Ohio Sales Tax Rates: Warren County

Ohio:

Warren County, Ohio Sales Tax Rate 2026 Up to 7.5%

The Warren County Sales Tax is 1%

A county-wide sales tax rate of 1% is applicable to localities in Warren County, in addition to the 5.75% Ohio sales tax.

Some cities and local governments in Warren County collect additional local sales taxes, which can be as high as 0.75%.

Here's how Warren County's maximum sales tax rate of 7.5% compares to other counties around the United States:

Higher maximum sales tax than 73% of Ohio counties
Higher maximum sales tax than 51% of counties nationwide

Last updated June 2026

Tax Rates By City in Warren County, Ohio

The total sales tax rate in any given location can be broken down into state, county, city, and special district rates. Ohio has a 5.75% sales tax and Warren County collects an additional 1%, so the minimum sales tax rate in Warren County is 6.75% (not including any city or special district taxes). This table shows the total sales tax rates for all cities and towns in Warren County, including all local taxes.

City	Sales Tax Rate	Tax Jurisdiction
Mason	6.75%	Warren
Lebanon	6.75%	Warren
Franklin	7.5%	Carlisle
Springboro	7.5%	Springboro
Maineville	6.75%	Mason
Morrow	6.75%	Warren
Waynesville	7.5%	Montgomery
South Lebanon	6.75%	Warren
Pleasant Plain	6.75%	Butlerville
Oregonia	6.75%	Warren
Kings Mills	6.75%	Warren
Harveysburg	6.75%	Harveysburg

Ohio Sales Tax Rates by Zip Code:

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Warren County, Ohio has a maximum sales tax rate of 7.5% and an approximate population of 165,858.

Sales tax rates in Warren County are determined by seven different tax jurisdictions, Butlerville, Carlisle, Harveysburg, Mason, Montgomery, Springboro and Warren.

Back to Ohio Sales Tax Handbook Sales tax rates for Warren County are current as of June 2026