What is the sales tax rate in Simi Valley, California?

The combined sales tax rate in Simi Valley, California is 8.600% as of 2026. This includes the California state rate of 7.300% plus local jurisdiction taxes.

How is the Simi Valley sales tax calculated?

Multiply your purchase amount by 8.600% (or 0.00860) to get the tax owed. For example, a $100 purchase incurs $8.60 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 Simi Valley have a county sales tax?

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

When was the Simi Valley sales tax rate last updated?

The Simi Valley 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

Simi Valley, CA Sales Tax Rate 2026

The combined sales tax rate in Simi Valley, California is 8.600%.

Combined Rate 8.600%

State7.300% County0.300%

Simi Valley Sales Tax Breakdown

Jurisdiction	Rate
California State Sales Tax	7.300%
County Sales Tax	0.300%
Special District Tax	1.000%
Total Combined Rate	8.600%

Which County Is Simi Valley In?

Simi Valley falls within Ventura, California. Ventura imposes a 0.300% county-level sales tax in addition to the California state base rate.

Simi Valley ZIP Codes

The following ZIP codes are mapped to Simi Valley for sales tax purposes. All listed codes apply the 8.600% combined rate.

93063 93065

Nearby Tax Rates

Oak Park 5.7 mi

8.600%

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: Simi Valley Sales Tax

The combined sales tax rate in Simi Valley, California is 8.600% as of 2026.

Multiply your purchase price by 8.600% to find the tax owed. A $500 purchase would include $43.00 in sales tax.

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

Vehicle purchases in Simi Valley are subject to the 8.600% 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 8.600% rate for Simi Valley, CA

Purchase Amount ($)

Tax Amount $0.00

Total with Tax $100.00

Rate applied: 8.600% 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