DeKalb County Property Tax Appeal Guide

Appeal DeKalb County assessments within 45 days of your notice. PT-311A filing, BOE hearing tips, and comparable sales evidence from Protestly.

DeKalb County Board of Tax Assessors values Decatur, Brookhaven, Stone Mountain, and unincorporated DeKalb. Challenge fair market value with PT-311A within 45 days when notice value exceeds market comps.

Decatur bungalows, Tucker ranches, and perimeter condos need separate comp strategies — DeKalb BOE panels know these submarkets well.

When is the DeKalb County property tax appeal deadline for 2026?

45 days from Annual Notice of Assessment.

Georgia law generally gives you 45 days from the date of your Annual Notice of Assessment to file an appeal with the Board of Tax Assessors.

If you disagree after the assessors review your appeal, you may continue to a hearing before the Board of Equalization (BOE).

Who do I file a DeKalb County appeal with?

File your DeKalb County appeal with DeKalb Board of Tax Assessors. PT-311A and property data.

DeKalb Board of Tax Assessors

PT-311A and property data

How do I appeal property taxes in DeKalb County?

Verify value, exemptions, and property characteristics.

Review DeKalb notice

Verify value, exemptions, and property characteristics.

File PT-311A

Meet 45-day deadline; keep proof of delivery.

Submarket comps

Decatur vs. Lithonia vs. Dunwoody — do not blend.

BOE hearing

Present fair market value conclusion with three best comps.

What form do I file for a DeKalb Board of Tax Assessors appeal?

PT-311A (Appeal of Assessment): DeKalb appeal form.

PT-311A — Appeal of Assessment

DeKalb appeal form.

What happens at a DeKalb County BOE hearing?

DeKalb hearings favor owners who separate intown Decatur from outer-suburb markets with clear maps.

BOE

DeKalb hearings favor owners who separate intown Decatur from outer-suburb markets with clear maps.

What evidence does DeKalb Board of Tax Assessors / the BOE actually use?

Submarket sales.

Submarket sales.

Equity among neighbors.

Homestead/senior exemption fixes.

FAQ

DeKalb deadline?

45 days from notice date.

Where to file?

DeKalb Tax Assessors Office — dekalbcountyga.gov.

Decatur city?

City taxes still use county assessment — appeal lowers shared base.

Protestly?

Yes.

Condo appeals?

Use building-level sales.