How to appeal a Gwinnett County, GA property assessment

✓ Verified — Last verified October 24, 2026

Filing details published for Gwinnett County. Match the notice and assessment cycle to the official instructions.

Official appeal instructions

Not tax or legal advice; confirm with your county.

Filing timing

Notice-dependent instructions

File within 45 days of the date on the Annual Notice of Assessment.

Official source. Verified .

Where to file

Gwinnett County Board of Assessors.

Official source. Verified .

Official appeal page

Official appeal page

Official source. Verified .

Official offices

Gwinnett County Assessors’ Office

Office website

Office website

Official source. Verified .

Phone

770.822.7200

Official source. Verified .

All Gwinnett County dates, offices and sources

Sources for these instructions

https://www.gwinnetttaxcommissioner.com/ja/property-tax/brochure
you may file an appeal with the Board of Assessors (BOA) within 45 days of the date on the Annual Notice of Assessment.

Verified October 24, 2026

https://www.gwinnetttaxcommissioner.com/ja/property-tax/brochure
Board of Assessors (BOA)

Verified October 24, 2026

Continue with your property

Common questions

Where do I file a Gwinnett County assessment appeal?

Gwinnett County Board of Assessors.