California sales tax calculator
Get accurate California sales tax calculations in seconds. Our free calculator handles both state and local rates, giving you the exact figures you need for invoices, quotes, and pricing decisions – no downloads or sign-ups required.
- Instantly find the correct sales tax for any transaction
- Account for both state and local tax rates in your calculations
- Validate tax on supplier bills for accurate expense tracking
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California sales tax rates
California's total sales tax rate varies significantly across the state, as cities, counties, and special districts add their own taxes on top of the statewide rate.
- State Sales Tax Rate: 7.25%
- Average Local Tax Rate: 1.73%
- Maximum Local Tax Rate: 5.25%
- Average Combined Rate: 8.98%
Important note:
California's base state rate is 7.25%, but cities and counties can add local taxes. Your actual rate depends on your specific location.

How to register for sales tax in California
Follow these steps to register for your California seller's permit online through the official CDTFA portal. The process is free. CDTFA Online Registration Portal.
Gather your business & personal Info
You will need your business identification, personal details and projected sales figures.
Complete the online application
Visit the California Department of Tax and Fee Administration (CDTFA) online portal. Fill out the application.
Submit and receive your permit
Submit your completed application online. The CDTFA will notify you of your status via email.
California sales tax filing due dates
Filling frequency depends on your sales volume:
- Monthly: Due the last day of the following month
- Quarterly: Due April 30, July 31, October 31, January 31
- Quarterly with Prepayments: Prepayments due monthly, returns due quarterly

Simplify California sales tax with Xero
Calculating the right rate is just the beginning. Xero automatically applies accurate California sales tax to every invoice, adjusting for different locations and tax rules. Generate reports with one click. Track sales, maintain audit-proof records, and never miss a deadline with reminders.
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FAQs about California sales tax
Most groceries, prescription medications, and certain medical devices are exempt. Check the CDTFA website for a complete list of exemptions.
Most groceries, prescription medications, and certain medical devices are exempt. Check the CDTFA website for a complete list of exemptions.
Yes, if you have nexus in California (physical presence or exceed $500,000 in annual California sales), you must collect sales tax on online sales.
Yes, if you have nexus in California (physical presence or exceed $500,000 in annual California sales), you must collect sales tax on online sales.
Filing frequency depends on your sales volume – most small businesses file quarterly, while larger businesses file monthly.
Filing frequency depends on your sales volume – most small businesses file quarterly, while larger businesses file monthly.
Penalties start at 10% of the tax due plus interest, with additional penalties for continued non-compliance.
Penalties start at 10% of the tax due plus interest, with additional penalties for continued non-compliance.
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Disclaimer
Xero does not provide accounting, tax, business or legal advice. This calculator has been provided for information purposes only. You should consult your own professional advisors for advice directly relating to your business.