City rate guide · Reviewed August 11, 2026
Atherton, California Sales Tax Rate
The combined sales tax rate in Atherton, California is 9.375% as of 2026. That includes the California state rate of 7.25%.
Located in San Mateo County.
Sales tax calculator for Atherton
- Sales tax (9.375%)
- $9.38
- Total with tax
- $109.38
How this rate is composed
The California state sales tax rate is 7.25%. The combined 9.375% rate for Atherton comes from CDTFA city and county tax rates (TAC table) (2026-07-01 to 2026-09-30).
Literal combined rate for the jurisdiction from the CDTFA tax-area rate table (statewide base 7.25% plus district taxes).
Where multiple tax areas exist for a jurisdiction, the highest combined rate is shown.
Rates change on official schedules — confirm the current rate and effective date against the source above before filing.
Related local sales tax rates in California
Compare the county and same-type jurisdictions with the closest combined rates.
Atherton sales tax questions
What is the sales tax rate in Atherton, California?
The combined sales tax rate is 9.375%. It includes the California state rate of 7.25% and applicable local rates.
How much sales tax is charged on a $100 purchase in Atherton?
At the 9.375% combined rate, a $100 taxable purchase produces $9.38 in sales tax.
When was the Atherton sales tax rate reviewed?
Prophit.ai reviewed this guide on 2026-08-11 using CDTFA city and county tax rates (TAC table). Confirm the official source before filing because rates can change.
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