DeKalb County Property Tax Appeals
Millage Rate: 34.418 mills (unincorporated) • 78% Success Rate • Avg. $370/yr Savings
Get Your Free DeKalb AssessmentHow Property Assessments Work in DeKalb County
DeKalb County reassesses all properties annually through the Tax Assessor's Office. Assessment notices are typically mailed in late spring, giving property owners 45 days to file an appeal with the Board of Equalization. DeKalb has been one of the most aggressive counties in metro Atlanta when it comes to increasing assessments — often raising values 15–30% in a single year.
The Board of Equalization hearing process in DeKalb involves presenting comparable sales data, property condition evidence, and any errors in the county's records. DeKalb's assessment staff reviews thousands of properties, and errors — from phantom improvements to incorrect square footage — are more common than most owners realize.
PRE has extensive experience in DeKalb County, having reviewed 47+ properties with a 78% success rate. Our data shows that DeKalb is one of the most fertile counties for successful appeals due to the frequency of over-assessments.
Case Studies from DeKalb County
Overvalued Residential
$285,000
$210,000
26%
$820
Portfolio Optimization
$175,000
$132,000
24%
$470
Multi-Property Investor
$225,000
$78,000
65%
$1,610
What DeKalb County's Millage Rate Means for You
DeKalb's 2025 total millage rate is 34.418 mills in unincorporated areas, rising to as high as 53.818 mills inside cities like Pine Lake and Stone Mountain (50.245). Because Georgia taxes 40% of fair market value, every $10,000 reduction in assessed value saves about $344/year in unincorporated DeKalb — and over five years that's $1,720 from a single successful appeal.
DeKalb County Appeal Deadline
DeKalb County assessment notices are typically mailed in May–June. You have 45 days from the mailing date to file your appeal.
Get Your Free DeKalb County Property Assessment
Find out if your DeKalb County property is over-assessed — and how much you could save.
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