Santa Clara County, California Sales Tax Rate 2025

Santa Clara, located in the center of Silicon Valley, has sales tax rates ranging from 9.125% to 9.875%.

The sales tax rate in Santa Clara includes the California state tax and the specific combined local sales tax rates. Certain jurisdictions levy special district taxes. The table below provides a breakdown of the sales tax rate by jurisdiction.

California	6.00%
Santa Clara	0.25%
City + District Rates Range	2.875% – 3.625%
Combined Sales Tax Rates Range	9.125% – 9.875%

Santa Clara County Sales Tax Calculator

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The TaxHero sales tax calculator provides a combined sales tax rate based on a full address lookup. A complete address ensures precision since ZIP codes may cross different tax jurisdictions. Results are for reference and may need additional context for compliance. Contact us today for a demo and learn how TaxHero can support your business.

Who Needs To Collect Sales Tax in Santa Clara County, California?+

Businesses are required to collect sales tax in Santa Clara if they have a sales tax nexus in California and sell to residents of Santa Clara.

Physical Nexus: This occurs when a business has a tangible presence in the state. Examples include having a store, warehouse, office, or employees in California if your business operates any of these within the state, you have a physical nexus and must collect sales tax from customers in Santa Clara.

Economic Nexus: This is based on the volume of sales or number of transactions a business conducts in the state. For instance, if your business exceeds a certain threshold of sales or transactions in California which is often defined as a specific dollar amount or number of transactions, you establish economic nexus. This means even if you don’t have a physical presence in the state, you are still required to collect sales tax from customers in Santa Clara.