What is the sales tax rate in La Mesa, California?

The combined sales tax rate in La Mesa, California is 9.900% as of 2026. This includes the California state rate of 7.300% plus local jurisdiction taxes.

How is the La Mesa sales tax calculated?

Multiply your purchase amount by 9.900% (or 0.00990) to get the tax owed. For example, a $100 purchase incurs $9.90 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 La Mesa have a county sales tax?

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

When was the La Mesa sales tax rate last updated?

The La Mesa 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

La Mesa, CA Sales Tax Rate 2026

The combined sales tax rate in La Mesa, California is 9.900%.

Combined Rate 9.900%

State7.300% County0.300% City0.900%

La Mesa Sales Tax Breakdown

Jurisdiction	Rate
California State Sales Tax	7.300%
County Sales Tax	0.300%
City / Municipal Tax	0.900%
Special District Tax	1.500%
Total Combined Rate	9.900%

Which County Is La Mesa In?

La Mesa falls within San Diego, California. San Diego imposes a 0.300% county-level sales tax in addition to the California state base rate.

La Mesa ZIP Codes

The following ZIP codes are mapped to La Mesa for sales tax purposes. All listed codes apply the 9.900% combined rate.

91941 91942

Nearby Tax Rates

Combined Rate

Combined Rate

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: La Mesa Sales Tax

The combined sales tax rate in La Mesa, California is 9.900% as of 2026.

Multiply your purchase price by 9.900% to find the tax owed. A $500 purchase would include $49.50 in sales tax.

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

Vehicle purchases in La Mesa are subject to the 9.900% 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 9.900% rate for La Mesa, CA

Purchase Amount ($)

Tax Amount $0.00

Total with Tax $100.00

Rate applied: 9.900% 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