Douglas County’s 33% millage hike means many homeowners are overassessed — here’s how to appeal and lock in savings for three years.
How to File a Douglas County Property Tax Appeal and Lower Your Tax Bill Douglas County homeowners saw their property tax bills jump after the Board of Commissioners adopted a 33.26% increase over the rollback millage rate in 2025. With a median tax bill of $2,532 and an effective tax rate of 1.27% — well above the national average of 1.02% — many homeowners are paying more than they should. Filing a Douglas County property tax appeal is one of the few tools available to push back, and the process is more straightforward than most people expect. Over 60% of residential appeals with proper evidence result in a lowered assessment, and a successful appeal locks in your reduced value for three full years. This guide walks through every step: how the county values your home, how to spot an inflated assessment, how to file, what evidence actually persuades the Board of Equalization, and the mistakes that sink otherwise winnable cases. How Do Douglas County Property Tax Assessments Work? Georgia assesses all property at 40% of fair market value under O.C.G.A. § 48-5-7. That 40% figure is your assessed value, and it's the number your tax bill is calculated from. Here's the formula: Step Calculation Example ($330,000 Home) ------ ------------- ------------------------ Fair Market Value Set by Board of Tax Assessors $330,000 Assessed Value FMV x 40% $132,000 Tax Bill Assessed Value x Millage Rate / 1,000 $132,000 x 31.463 / 1,000 = $4,153 The Douglas County Board of Tax Assessors conducts annual reappraisals, reviewing sales data, building permits, and market trends to estimate what your home would sell for on January 1 of the tax year. Assessment notices are mailed between April 15 and July 1 each year. In 2025, Douglas County mailed notices on May 30. Your notice will show…