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Live Data: April 2026

Marietta, GA Sales Tax Rate 2026

The combined sales tax rate in Marietta, Georgia is 6.000%.

Combined Rate 6.000%
State4.000% County2.000%

Marietta Sales Tax Breakdown

Jurisdiction Rate
Georgia State Sales Tax 4.000%
County Sales Tax 2.000%
Total Combined Rate 6.000%

Which County Is Marietta In?

Marietta falls within Cobb, Georgia. Cobb imposes a 2.000% county-level sales tax in addition to the Georgia state base rate.

Marietta ZIP Codes

The following ZIP codes are mapped to Marietta for sales tax purposes. All listed codes apply the 6.000% combined rate.

30008 30060 30062 30064 30066 30067 30068 30090

Business Nexus in Georgia

Economic Nexus Threshold

Selling into Georgia from out of state? Once you exceed $100,000 in annual sales or 200 transactions, you must register and collect Georgia sales tax.

FAQ: Marietta Sales Tax

The combined sales tax rate in Marietta, Georgia is 6.000% as of 2026.
Multiply your purchase price by 6.000% to find the tax owed. A $500 purchase would include $30.00 in sales tax.
Groceries are generally taxable in Georgia. Check the official Department of Revenue for specific exemptions.
Vehicle purchases in Marietta are subject to the 6.000% combined rate, though some states apply different rules for vehicle sales. Verify with the Georgia Department of Revenue or DMV.
Register for a sales tax permit through the official Georgia Department of Revenue website. Registration is typically free and required before collecting any sales tax.

Sales Tax Calculator

Using 6.000% rate for Marietta, GA

$
Tax Amount $0.00
Total with Tax $100.00

Rate applied: 6.000% combined

Official Tax Authority

Georgia Department of Revenue

Filing Deadline: Monthly returns due the 20th of the following month. File via the Georgia Tax Center (GTC).

Visit Official Portal (877) 423-6711