Over 80% of Georgia homeowners have never appealed — but a successful appeal on a $400K home can save $2,858 over three years.
Property Tax Appeal Savings in Georgia: What the County-Level Data Actually Shows More than 80% of Georgia homeowners have never appealed their property taxes. That's according to a 2025 survey of 863 Georgia homeowners — and it means the vast majority are paying whatever the county assessor decides, no questions asked. Here's what makes that number so striking: a homeowner with a $450,000 house in Gwinnett County who wins a modest 12% reduction doesn't just save $753 in the first year. Thanks to Georgia's 3-year assessment freeze, that single appeal can be worth $3,215 over three years. And the worst-case scenario if you appeal and lose? Your tax bill stays exactly the same. Those aren't hypothetical numbers. Let's walk through exactly where they come from. How Does Georgia Calculate Your Property Tax Bill? Georgia assesses all property at 40% of fair market value. That's not a guideline — it's state law under O.C.G.A. § 48-5-6. So the number on your assessment notice isn't what the county thinks your home is worth. It's 40% of what they think it's worth. From there, the math is straightforward. Here's how it works for a $450,000 home in unincorporated Gwinnett County: Step 1: Fair market value to assessed value $450,000 x 40% = $180,000 assessed value Step 2: Apply the millage rate Gwinnett's combined millage rate for unincorporated areas is approximately 34.86 mills. One mill equals $1.00 of tax per $1,000 of assessed value. $180,000 x 34.86 / 1,000 = $6,275 annual property tax (before any exemptions) Step 3: What a 12% reduction looks like If you successfully argue your home's fair market value should be $396,000 instead of $450,000: New assessed value: $396,000 x 40% = $158,400 Assessed value reduction: $180,000 - $158,400 = $21,600 Annual savings: $21,600 x 34.86 / 1,000 =…