What is the sales tax in Costa Mesa city? - The sales tax in Costa Mesa city of California is 7.75% as of 2025. Use the Costa Mesa sales tax calculator to calculate the sales tax for any purchase in Costa Mesa.
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Below is a list of the state sales tax, city sales tax, and county tax rate for Costa Mesa.
| County | State | City | Zip Code | State Tax | City Tax | County Tax | Total Tax |
|---|---|---|---|---|---|---|---|
| Orange | California | Costa Mesa | 92627 | 6% | 0% | 0.25% | 7.75% |