Cobb County Tax Data & Estimator
Millage rates for Cobb County, Georgia. Check the boxes for districts that apply to your property, enter a property value, and we'll estimate your annual tax.
| Category | Tax District | 2022 Millage | 2023 Millage | Select |
|---|---|---|---|---|
| A — County (Unincorporated) | COUNTY UNINCORPORATED | 8.460 | 8.460 | |
| B — County (Incorporated) | COUNTY INCORPORATED | 8.460 | 8.460 | |
| C — School | IND SCHOOL MARIETTA | 17.970 | 17.970 | |
| SCHOOL | 18.900 | 18.700 | ||
| D — School Bond | COUNTY FIRE DISTRICT | 2.990 | 2.990 | |
| J — State | STATE | 0.000 | 0.000 | |
| K — City | ACWORTH | 8.950 | 8.950 | |
| AUSTELL | 3.250 | 3.250 | ||
| KENNESAW | 9.500 | 9.250 | ||
| LOCKHEED | 0.000 | 0.000 | ||
| MARIETTA | 4.817 | 4.692 | ||
| POWDER SPRINGS | 9.500 | 9.500 | ||
| SMYRNA | 8.990 | 8.990 | ||
| MABLETON | 0.000 | 0.000 | ||
| N — Special District | TAD - ACWORTH #1 LAKESIDE | 0.000 | 0.000 | |
| TAD - MARIETTA #1A CENTER CITY | 0.000 | 0.000 | ||
| TAD - SMYRNA #1 ATL RD CORR | 0.000 | 0.000 | ||
| P — Park / Recreation | CID CUMBERLAND 01 | 5.000 | 5.000 | |
| CID MARIETTA | 5.000 | 5.000 | ||
| CID TOWNCENTER | 5.000 | 5.000 | ||
| S — Sanitation | COUNTY SSD CUMBERLAND 02 | 2.450 | 2.450 | |
| COUNTY SSD SIX FLAGS AREA | 3.500 | 3.500 | ||
| Z — Other | MARIETTA D/T DEV AUTHORITY | 1.647 | 1.453 |
Millage rates are expressed per $1,000 of assessed value. Georgia residential property is assessed at 40% of fair market value. Bold rows = standard county / school / state / city base rates. 2022 rates are shown alongside 2023 for comparison — rates change yearly but are usually not materially different.
Property Tax Estimator
Check the rows above that apply, enter your property value, click Calculate.