41% of Fulton County homes were overvalued in 2025. Here is exactly how much a successful appeal saves — with real numbers.
How Much Can You Save by Appealing Property Taxes in Fulton County? If you live in Fulton County, there is a real chance you are overpaying on property taxes right now. The Board of Assessors' own data shows that 41% of residential properties were overvalued in 2025. For a homeowner with a median-value property, that overassessment translates to hundreds of dollars a year in excess taxes — and potentially thousands over a three-year period. This article is about the money. Not the paperwork, not the hearing logistics, not the filing deadlines. If you want the full process walkthrough, read our complete Fulton County property tax appeal guide. Here, we are going to answer one question: what are the realistic Fulton County property tax savings if you appeal and win? The answer depends on how far off the county's number is, where exactly in Fulton County you live, and whether you qualify for a three-year assessment freeze. Let's break it down. How Are Fulton County Property Taxes Calculated? Georgia law requires all property to be assessed at 40% of its fair market value. That 40% figure — called the assessed value — is the number your millage rate applies to. A mill is $1 of tax per $1,000 of assessed value. Fulton County's general fund rate has held steady at 8.87 mills since 2022, but that is only one layer. Your actual tax bill stacks the county rate on top of your city rate and your school district rate. If you live in the City of Atlanta, your combined rate is roughly 40.74 mills. In Sandy Springs, it is about 30.68 mills. In Milton or Roswell, it falls somewhere in between. Here is the practical math. On a home the county values at $400,000: Assessed value: $400,000 x 0.40 = $160,000…