The Homeowner's Guide to Fighting a Property Tax Assessment

Your county says your home is worth more. That doesn't mean you have to agree. Across the country, homeowners are opening their latest property tax assessments and doing a double take. After years of red-hot home prices, assessors in many jurisdictions have finally caught up—and the numbers on those notices are translating into real money out of your pocket every month. Here's the part most people miss: an assessment is an opinion, not a verdict. And you have the right to challenge it. ## Why Bills Are Climbing Now Property taxes are calculated by multiplying your home's assessed value by your local tax rate. When home values surged during the pandemic buying boom, many counties lagged behind. Now they're reassessing, and the increases are landing all at once. In some markets, homeowners are reporting assessment jumps of 20% to 50% or more. On a $400,000 home, a 30% increase in assessed value could add hundreds of dollars to your annual bill—sometimes more, depending on your local rate. The frustrating reality: your assessment can rise even if you haven't done a single renovation. You're being taxed on market conditions, not on improvements you made. ## The Case for Pushing Back Consumer advocates say a surprisingly small share of homeowners ever appeal—often less than 5% in many jurisdictions. That means most people simply accept the number and pay. But the odds can be better than you'd think. Appeals are frequently won or settled with a reduction, especially when homeowners show up with solid evidence. The catch is that you have to act fast. Most counties set a narrow window—sometimes just 30 to 90 days from the notice date—to file a challenge. Miss it, and you're locked in for the year. ## How to Build Your Case **Pull your comps.** Find three to five recently sold homes similar to yours in size, age, and condition—ideally in your neighborhood and sold close to the assessment date. If they sold for less per square foot than your assessed value, that's your ammunition. **Check for errors.** Look at your property record card. Is the square footage right? Bedroom count? Did the county list a finished basement you don't have, or a pool you never built? Simple clerical mistakes are among the easiest wins. **Document your home's flaws.** A busy road, a leaky roof, outdated wiring, foundation issues—anything that drags your value below your neighbors' matters. **Consider the market.** If local prices have cooled or inventory has climbed since the assessment date, that's relevant too. ## The Process, Step by Step Most appeals start informally—a call or online form to your assessor's office. Many disputes get resolved right there without a formal hearing. If that fails, you can request a formal review before your county's board of equalization or appeals board. Bring your comps, photos, and repair estimates. Keep it factual and calm. You're not complaining; you're presenting evidence. You don't need a lawyer for a standard residential appeal. Some homeowners hire a professional tax consultant who works on contingency, taking a cut of the savings. That can be worth it for complex cases, but for a typical home, doing it yourself is often enough. ## Don't Forget the Homestead Angle While you're at it, confirm you're actually receiving every exemption you qualify for. Homestead exemptions, senior freezes, and veteran discounts can shave real dollars off your bill—and they're easy to overlook. ## The Bottom Line A property tax assessment isn't a bill you have to swallow whole. It's a starting offer, and the county expects some pushback. The window is short, the paperwork is real, but the payoff can repeat every year you hold the line. Spend an afternoon with your comps and your calendar—your future self will thank you. **Our take:** Most homeowners leave money on the table simply because they assume the county must be right. It isn't always. A few hours of homework before the deadline is one of the highest-return moves available to any homeowner—and unlike a lot of financial advice, this one pays off in cash you keep.