Contact Us

Ontario, California Sales Tax Rate 2025

Ontario is located in San Bernardino County, California. Ontario sales tax rate is 8.75%.
The total sales tax rate in Ontario comprises the California state tax, the sales tax for San Bernardino County, and any applicable special or district taxes. The city also imposes an additional sales tax of 1%. The table below provides a breakdown of the sales tax rate by jurisdiction.
California 6.00%
San Bernardino County 0.25%
Ontario1 1.00%
District / Special Tax 1.50%
Combined Sales Tax Rate 8.75%

Ontario Sales Tax Calculator

0.00%
Sales tax amount = N/A
State 0.00%
County 0.00%
City 0.00%
District(s) 0.00%
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.

Ontario District and Special Tax Rates+

If you make retail sales in California subject to the state sales tax from a business located in a taxing district, district sales tax is generally due on your sales of tangible personal property. To help you identify the correct sales tax rate in Ontario, you may look up the sales tax rate by address and ZIP code in our calculator.

ZIP codes in Ontario, CA+

91710 91743 91758 91761 91762 91764

DISCOVER

Explore More Cities and Counties in California Explore Now

MASTER

Learn all about Sales Tax in California through our Ultimate Guide Learn More

CONNECT

Meet Lahari and learn how TaxHero can support your business Book a Call