Los Altos, California sales tax rate: 9.75%
Last updated Checked monthly
The sales tax rate in Los Altos, California is 9.75%. That’s the 7.25% statewide rate plus 2.5% in local taxes. It’s higher than 213 of the 310 California cities we checked, and 14 other cities pay the same.
Calculated by the 
Sales Tax APIThe same engine Zamp customers use.Los Altos combined rate
9.75%
- California state
- 6.25%
- Santa Clara CountyCounty
- 1%
- Santa Clara CountySpecial district
- 2.5%
Los Altos sales tax calculator
Enter a price and what you’re selling.
- CaliforniaState · 6.25%$6.25
- Santa Clara CountyCounty · 1%$1.00
- Santa Clara CountySpecial district · 2.5%$2.50
Charging this at checkout? Zamp calculates it on every order and files the returns.
Book a demoLos Altos sales tax rate breakdown
State, county and special district taxes add up to 9.75%. District lines don’t follow city limits, so some Los Altos addresses pay a different rate.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of California | State | 6.25% |
| Santa Clara County | County | 1% |
| Santa Clara County | Special district | 2.5% |
| Combined rate | 9.75% |
Rate history
- July 20239.125%
- July 20249.125%
- July 20259.125%
- July 20269.75%
- Today9.75%
Changed since July 2023.
Sales tax near Los Altos
Closest cities
- Mountain View2 mi9.75%
- Palo Alto3 mi9.75%
- Sunnyvale4 mi9.75%
- Santa Clara7 mi9.75%
- Campbell10 mi10.5%
- Newark10 mi10.75%
- Monte Sereno11 mi9.875%
- Redwood City12 mi9.875%
Elsewhere in Santa Clara County
- San Jose10%
- Sunnyvale9.75%
- Santa Clara9.75%
- Mountain View9.75%
- Milpitas10%
- Palo Alto9.75%
- Morgan Hill9.75%
- Campbell10.5%
- Los Gatos9.875%
- Monte Sereno9.875%
Charge the right rate in Los Altos, 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.
Los Altos 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 Los Altos, California?
The combined sales tax rate in Los Altos is 9.75% as of November 2, 2026. It’s made up of 6.25% California state tax, 1% Santa Clara County, 2.5% Santa Clara County.
Why does Los Altos pay Santa Clara County tax?
A special district such as Santa Clara County levies its 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 Los Altos’s 94023 ZIP code; the calculator prices any exact address.
Is SaaS taxable in Los Altos?
No.
Do online sellers have to collect sales tax in Los Altos?
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 Los Altos’s 94023 ZIP code. Rates are checked monthly and are for information, not tax advice.
Sales tax, off your plate.
Zamp registers you, calculates every order at the customer’s address, files every California return and handles notices, with a sales tax team you can call.
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