How much California state tax do I owe?
John Thompson
Published Feb 14, 2026
California state tax rates and tax brackets
| Tax rate | Taxable income bracket | Tax owed |
|---|---|---|
| 1% | $0 to $8,932 | 1% of taxable income |
| 2% | $8,933 to $21,175 | $89.32 plus 2% of the amount over $8,932 |
| 4% | $21,176 to $33,421 | $334.18 plus 4% of the amount over $21,175 |
| 6% | $33,422 to $46,394 | $824.02 plus 6% of the amount over $33,421 |
What is the penalty for underpayment of California state taxes?
5 percent
The California Franchise Tax Board imposes a penalty if you do not pay the total amount due shown on your tax return by the original due date. The penalty is 5 percent of the unpaid tax (underpayment), plus 0.5 percent of the unpaid tax for each month or part of a month it remains unpaid (monthly).
What is the current interest rate on unpaid California taxes 2020?
Current rates
| 3% | Personal income tax under- and overpayments |
|---|---|
| 3% | Corporation underpayment |
| 3% | Estimate penalties |
| 0% | Corporation overpayments |
How to pay taxes owed to the state of California?
Make it payable to the Franchise Tax Board. If paying personal taxes, write your Social Security number and tax year you are paying for on the payment. If paying for business taxes write your tax account number and the year for which you are paying on the check or money order.
How to calculate your estimated tax liability in California?
Their tax liability was: Use the California Estimated Tax Worksheet in the Instructions for Form 540-ES to calculate your estimated tax. Recalculating your estimated tax for each payment may increase accuracy. Your tax payments are due in 4 payments. California differs from federal. To avoid a penalty, you must pay on or before the below dates.
How to calculate estimated California income tax for 2020?
You must pay your estimated tax based on 90% of your tax for 2020. Mr. and Mrs. Grant’s 2020 joint AGI was $1,250,000. Their tax liability was: Use the California Estimated Tax Worksheet in the Instructions for Form 540-ES to calculate your estimated tax. Recalculating your estimated tax for each payment may increase accuracy.
How to pay estimated tax online in California?
How to pay Online To make your payment online. Visit our payment options. Mail Franchise Tax Board PO Box 942867 Sacramento CA 94267-0008. Use Estimated Tax for Individuals (Form 540-ES) vouchers to pay your estimated tax by mail; Make your check or money order payable to the “Franchise Tax Board” Write your SSN or ITIN and “2020 Form 540 …
