FTB payments go directly to California's tax authority, and the method you choose affects when your payment clears and whether you owe penalties

The Franchise Tax Board (FTB) is California's state tax agency. If you owe California income tax, you send payment to them — not to a county office or a third party. The FTB accepts payments through several channels: online through their website, by mail, by phone, or through an authorized payment processor. Each method has different processing times and fees, and choosing the wrong one can cost you money in late penalties even if you send the check on time.

The key rule is that the FTB dates your payment from when they receive it, not when you send it. A check mailed on April 14 that arrives April 16 is late, even though you acted before the deadline. Knowing this matters because it changes which payment method makes sense for your situation.

Key Takeaways

  • The FTB accepts online payments, mail, phone, and third-party processors, but each has different fees and processing times.
  • Payment is dated when the FTB receives it, not when you send it, so mailing a check close to the deadline carries real risk.
  • The FTB website (ftb.ca.gov) is the official source for current payment methods and any temporary changes to how they accept money.
  • If you cannot pay in full by the deadline, you can request a payment plan or ask for more time, but penalties and interest begin accruing immediately.

Paying online through the FTB website

The FTB's official website allows you to pay directly using a bank account or debit card. This is the fastest and most direct route. You log in, enter your Social Security number or ITIN, and authorize the payment. The FTB processes online payments the same business day or the next day, depending on when you submit.

There is no fee to pay by bank account transfer. If you use a debit or credit card, the FTB charges a processing fee — the amount varies and is shown before you confirm. Check the current fee on ftb.ca.gov before you start, because it changes. Online payment is safest for deadlines because you have a confirmation number immediately and can prove the date you submitted.

Mailing a check or money order

You can mail a check or money order to the FTB, but the timing is risky. The FTB has a mailing address on their website and on your tax notice. Mail typically takes three to seven business days, depending on where you are sending from and where it goes. If your check arrives after the deadline, you owe a late penalty even though you mailed it on time.

Include your Social Security number or ITIN on the check and write "California Income Tax" on the memo line. Keep a copy of the front and back of the check for your records. If you must mail a payment close to a deadline, consider paying online instead — the small fee is cheaper than a late penalty.

Paying by phone

The FTB accepts phone payments through an automated system. You call their payment line, provide your tax information and bank account details, and authorize the payment. The phone number is on your tax notice and on ftb.ca.gov. Phone payments are processed the same day or the next business day.

There is typically no fee for phone payments made by bank account. Like online payments, you receive a confirmation number immediately. Phone payment is useful if you are close to a deadline and do not want to mail a check, but you need to have your bank account information ready and be prepared to complete the call in one session.

Third-party payment processors

The FTB authorizes certain payment processors to accept California tax payments on their behalf. These are private companies that charge a fee to process your payment and forward it to the FTB. Common processors include PayUSA and other authorized vendors listed on ftb.ca.gov. You can search for them by name or find them through the FTB's official payment page.

Third-party processors are useful if you want to pay by credit card or if you prefer a specific payment method, but they charge higher fees than paying the FTB directly. The fee is usually a percentage of your payment or a flat amount, shown before you confirm. The processor sends your payment to the FTB, but the date you submit to the processor is not the same as the date the FTB receives it — processing typically takes one to three business days. For deadlines, this delay matters.

What happens if you cannot pay by the deadline

If you owe tax and cannot pay by the deadline, you have options. You can request an installment agreement (a payment plan) through the FTB. You can also request an extension of time to pay, though this does not stop penalties and interest from accruing. Both requests must be made before or on the deadline — waiting until after makes the penalties larger.

Penalties begin accruing the day after the deadline, even if you have a payment plan in place. Interest also accrues daily on any unpaid balance. The longer you wait to pay, the more you owe in total. If you think you will owe but are not sure of the exact amount, you can pay what you estimate and file an amended return later if needed.

Confirming your payment was received

After you pay, keep your confirmation number or receipt. If you paid online or by phone, you receive this immediately. If you mailed a check, keep a copy of the cancelled check once your bank returns it. The FTB's website allows you to check your account balance and payment history — you can log in and see whether your payment has posted.

If you do not see your payment reflected within two weeks of submitting it, contact the FTB directly. Have your confirmation number or check number ready. Processing delays do happen, and the FTB can tell you whether your payment is in their system or if there was an error.

Frequently Asked Questions

What if I pay online but the FTB's website goes down right before the deadline?

If the FTB's official website is down due to a technical issue, the deadline may be extended for that day. Check ftb.ca.gov or call their phone line to confirm whether an extension has been announced. Do not assume an extension exists — contact them first. If you cannot reach them, paying by phone or mail before midnight is safer than waiting.

Can I pay my FTB bill using a credit card directly?

The FTB does not accept credit cards directly on their website. You can use a credit card through an authorized third-party processor, but they charge a fee for this service. Paying by bank account (online or by phone) has no fee and is faster.

If I set up a payment plan, do I still owe penalties and interest?

Yes. A payment plan lets you spread payments over time, but penalties and interest continue to accrue on the unpaid balance until it is paid in full. The longer your plan, the more interest you pay. Paying as much as you can upfront reduces the total amount owed.

What if my check gets lost in the mail?

If you mailed a check and it does not appear in your FTB account after three weeks, contact the FTB with your check number and amount. They can search their records. If the check was never received, you may owe a late penalty for the original deadline, though the FTB may waive it if you can prove you mailed it on time. This is why online or phone payment is safer for deadlines.

Can I pay someone else's FTB bill if I have power of attorney?

Yes, but you must have a valid power of attorney document on file with the FTB or present it when you pay. Call the FTB or check their website for instructions on how to register a power of attorney. Without this, the FTB will not accept payment from anyone but the person whose name is on the bill.