///GEORGIA · COUNTY GUIDE
Henry County's 2026 property tax appeal deadline is set by notice, not by a fixed calendar date.
Henry County publishes the statutory rule, that an appeal must be postmarked no later than 45 days from the mailing date of the annual Notice of Assessment, but had not published a 2026 mailing date or calendar deadline as of this check. Not found via the county Tax Assessors site, the Tax Collector site, or general web search.
What starts the clock: 2026 Annual Notice of Assessment mailing date not published by the county as of this check
| 2026 appeal deadline | Set by your assessment notice |
|---|---|
| File with | Henry County Board of Tax Assessors, 140 Henry Parkway, McDonough, GA 30253, 770-288-7999 |
| Governing jurisdiction | Henry County, Georgia |
| After a successful appeal | The reduced value is frozen for the two following tax years (O.C.G.A. §48-5-299(c)). |
| Can a board raise the value? | Yes — see below (O.C.G.A. §48-5-311) |
| Deadline source | Notice of Assessment, Henry County, GA |
| Last verified | August 16, 2026 |
There is no fixed calendar date — Henry County publishes the statutory rule, that an appeal must be postmarked no later than 45 days from the mailing date of the annual Notice of Assessment, but had not published a 2026 mailing date or calendar deadline as of this check. Not found via the county Tax Assessors site, the Tax Collector site, or general web search.
This date is our best reading of published county information — confirm with the Henry County Board of Tax Assessors, 140 Henry Parkway, McDonough, GA 30253, 770-288-7999 before relying on it.
Appeals are filed with the Henry County Board of Tax Assessors, 140 Henry Parkway, McDonough, GA 30253, 770-288-7999. The governing jurisdiction is the Henry County, Georgia.
Georgia counties mail an Annual Notice of Assessment, and an appeal must be filed within 45 days of the notice date (O.C.G.A. §48-5-311). Appeals go to the county Board of Assessors and, if not resolved there, to the Board of Equalization — most settle on the evidence, and Georgia allows remote hearings. A successful appeal freezes the reduced value for the two following tax years (O.C.G.A. §48-5-299(c)), so one appeal can lower the bill for three.
Yes, it's possible — a Georgia Board of Equalization may increase, decrease, or sustain an assessed value on appeal (O.C.G.A. §48-5-311). That's why we check for that exposure before filing: we don't file when we see it, and if it surfaces after filing we withdraw. We'd rather lose the case than leave you worse off than when you started.
Enter your address and we'll check Henry County's own records at no cost. If there's no case, we'll tell you that too.
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Georgia property tax appeals. Any estimate is based on county assessment data and public records and is not a guarantee of any outcome. Representation and fee terms are provided in writing before any filing. Deadline information reflects published county materials as of the date shown above — verify with the Henry County Board of Tax Assessors, 140 Henry Parkway, McDonough, GA 30253, 770-288-7999 before relying on it.