Taxes in Dunwoody
Dunwoody residents pay a property tax bill layered across the city, DeKalb County, and DeKalb County Schools -- the city's own rate is fixed, precisely sourced, and includes a real, standing homestead reduction, but the total combined effective rate depends on county and school layers that this dataset discloses as a genuine range. Beyond property tax, Georgia's flat state income tax and DeKalb's own local sales tax round out the picture.
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Learn moreThe city's own rate: fixed, with a real homestead reduction built in
The City of Dunwoody's own municipal millage rate is proposed to remain at 3.040 mills for 2026, held flat for recent years, with the city's charter including a standing one-mill reduction for all homestead properties -- lowering the effective homesteaded rate to 2.040. Due to DeKalb County reassessment increases, the city filed notice of a 0.50% property tax increase using this same nominal rate, but the charter's assessment-freeze protection for homestead properties means no homestead owner sees a city tax bill increase this year as a result.
DeKalb County's overall rate: a genuine, disclosed range
DeKalb County's effective property tax rate is cited across a real spread depending on source: 1.22% by one aggregator, 0.96% and 1.04% by others, and roughly 0.95% by a fourth. Total combined millage across city, county, and school layers is cited at roughly 36-39 mills for Dunwoody specifically. Confirm the current combined rate for a specific parcel directly with the DeKalb County Tax Commissioner rather than relying on any single cited figure.
A flat, recently accelerated state income tax
Georgia's flat personal income tax rate is 4.99% as of 2026. That figure has a real, worth-disclosing legislative wrinkle: HB 111 originally set a schedule of 0.10-percentage-point annual cuts starting in 2026 that wouldn't have reached 4.99% until 2028, but HB 463, signed in May 2026, accelerated the timeline to reach 4.99% immediately as of January 1, 2026. There is no Georgia state estate or inheritance tax.
A higher combined sales tax than Gwinnett County
The combined 2026 sales tax rate for Dunwoody is 8% -- Georgia's 4.0% state rate plus DeKalb County's 3.0% county rate plus an additional 1% (Dunwoody's own city-level sales tax rate is cited at 0%, with the extra percentage point coming from DeKalb County's own special-purpose local option sales tax layers). This runs a full 2 percentage points above the 6% combined rate cited for Suwanee/Gwinnett County in this dataset -- a real, disclosed county-to-county difference worth factoring into a relocation comparison between the two.
Key takeaways
- The City of Dunwoody's own municipal millage rate is proposed to remain at 3.040 mills for 2026 (effectively 2.040 for homesteaded property, thanks to a standing 1-mill charter reduction), with a charter-based assessment freeze protecting homestead owners from a city tax bill increase despite county reassessment growth.
- DeKalb County's effective property tax rate is cited across a genuine 0.95%-1.22% range depending on source; total combined millage (city+county+school) for Dunwoody runs roughly 36-39 mills.
- Georgia's flat state income tax is 4.99% as of 2026 -- HB 463 (signed May 2026) accelerated an original HB 111 schedule that would not have reached 4.99% until 2028. No state estate or inheritance tax.
- Dunwoody's combined 2026 sales tax rate is 8% (4.0% state + 3.0% DeKalb County + 1% additional), a full 2 percentage points above Suwanee/Gwinnett County's 6% combined rate in this dataset.
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