Georgia Property Tax Appeal Deadlines — DeKalb and Newton Expire Today (July 13, 2026)
If you own property in DeKalb County or Newton County, your 2026 Georgia property tax appeal deadline is today — July 13, 2026. Once it passes, you are locked into this year's assessment for the full tax bill. No extension. No late filing.
Georgia Property Tax Appeal Deadlines Are County-Specific
Georgia law gives property owners a window to appeal their assessment. That window is not uniform across the state. It varies by county and is triggered by the date your assessment notice was mailed. Here is where the nine filemycase.ai-supported counties stand as of July 13, 2026:
| County | Deadline | Days Remaining | Filing Methods | |--------|----------|---------------|----------------| | DeKalb | Jul 13, 2026 | 0 | Portal, Mail, In Person | | Newton | Jul 13, 2026 | 0 | Portal, Mail, In Person | | Barrow | Jul 16, 2026 | 3 | Portal, Email, Mail, In Person | | Paulding | Jul 17, 2026 | 4 | Email, Mail, In Person | | Cobb | Jul 20, 2026 | 7 | Portal, Email, Mail, In Person | | Fulton | Jul 31, 2026 | 18 | Portal, Mail, In Person | | Coweta | Aug 3, 2026 | 21 | Portal, In Person | | Forsyth | Aug 10, 2026 | 28 | Portal, Mail, In Person | | Gwinnett | Jun 29, 2026 | Passed | Portal, Mail, In Person |
Gwinnett's window has already closed. If you missed it, you can join the 2027 waitlist through filemycase.ai and get notified the day notices mail.
What Happens If You Miss the Deadline
Once the appeal window closes, the assessed value on your notice becomes final for the 2026 tax year. You pay the full tax bill based on that number. There is no appeals process after the deadline — not through the county, not through the state, not through any workaround.
The only path forward is next year. filemycase.ai runs a TaxWatch waitlist that emails you the moment your county's 2027 appeal window opens, so this does not happen again.
How to Appeal Your Georgia Property Tax Assessment
Filing a property tax appeal in Georgia does not require an attorney. filemycase.ai walks you through the process for all nine supported counties — you answer questions about your property, the platform prepares your appeal forms, and you file through the method your county accepts (portal, mail, or in person).
The process takes about 25 minutes. You do not need to know which form your county uses or how to format it. The intake handles that.
Why Your Assessment May Be Wrong
County assessors use mass appraisal — a statistical model that values thousands of properties at once. It is efficient but imprecise. If you want to understand exactly why mass appraisal produces errors and how to spot them, read our breakdown: [The Mass Appraisal Problem — Why Your Georgia Assessment Is Probably Wrong](#).
And if you want to see the actual dollar cost of a 10% over-assessment — the math that makes filing worth your time — read: [What a 10% Over-Assessment Actually Costs You](#).
File Before the Window Closes
DeKalb and Newton are at zero days. Barrow, Paulding, Cobb, Fulton, Coweta, and Forsyth still have time — but the clock is running.
[Start your Georgia property tax appeal →](https://filemycase.ai/property-tax-appeal)
filemycase.ai is self-service software. We do not provide . If you have questions about your legal rights, consult a licensed attorney in Georgia.