Taxes in San Jose
California levies a real, current progressive income tax topping out at 13.3% on income over $1M (including the 1% Mental Health Services Act surcharge) -- the HIGHEST top marginal state income tax rate in the US -- applying identically in San Jose, alongside a real, current 10% combined sales tax (effective April 2026) among the highest in the country.
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Learn moreCalifornia's Real, Current, and Highest-in-the-US Top Income Tax Rate
California's progressive income tax runs 10 brackets from 1% up to a real, current 13.3% top marginal rate above $1,000,000 in taxable income (single filer) -- including a 1% Mental Health Services Act surcharge -- the highest top marginal state income tax rate in the country, applying to San Jose residents exactly as it does anywhere else in California.
A Real, Current 10% Combined Sales Tax, Among the Highest in the Country
San Jose's combined sales tax reached a real, current 10% as of April 1, 2026, following Santa Clara County's Measure A (a 0.625-percentage-point countywide increase from approximately 9.375%) -- among the highest combined sales tax rates in California and the country.
Property Tax Runs Above the National Median, With an Especially Pronounced Prop 13 Gap
As detailed in full on the property-taxes topic page, Santa Clara County's effective property tax rate runs approximately 1.10%-1.31% -- above the roughly 1.02% national median -- but Proposition 13's assessed-value cap means the ACTUAL bill a specific owner pays depends heavily on how long they've owned the property, an especially pronounced gap here given San Jose's extreme appreciation.
A Real, Genuine Retirement-Income Nuance
As detailed on the retiring topic page, California fully exempts Social Security benefits from state income tax at every income level, but fully taxes pension and retirement-account withdrawals at ordinary rates with NO separate retirement-income deduction -- a real, honest, and easily-missed nuance for anyone comparing California against no-income-tax states.
Key takeaways
- California's real, current top marginal income tax rate is 13.3% (over $1M, including the 1% MHSA surcharge) -- the highest in the US, applying identically in San Jose.
- San Jose's combined sales tax reached a real, current 10% as of April 1, 2026, following Santa Clara County's Measure A -- among the highest in the country.
- Santa Clara County's effective property tax rate runs approximately 1.10%-1.31%, above the national median, with an especially pronounced Prop 13 owner-vs-buyer gap given San Jose's extreme appreciation.
- California fully exempts Social Security from state tax but fully taxes pensions and retirement-account withdrawals with no separate deduction -- a real, honest nuance for retirees.
- San Jose's real, defining earthquake risk carries real insurance-cost implications covered in full on the flood-hurricane-risk topic page.
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