What is the sales tax rate in Marietta, Ohio?

The combined sales tax rate in Marietta, Ohio is 7.300% as of 2026. This includes the Ohio state rate of 5.800% plus local jurisdiction taxes.

How is the Marietta sales tax calculated?

Multiply your purchase amount by 7.300% (or 0.00730) to get the tax owed. For example, a $100 purchase incurs $7.30 in sales tax.

What is the Ohio state sales tax rate?

The base Ohio state sales tax rate is 5.800%. Local jurisdictions may add additional taxes on top of this rate.

Does Marietta have a county sales tax?

Marietta imposes an additional county-level sales tax of 1.500% on top of the state rate.

When was the Marietta sales tax rate last updated?

The Marietta sales tax rate was last verified on March 27, 2026. We cross-reference all rates against the official State Department of Revenue data.

Live Data: April 2026

Marietta, OH Sales Tax Rate 2026

The combined sales tax rate in Marietta, Ohio is 7.300%.

Combined Rate 7.300%

State5.800% County1.500%

Marietta Sales Tax Breakdown

Jurisdiction	Rate
Ohio State Sales Tax	5.800%
County Sales Tax	1.500%
Total Combined Rate	7.300%

Which County Is Marietta In?

Marietta falls within Washington, Ohio. Washington imposes a 1.500% county-level sales tax in addition to the Ohio state base rate.

Marietta ZIP Codes

The following ZIP codes are mapped to Marietta for sales tax purposes. All listed codes apply the 7.300% combined rate.

45750

Business Nexus in Ohio

Economic Nexus Threshold

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

FAQ: Marietta Sales Tax

The combined sales tax rate in Marietta, Ohio is 7.300% as of 2026.

Multiply your purchase price by 7.300% to find the tax owed. A $500 purchase would include $36.50 in sales tax.

Groceries are generally taxable in Ohio. Check the official Department of Revenue for specific exemptions.

Vehicle purchases in Marietta are subject to the 7.300% combined rate, though some states apply different rules for vehicle sales. Verify with the Ohio Department of Revenue or DMV.

Register for a sales tax permit through the official Ohio Department of Revenue website. Registration is typically free and required before collecting any sales tax.

Sales Tax Calculator

Using 7.300% rate for Marietta, OH

Purchase Amount ($)

Tax Amount $0.00

Total with Tax $100.00

Rate applied: 7.300% combined

Official Tax Authority

Ohio Department of Taxation

Filing Deadline: Vendor license required. Returns due the 23rd of the month following the collection period. File via Ohio Business Gateway.

Visit Official Portal (800) 282-1780