What is the sales tax rate in San Ramon, California?

The combined sales tax rate in San Ramon, California is 11.300% as of 2026. This includes the California state rate of 7.300% plus local jurisdiction taxes.

How is the San Ramon sales tax calculated?

Multiply your purchase amount by 11.300% (or 0.01130) to get the tax owed. For example, a $100 purchase incurs $11.30 in sales tax.

What is the California state sales tax rate?

The base California state sales tax rate is 7.300%. Local jurisdictions may add additional taxes on top of this rate.

Does San Ramon have a county sales tax?

San Ramon imposes an additional county-level sales tax of 0.300% on top of the state rate.

When was the San Ramon sales tax rate last updated?

The San Ramon 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

San Ramon, CA Sales Tax Rate 2026

The combined sales tax rate in San Ramon, California is 11.300%.

Combined Rate 11.300%

State7.300% County0.300% City0.500%

San Ramon Sales Tax Breakdown

Jurisdiction	Rate
California State Sales Tax	7.300%
County Sales Tax	0.300%
City / Municipal Tax	0.500%
Special District Tax	3.300%
Total Combined Rate	11.300%

Which County Is San Ramon In?

San Ramon falls within Contra Costa, California. Contra Costa imposes a 0.300% county-level sales tax in addition to the California state base rate.

San Ramon ZIP Codes

The following ZIP codes are mapped to San Ramon for sales tax purposes. All listed codes apply the 11.300% combined rate.

94582 94583

Nearby Tax Rates

Dublin 3.9 mi

11.600%

Combined Rate

View Local Rates

Business Nexus in California

Economic Nexus Threshold

Selling into California from out of state? Once you exceed $500,000 in annual sales or 0 transactions, you must register and collect California sales tax.

FAQ: San Ramon Sales Tax

The combined sales tax rate in San Ramon, California is 11.300% as of 2026.

Multiply your purchase price by 11.300% to find the tax owed. A $500 purchase would include $56.50 in sales tax.

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

Vehicle purchases in San Ramon are subject to the 11.300% combined rate, though some states apply different rules for vehicle sales. Verify with the California Department of Revenue or DMV.

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

Sales Tax Calculator

Using 11.300% rate for San Ramon, CA

Purchase Amount ($)

Tax Amount $0.00

Total with Tax $100.00

Rate applied: 11.300% combined

Official Tax Authority

California Department of Tax and Fee Administration

Filing Deadline: Returns due the last day of the month following the reporting period. File via CDTFA Online Services.

Visit Official Portal (800) 400-7115