How Much Can You Save on Property Taxes After a Successful Appeal?
Most homeowners who appeal their property tax assessment win some kind of reduction. And the savings aren't pocket change. The average successful appeal cuts a home's assessed value by 10-20%, which translates to hundreds or thousands of dollars per year in lower taxes.
Here's what realistic savings look like, how to estimate your own, and why most people who should appeal never bother.
TL;DR
- The average successful property tax appeal reduces assessed value by 10-20%
- At typical tax rates, that translates to $500-$3,000+ in annual savings
- Only about 5% of homeowners ever appeal, despite success rates of 30-60%
- Savings compound year over year since the lower assessment becomes your new baseline
- The appeal process is free (or nearly free) in most jurisdictions
What Does a Typical Successful Appeal Look Like?
Let's start with concrete numbers. Here's what savings look like at different assessment reduction levels, assuming a home currently assessed at $350,000:
| Assessment Reduction | New Assessed Value | Savings at 1.5% Rate | Savings at 2.0% Rate | Savings at 2.5% Rate |
|---|---|---|---|---|
| 5% ($17,500) | $332,500 | $263/yr | $350/yr | $438/yr |
| 10% ($35,000) | $315,000 | $525/yr | $700/yr | $875/yr |
| 15% ($52,500) | $297,500 | $788/yr | $1,050/yr | $1,313/yr |
| 20% ($70,000) | $280,000 | $1,050/yr | $1,400/yr | $1,750/yr |
| 30% ($105,000) | $245,000 | $1,575/yr | $2,100/yr | $2,625/yr |
Now multiply those annual savings by 3-5 years (the typical time between reassessments in most areas). A $1,000 annual reduction saves you $3,000-$5,000 before your home gets reassessed again.
Success Rates Are Higher Than You Think
People don't appeal because they assume they'll lose. The data says otherwise:
- Informal reviews: Success rates of 50-70% in most jurisdictions. These are conversations with the assessor where you present comparable sales data.
- Formal appeals to a review board: Success rates of 30-50%. More structured, but still favorable odds.
- Further appeals (state boards, courts): Lower success rates, but the stakes are usually higher and the savings justify the effort.
The reason success rates are so high is simple: mass appraisals used by assessor's offices aren't perfect. They rely on computer models that can't account for every property's unique characteristics. A home backing up to a busy road, a house with a failing foundation, or a property in a declining neighborhood can all be over-assessed by the model.
Why Your Assessment Might Be Too High
There are several common reasons homes end up over-assessed:
- Market changes: Assessments may lag behind a declining market. If home prices dropped since your last assessment, you could be paying taxes on yesterday's value.
- Data errors: Wrong square footage, incorrect bedroom/bathroom count, or a finished basement that doesn't exist. Assessment records are full of mistakes.
- Neighborhood factors: Your home might be compared to sales in a more desirable part of town. Busy roads, power lines, flood zones, and commercial proximity all affect value but may not show up in the assessment.
- Condition issues: Deferred maintenance, outdated kitchens, old roofs. The assessor's model assumes average condition unless someone points out otherwise.
- Unequal assessment: Your home is assessed higher than comparable homes in the same neighborhood. This is one of the strongest grounds for appeal.
How to Estimate Your Potential Savings
Here's a quick way to check if your assessment is too high:
- Find your assessed value. It's on your property tax bill or your county assessor's website.
- Compare it to recent sales. Look at 3-5 similar homes (same size, age, condition) that sold near you in the last 6-12 months. Zillow, Redfin, and Realtor.com all show recent sales data.
- Calculate the gap. If comparable homes sold for $300,000-$320,000 and your home is assessed at $360,000, that's a 12-20% gap.
- Multiply by your tax rate. A $50,000 reduction at a 2% tax rate saves you $1,000 per year.
If the gap between your assessment and actual market value is more than 5-10%, an appeal is worth pursuing.
The Cost of Not Appealing
Here's what most people don't think about: the cost of doing nothing. If your assessment is $40,000 too high and you never appeal, you overpay every single year.
| Over-Assessment Amount | Tax Rate | Annual Overpayment | 5-Year Cost | 10-Year Cost |
|---|---|---|---|---|
| $25,000 | 1.5% | $375 | $1,875 | $3,750 |
| $40,000 | 2.0% | $800 | $4,000 | $8,000 |
| $60,000 | 2.0% | $1,200 | $6,000 | $12,000 |
| $80,000 | 2.5% | $2,000 | $10,000 | $20,000 |
That's money you're handing to the county for no reason. No refund. No interest. Just gone.
What About Exemptions?
An appeal and an exemption work differently, but they stack beautifully. An exemption reduces your taxable value by a set amount. An appeal reduces your assessed value based on market evidence. You get both.
Example: Your home is assessed at $400,000 but is really worth $350,000. You also have a $50,000 homestead exemption.
- Without appeal: $400,000 - $50,000 = $350,000 taxable value
- With appeal: $350,000 - $50,000 = $300,000 taxable value
- Extra savings at 2% rate: $1,000 per year
If you're a senior or disabled veteran with additional exemptions, the savings stack even higher.
The Appeal Process: Quick Overview
Most appeals follow this sequence:
- Review your assessment notice. You have a window (usually 30-90 days) to file an appeal after receiving your assessment notice.
- File an informal review. Many jurisdictions let you start with an informal meeting or call with the assessor. Bring your comparable sales data.
- File a formal appeal. If the informal review doesn't work, submit a formal appeal to your local board of equalization or review board.
- Present your case. Show up with evidence: comparable sales, photos of your property's condition, and data on neighborhood factors that lower value.
- Receive the decision. The board either reduces your assessment, keeps it the same, or (rarely) raises it.
The process is free in most places. Some jurisdictions charge a small filing fee ($25-$50) that's refunded if you win.
When Is It NOT Worth Appealing?
An appeal doesn't make sense in every situation:
- Your assessment is within 5% of actual market value
- Your neighborhood's home prices have been rising and your assessment hasn't caught up yet (it will)
- You recently purchased the home at a price close to the assessed value
- You made significant improvements that genuinely increased the home's value
For everything else, it's worth at least looking into.
Frequently Asked Questions
What percentage of property tax appeals are successful?
Success rates vary by jurisdiction but typically range from 30% to 60%. Informal reviews (conversations with the assessor) have even higher success rates, often 50-70%. The odds are generally in the homeowner's favor, especially when they bring solid comparable sales data.
Can my property taxes go up if I appeal?
Technically possible but extremely rare. In most jurisdictions, the review board can only address the value you're contesting. They rarely raise assessments during an appeal. If you're concerned, check your state's rules before filing.
How long does the appeal process take?
An informal review can be resolved in a few weeks. Formal appeals to a review board typically take 2-6 months. If you escalate further to a state board or court, it could take a year or more. The savings apply retroactively to the year you filed.
Do I need a lawyer or tax consultant to appeal?
Not for most residential appeals. You can handle informal reviews and basic formal appeals yourself. For high-value properties or complex cases, a property tax consultant or attorney may be worth the cost. They typically charge 25-50% of the first year's savings.
How often can I appeal my property taxes?
You can appeal every year if you want to. Most homeowners appeal when they get a new assessment notice, which happens annually in some states and every 2-5 years in others. If your appeal is successful, the lower value typically sticks until the next reassessment.
What evidence do I need for a successful appeal?
The strongest evidence is comparable sales: recent sales of similar homes in your area that sold for less than your assessed value. Photos documenting condition issues, independent appraisals, and data showing assessment errors (wrong square footage, etc.) also help. The more specific and local your evidence, the better.
Will appealing my property taxes cause the assessor to scrutinize my property more closely?
It shouldn't. Assessors process thousands of appeals and treat them as routine. They're not going to inspect your property more closely or raise your assessment as retaliation. That said, if you've done unpermitted improvements, drawing attention to your property has a small risk.
Can I appeal if I just bought my home?
Yes, but it's harder to argue that the assessment is too high if you recently paid a price close to the assessed value. However, if the assessment is significantly higher than your purchase price, your closing documents are strong evidence in your favor.
Do appeals affect my escrow payments?
If you win and your property tax bill goes down, your mortgage company should adjust your escrow payment. This can take a few months to process. Contact your mortgage servicer after the appeal to make sure they update your payment amount.
What if I missed the appeal deadline?
You'll have to wait until the next assessment cycle to appeal. Some states offer late filing options for good cause (illness, military deployment, etc.), but they're the exception. Mark next year's deadline on your calendar now so you don't miss it again.
Find Out What You Could Save
A property tax appeal is one of the few ways to directly put money back in your pocket every year. And unlike exemptions, there's no age, income, or status requirement. Anyone can appeal.
PropertyTaxFight helps homeowners evaluate whether their assessment is too high and builds the evidence needed for a winning appeal. If you're paying more than you should, we'll help you fight for a fair assessment.