Calculate your estimated property taxes using real average effective tax rates for all 50 states. See annual tax, monthly escrow, and compare to the national average.
Auto-updated · Verified daily against IRS, Fed & Treasury sources
Enter your numbers below
Based on your inputs
Texas avg rate: 1.8%
| Home Value | $400,000 |
|---|---|
| Assessed Value (after exemptions) | $400,000 |
| State Average Tax Rate | 1.80% |
| Effective Tax Rate | 1.80% |
| Annual Property Tax | $7,200 |
| Monthly Escrow Amount | $600 |
| National Average (on same home) | $4,400 |
| vs National Average | +$2,800/yr |
Money Score: Analyze 3 calcs across rent, debt, and savings to unlock.
Analyze 3 calcs to unlock
0 of 3 analyzed
Analyze 3+ calcs to unlock your Financial Picture dashboard (cross-analysis of all your numbers).
Property taxes are levied by local governments — counties, cities, school districts, and special districts. Your tax bill depends on two factors: the assessed value of your property and the local tax rate (also called the mill rate). Assessed value is determined by your county assessor's office, typically every 1-5 years depending on the state.
The formula is straightforward: Annual Property Tax = Assessed Value × Tax Rate. However, assessed value often differs from market value. Some states assess at 100% of market value, while others assess at a fraction (e.g., South Carolina assesses owner-occupied homes at just 4% of market value).
The following states consistently rank highest for effective property tax rates:
New Jersey (2.47%): The perennial leader in property taxes. A $400,000 home in New Jersey costs approximately $9,880/year in property taxes. This funds one of the nation's best public school systems, but it's a significant housing cost. Many NJ homeowners pay more in property taxes than their mortgage principal and interest.
Illinois (2.27%): High property taxes fund extensive public services in Illinois. Cook County (Chicago) has some of the highest rates in the state, with homeowners paying $9,080/year on a $400,000 home. Pension obligations and debt service contribute to elevated rates.
New Hampshire (2.18%): With no state income tax and no state sales tax, New Hampshire relies heavily on property taxes. The $8,720/year cost on a $400,000 home is the trade-off for those other tax savings.
Connecticut (2.15%): Connecticut's high property taxes ($8,600/year on $400K) reflect high municipal spending and a decentralized government structure with 169 independent towns.
Vermont (1.90%): Despite being a small rural state, Vermont's property taxes are among the highest nationally at $7,600/year on a $400K home, largely funding education.
Hawaii (0.28%): Hawaii consistently has the nation's lowest effective property tax rate. A $400,000 home costs just $1,120/year. However, Hawaii's extremely high home prices mean the dollar amount can still be substantial on expensive properties.
Alabama (0.41%): Alabama's low property taxes ($1,640/year on $400K) are offset by higher sales taxes. The state constitution caps property tax rates, keeping them among the lowest nationally.
Colorado (0.51%): Colorado's Gallagher Amendment historically kept residential property taxes low at $2,040/year on $400K, though recent legislative changes may affect future rates.
Louisiana (0.55%): Louisiana offers generous homestead exemptions and low rates, resulting in $2,200/year on a $400K home. The first $75,000 of value is exempt for owner-occupied homes.
Delaware (0.57%): Delaware has low property taxes ($2,280/year on $400K) and no state sales tax, making it attractive for retirees and homeowners.
States without income tax must fund government services through other means. Texas (no income tax) has a 1.80% property tax rate — $7,200/year on a $400,000 home. Florida (no income tax) has a more moderate 0.86% rate ($3,440/year) but makes up revenue through tourism taxes and sales tax. Washington state (no income tax) charges 0.98% in property taxes plus high sales taxes. The lesson: you always pay taxes somewhere. The question is which tax structure benefits your specific situation.
Understanding where your tax dollars go helps contextualize the costs. Typically: 50-60% funds public schools and education, 10-15% funds police, fire, and emergency services, 10-15% funds road maintenance and infrastructure, 5-10% funds parks and recreation, 5-10% funds county/city administration, and the remainder covers libraries, public health, and special districts. School funding is the largest component in virtually every jurisdiction, which is why homes in excellent school districts often have higher property tax rates.
County assessors value thousands of properties using mass appraisal techniques — computer models that estimate values based on property characteristics and recent sales. These models are imperfect. They may not account for your home's specific condition, an unusual lot shape, proximity to a noisy highway, or recent damage. Studies consistently show that 30-60% of residential properties are assessed higher than their actual market value.
The most common assessment errors include: using incorrect square footage or room counts, failing to account for needed repairs or deferred maintenance, comparing your home to superior properties in different neighborhoods, not reflecting market declines in your specific area, and including improvements that don't exist or have been removed.
When you receive your annual assessment notice (typically mailed in spring), review it carefully. Check the basic facts: square footage, number of bedrooms and bathrooms, lot size, year built, and any noted improvements. Errors in these basics are common and the easiest grounds for appeal. If your home is listed as having 4 bedrooms when it has 3, that alone could reduce your assessment significantly.
Next, check the assessed value against recent sales in your neighborhood. Look at homes that sold in the past 6-12 months that are similar in size, age, condition, and location. If comparable homes sold for less than your assessed value, you have a strong case. Websites like Zillow, Redfin, and your county assessor's website provide recent sales data.
Your appeal needs concrete evidence. The strongest types include: Comparable sales (comps): Find 3-5 homes similar to yours that sold recently for less than your assessment. Focus on homes within 1 mile, similar square footage (within 10%), same style, and similar age. This is the most persuasive evidence. Property condition: Document any issues that reduce value — foundation problems, roof damage, outdated systems, environmental issues. Photos and repair estimates strengthen your case. Factual errors: If the assessor's records show incorrect property details (wrong square footage, extra bathroom that doesn't exist), provide documentation showing the correct information.
Each jurisdiction has its own appeal process, but the general steps are similar. First, check your deadline — most states give 30-90 days from the assessment notice date. Missing the deadline forfeits your right to appeal for that year. Contact your county assessor's office or visit their website for the appeal form. Many jurisdictions now accept online filings. Fill out the form completely, attach your comparable sales analysis, and submit before the deadline.
Some jurisdictions offer an informal review first — a phone call or meeting with the assessor before the formal hearing. Always take this step if offered. Many assessments are corrected at this stage without a formal hearing.
If the informal review doesn't resolve the issue, you'll attend a formal hearing before a Board of Review or Assessment Appeals Board. These hearings are typically brief (10-15 minutes). Present your comparable sales, point out any factual errors, and explain why you believe the assessment is too high. Be factual, organized, and respectful. Bring printed copies of all evidence for the board members.
You don't need a lawyer for this process. Many homeowners successfully appeal on their own. However, if your potential savings are significant ($2,000+/year) or the case is complex, consider hiring a property tax consultant who works on contingency (typically 25-40% of first-year savings).
If your appeal succeeds, your assessment will be reduced, and your tax bill will decrease accordingly. The reduction typically applies to the current tax year and may carry forward to future years (until the next reassessment). If the appeal is denied, you can usually appeal to a higher board or court, though this is rarely worth the cost for residential properties. You can also try again next year with updated comparable sales data.
Even a modest 10% reduction on a $400,000 assessed value saves $440-$988/year depending on your state's tax rate. Over 5 years before the next reassessment, that's $2,200-$4,940 in savings from a few hours of work.
Property taxes are calculated by multiplying your home's assessed value by the local tax rate (mill rate). For example, a $400,000 home in New Jersey (2.47% rate) would owe approximately $9,880 per year.
New Jersey has the highest average effective property tax rate at 2.47%. Illinois (2.27%), New Hampshire (2.18%), Connecticut (2.15%), and Vermont (1.90%) round out the top five.
Hawaii has the lowest average effective property tax rate at 0.28%. Alabama (0.41%), Colorado (0.51%), Louisiana (0.55%), and Delaware/South Carolina (0.57%) also have very low rates.
Yes, but only if you itemize deductions. The SALT (State and Local Tax) deduction is capped at $10,000 per year for combined state income taxes and property taxes.
You can appeal your property tax assessment if you believe your home is over-valued, apply for homestead exemptions, check for senior/veteran/disability exemptions, and ensure your property records are accurate.
Property taxes equal your assessed home value multiplied by the local tax rate or millage rate. A home assessed at $300,000 with a 1.5% rate owes $4,500 annually. Assessment methods and rates vary significantly by county and municipality.
File a property tax appeal if your assessment exceeds fair market value. Apply for available exemptions such as homestead, senior, veteran, or disability exemptions. Check that your property records are accurate for square footage, bedroom count, and condition.
A homestead exemption reduces the taxable value of your primary residence. Most states offer exemptions ranging from $15,000 to $75,000 off assessed value. You may want to apply through your county assessor's office and occupy the home as your primary residence.
Generally yes, but many jurisdictions cap annual assessment increases. California limits increases to 2% per year under Prop 13. Other states reassess periodically and may adjust tax rates to keep overall revenue stable, partially offsetting value increases.
Hawaii has the lowest effective property tax rate at about 0.29%. Alabama, Colorado, Louisiana, and South Carolina also have rates below 0.60%. However, low property tax states may have higher income or sales taxes to compensate for the lower property revenue.
Annual Property Tax = Assessed Value × State Effective Tax Rate
Exemptions reduce assessed value before applying the tax rate. National average effective rate: 1.1%.
Every formula on this page traces to a federal agency, central bank, or peer-reviewed institution. We cite the rule-makers, not secondhand blogs.
Found an error in a formula or source? Report it →
Calculations are for educational purposes only. Consult a qualified financial advisor for personalized advice.