Combined sales tax rate
6%
City of Marietta (Cobb County)
What makes up the rate
- State4%
- County2%
Sales tax calculator
Tax $6.00 · Total $106.00
Good to know
- Jurisdiction code 033 Cobb: 6% = state 4% + Cobb ESPLOST 1% + SPLOST 1% (no LOST, no MARTA). 'effective' = start date of the cited quarterly rate chart.
- Georgia exempts groceries (food for home consumption) from the 4% state portion; local taxes can still apply to them.
Marietta vs nearby cities
- Marietta6%
- Sandy Springs7.75%
- Roswell7.75%
- Alpharetta7.75%
- Johns Creek7.75%
Other Local City Network guides in the same state, nearest first.
Questions
What is the sales tax rate in Marietta?
6% for most purchases, effective October 1, 2026, per the Georgia Department of Revenue - Sales and Use Tax Rate Chart effective October 1, 2026 (LATP Rate Report - General 10-01-26).
What makes up the Marietta sales tax?
State 4%, County 2%.
How much tax is on a $100 purchase in Marietta?
$6.00 on a $100 purchase, for a total of $106.00.
Where does this rate come from?
Georgia Department of Revenue - Sales and Use Tax Rate Chart effective October 1, 2026 (LATP Rate Report - General 10-01-26). Rates can differ at some addresses (special districts) and for some items; check the official source for a specific address.
Source: Georgia Department of Revenue - Sales and Use Tax Rate Chart effective October 1, 2026 (LATP Rate Report - General 10-01-26), effective October 1, 2026; checked 2026-11-07. Not tax advice.