported by solid comparable sales data. Even a modest $20,000 reduction in assessed value at a 2% rate saves $400 per year, compounding into thousands over the ownership period.

Where Does Property Tax Revenue Go?

Local school districts receive the largest share in most areas, typically 40-60% of the total property tax collected. County and municipal government services (police, fire, roads, parks) receive 20-35%. Special districts (water, sewer, library, hospital) receive 10-20%. This allocation means property tax rates directly affect local school funding quality, which in turn influences home values. Areas with excellent schools tend to have higher property taxes but also higher home prices because families pay a premium for school district access. The relationship creates a self-reinforcing cycle of funding and property values.

Property Tax and the SALT Deduction Cap

The Tax Cuts and Jobs Act of 2017 capped the state and local tax (SALT) deduction at $10,000 per year ($5,000 for married filing separately). This limit combines state income tax and property tax. A homeowner paying $8,000 in property tax and $6,000 in state income tax has $14,000 in SALT, but can only deduct $10,000. Before the cap, the full $14,000 was deductible. This change disproportionately affected homeowners in high-tax states (New York, New Jersey, California, Connecticut). The cap is scheduled to expire after 2025, and its renewal or modification is a significant legislative debate.

Property Tax When Buying a New Home

When purchasing a home, the prior owner property tax may not reflect what you will pay. Many jurisdictions reassess upon sale, potentially resetting the assessed value to the current purchase price. In California (Proposition 13), property is reassessed at sale to market value and then capped at 2% annual increases, which means long-term owners pay dramatically less than recent buyers for identical homes. Request the actual tax history for any property you are considering and calculate your expected tax based on the purchase price and current rates, not the seller current bill, which may reflect decades-old assessments or exemptions you will not receive.

Frequently asked questions