Gwinnett County, GA property tax deadlines
5 coming property tax dates for Gwinnett County, Georgia. Each one links to its official source and shows the day LevyDay last checked it.
| Next dates | Bills due | Last day without penalty | Appeal by | Exemption filing |
|---|---|---|---|---|
| Gwinnett | Nov 15, 2026gwinnetttaxcommissioner.comOct 21 | Set by noticedor.georgia.govOct 21 | Set by noticedor.georgia.govOct 21 | Apr 1, 2027dor.georgia.govOct 21 |
Deadlines in date order
| Date and source | Deadline |
|---|---|
| January 1 to April 1 every yeardor.georgia.govOct 21 | Other Last day to file a property return |
| April 1 every yeardor.georgia.govOct 21 | Exemption filing File for the homestead exemption You must own the home on January 1. You can also apply after April 1, up to the end of the 45-day appeal window on your assessment notice. |
| November 15, 2026 2026 onlygwinnetttaxcommissioner.comOct 21 | Bills due 2026 bills due Bills usually go out in August or September and are due in October or November. Interest adds up each month after the due date. |
| Varies, see rule set by noticedor.georgia.govOct 21 | Last day without penalty 60 days from the bill to pay without interest Interest doesn't start until 60 days after the postmark on your bill. |
| Varies, see rule set by noticedor.georgia.govOct 21 | Appeal deadline Appeal your assessment within 45 days Send it to the county board of tax assessors, postmarked no later than 45 days after your assessment notice was mailed. |
Appealing your assessed value
Appeal by the date on your noticedor.georgia.govOct 21
If you think the county valued your home too high, you can appeal. Filing with the county is free and you can do it yourself.
Get help filing an appeal
After you send your details, we look for an independent appeal firm or attorney to take your case. We'll be in touch once one has agreed. Firms usually charge a share of what you save, and the one that takes it may pay LevyDay a referral fee.
LevyDay doesn't file appeals or give legal or tax advice. We only pass your details on. The independent firm or attorney that takes your case does the work and sets its own fee.
Get help filing an appealGood to know in Georgia
- Paying late: In Gwinnett, a 5% penalty is added to the remaining balance after 120 days, then another 5% after every 120 days, up to 20%. Interest is charged on top of that. gwinnetttaxcommissioner.comOct 21
- Appealing your value: File a written appeal with the county board of tax assessors, not the Department of Revenue. The state's uniform form is the PT-311A, and you must pick your appeal method on it. More dor.georgia.govOct 21
- Homestead exemption: You get the homestead exemption on a home you owned and that was your legal residence on January 1. You must actually live there. More dor.georgia.govOct 21
- Second homes and rentals: By law you can have a homestead exemption on only one property. Married couples share one exemption even if they live in separate homes. More gwinnetttaxcommissioner.comOct 21
Official offices
Places in Gwinnett County
They are: Auburn, Berkeley Lake, Braselton, Buford, Dacula, Duluth, Grayson, Lawrenceville, Lilburn, Loganville, Mountain Park, Norcross, Peachtree Corners, Rest Haven, Snellville, Sugar Hill, Suwanee. Every place in the county gets the dates above.
Nearby in the Georgia list
GilmerGlascockGlynnGordonGradyGreeneHabershamHallHancockHaralsonHarrisHart