California income tax payments go to the Franchise Tax Board, not the IRS, and you can pay online, by mail, or through an automatic withdrawal from your bank account.

California has its own state income tax separate from federal tax. The Franchise Tax Board (FTB) is the state agency that collects it. You owe California tax on income you earned in the state, regardless of where you live now. Payment methods, deadlines, and penalties are all managed by the FTB, not by the federal government.

Most people pay through their employer's payroll withholding, which means tax is taken from each paycheck automatically. If you're self-employed, retired, or have income that isn't subject to withholding, you'll need to pay directly to the FTB. The deadline for most payments is the same as the federal deadline: April 15 of the following year, though this can shift if April 15 falls on a weekend or holiday.

Key Takeaways

  • California income tax is collected by the Franchise Tax Board, and you can pay online through their website, by mail with a check, or through automatic bank withdrawal.
  • If you're self-employed or have income without withholding, you may owe estimated tax payments four times per year, with the first payment due April 15.
  • Paying late triggers a penalty of 5% of the unpaid amount, plus interest that accrues daily, so paying even a few days late costs money.
  • You can set up a payment plan with the FTB if you cannot pay the full amount by the deadline, though interest and penalties continue to accrue.

Paying online through the Franchise Tax Board website

The fastest and most direct way to pay is through the FTB's online payment system at onlineservices.ftb.ca.gov. You'll need your Social Security number or Individual Taxpayer Identification Number, your filing status, and the amount you want to pay. The system accepts payments immediately and gives you a confirmation number on screen.

Online payment is free if you pay directly from your bank account using the FTB's system. If you use a third-party payment processor (a company that acts as a middleman), they charge a fee, usually between 1% and 2% of the amount you're paying. The FTB's website lists approved processors and their fees upfront, so you can see the cost before you commit.

Online payments typically post to your account within one business day. If you're paying close to the deadline, pay several days early to account for processing time. Payments received after midnight on the deadline date are considered late, even if you initiated them before midnight.

Mailing a check or money order

You can mail a check or money order to the FTB, but the postmark date matters. The FTB considers a payment on time if it's postmarked by the deadline date, even if it arrives days or weeks later. Write your Social Security number and the tax year on the check itself, not just on the envelope.

The mailing address depends on whether you're paying with a return or paying an amount you owe separately. The FTB's website lists the correct address for your situation. Mailing typically takes 5 to 10 business days, so send your payment at least two weeks before the deadline to be safe.

Keep a copy of the check or a photo of the front and back after you mail it. If the FTB doesn't receive it, you'll have proof of when you sent it. The FTB can take weeks to process mailed payments, so don't assume silence means it arrived safely—check your account online after two weeks.

Setting up automatic withdrawal from your bank account

You can authorize the FTB to withdraw money directly from your checking or savings account on a date you choose. This is called an electronic funds withdrawal (EFW). You set it up through the FTB's online payment system and choose the withdrawal date. The withdrawal is free and happens automatically on the date you select.

The withdrawal date must be on or before the tax deadline. If you schedule it for the deadline itself, the FTB processes it that day, so the money leaves your account by end of business. This method works well if you want to pay at the last moment but don't want to worry about mailing or online processing delays.

You can also set up recurring withdrawals if you owe estimated tax payments throughout the year. This is useful if you're self-employed or have other income without withholding. The FTB will withdraw the amount you specify on the dates you choose, typically April 15, June 15, September 15, and January 15 of the following year.

Estimated tax payments if you're self-employed or have unwithheld income

If you don't have an employer taking tax out of your paycheck, you may owe estimated tax payments four times per year. This includes self-employed people, freelancers, investors, and retirees taking distributions. The FTB calculates the amount based on your expected income for the year, and you pay it in four installments.

The due dates are April 15, June 15, September 15, and January 15 of the following year. You can pay each installment through the same methods as a regular tax payment: online, by mail, or by automatic withdrawal. If you underpay estimated tax, you owe a penalty even if you end up paying the correct total amount when you file your return.

You can adjust your estimated payments if your income changes during the year. If you expect to earn less than you initially thought, you can reduce the next payment. If you expect to earn more, you can increase it. The FTB's website has a worksheet to help you calculate the correct amount.

What happens if you pay late

A payment is late if it's received after the deadline date, even by one day. The FTB charges a failure-to-pay penalty of 5% of the unpaid amount for each month or part of a month the payment is late. Interest also accrues daily on the unpaid balance at a rate set by the state, which changes quarterly. Both the penalty and interest are added to what you owe.

If you pay 60 days late, the penalty increases to 10% of the unpaid amount. The interest continues to accrue on top of that. For example, if you owe $1,000 and pay 30 days late, you'll owe the $1,000 plus a 5% penalty ($50) plus interest for those 30 days. The longer you wait, the more you owe.

If you cannot pay by the deadline, pay what you can on time and contact the FTB about a payment plan. The penalty and interest still apply to the unpaid balance, but you stop the clock on additional late penalties once you have a plan in place. The FTB can set up monthly payments over several months or years, depending on how much you owe.

Setting up a payment plan with the FTB

If you owe more than you can pay by the deadline, you can request an installment agreement with the FTB. You can do this online through their website, by phone, or by mail. The FTB will work with you to set up monthly payments that fit your budget, though there are limits on how long the plan can last.

The FTB charges a setup fee for installment agreements, which varies depending on how you set it up. Online setup is cheaper than phone or mail. Once you have a plan, you make monthly payments on a date you choose. The plan stops additional failure-to-pay penalties from accruing, but interest continues to accrue on the unpaid balance until it's paid in full.

If you miss a payment on your plan, the FTB can cancel the agreement and pursue collection action. Make sure you can afford the monthly payment before you commit to the plan. If your situation changes and you can't keep up, contact the FTB immediately to modify the plan rather than missing payments.

Frequently Asked Questions

Can I pay California income tax with a credit card?

You cannot pay the FTB directly with a credit card, but third-party payment processors allow it. These processors charge a fee of 1% to 2% of the amount you're paying, which is added to your bill. The FTB's website lists approved processors. Paying with a credit card can be useful if you're earning rewards points, but only if the fee is worth it to you.

What if I move out of California—do I still owe California income tax?

You owe California tax on income you earned while you lived in California, even if you move away. If you move to another state and earn income there, you owe tax to that state instead. If you move to a state with no income tax, you don't owe tax to that state, but you still owe California tax on income earned while you lived there.

How do I know if my payment was received?

Log into your FTB account at onlineservices.ftb.ca.gov and check your payment history. Online and automatic withdrawal payments show up within one business day. Mailed payments can take two to four weeks to appear. If your payment doesn't show up after that time, contact the FTB with your check number or confirmation number.

Can I get a refund if I overpay my California income tax?

Yes. If you pay more than you owe, the FTB will refund the overpayment or apply it to next year's tax bill, depending on what you request. Refunds are typically issued within 30 to 60 days if you file a return. If you paid without filing a return, contact the FTB to request the refund.

What's the difference between a payment and filing a return?

A payment is money you send to the FTB. A return is the form where you report your income and calculate how much tax you owe. You can pay without filing a return, but the FTB won't know if you've paid the correct amount. Most people file a return to show their income and get a refund if they overpaid through withholding or estimated payments.