La Mesa, California sales tax rate: 8.5%
Last updated Checked monthly
The sales tax rate in La Mesa, California is 8.5%. That’s the 7.25% statewide rate plus 1.25% in local taxes. It’s higher than 100 of the 310 California cities we checked, and 2 other cities pay the same.
Calculated by the 
Sales Tax APIThe same engine Zamp customers use.La Mesa combined rate
8.5%
- California state
- 6.25%
- San Diego CountyCounty
- 1%
- San Diego CountySpecial district
- 0.5%
- La Mesa City (San Diego County)Special district
- 0.75%
La Mesa sales tax calculator
Enter a price and what you’re selling.
- CaliforniaState · 6.25%$6.25
- San Diego CountyCounty · 1%$1.00
- San Diego CountySpecial district · 0.5%$0.50
- La Mesa City (San Diego County)Special district · 0.75%$0.75
Charging this at checkout? Zamp calculates it on every order and files the returns.
Book a demoLa Mesa sales tax rate breakdown
State, county and special district taxes add up to 8.5%. District lines don’t follow city limits, so some La Mesa addresses pay a different rate.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of California | State | 6.25% |
| San Diego County | County | 1% |
| San Diego County | Special district | 0.5% |
| La Mesa City (San Diego County) | Special district | 0.75% |
| Combined rate | 8.5% |
Rate history
- July 20238.5%
- July 20248.5%
- July 20258.5%
- July 20268.5%
- Today8.5%
No change since July 2023.
Sales tax near La Mesa
Closest cities
- Lemon Grove3 mi8.75%
- El Cajon4 mi8.25%
- Santee6 mi7.75%
- San Diego7 mi7.75%
- Chula Vista10 mi8.75%
- Imperial Beach15 mi8.75%
- Poway15 mi7.75%
- Solana Beach21 mi8.75%
Elsewhere in San Diego County
- San Diego7.75%
- Chula Vista8.75%
- Oceanside8.25%
- Escondido8.75%
- Carlsbad7.75%
- El Cajon8.25%
- Vista8.25%
- San Marcos8.75%
- Encinitas7.75%
- Santee7.75%
- Poway7.75%
- Lemon Grove8.75%
Charge the right rate in La Mesa, on every order.
Zamp calculates tax at each customer’s address, special districts included, then files and pays every California return for you, with a sales tax team you can call.
La Mesa sales tax questions.
Still have questions? Call us at 1-866-438-9267 or email us at support@zamp.com.
What is the sales tax rate in La Mesa, California?
The combined sales tax rate in La Mesa is 8.5% as of November 2, 2026. It’s made up of 6.25% California state tax, 1% San Diego County, 0.5% San Diego County, 0.75% La Mesa City (San Diego County).
Why does La Mesa pay San Diego County and La Mesa City (San Diego County) tax?
Special districts such as San Diego County and La Mesa City (San Diego County) levy their own sales tax on top of the state, county rates. District lines don’t always follow city limits, so an address a few streets away can have a different rate. This rate was calculated for La Mesa’s 91943 ZIP code; the calculator prices any exact address.
Is SaaS taxable in La Mesa?
No.
Do online sellers have to collect sales tax in La Mesa?
Yes, if they have nexus in California: more than $500,000 in California sales in the previous or current calendar year, or a physical presence in the state. They register with the California Department of Tax and Fee Administration (CDTFA) and charge the rate at the buyer’s address.
Sources. California Department of Tax and Fee Administration (CDTFA) · Zamp Sales Tax API, for La Mesa’s 91943 ZIP code. Rates are checked monthly and are for information, not tax advice.
Sales tax, off your plate.
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