How to Pay Your Arizona State Income Tax
Where Arizona tax payments go and how they're processed
Arizona state income tax payments go to the Arizona Department of Revenue. You can pay online through their website, by mail, by phone, or through an authorized payment processor. The state accepts payments year-round, but the deadline for filing your return and paying any balance due is typically April 15 — the same federal deadline — unless you file for an extension.
When you pay online, the money moves through an ACH transfer or credit card processor and lands in the state's account within one to three business days. If you mail a check, the postmark date counts as your payment date, but the state won't process it for several days after it arrives. Paying by phone connects you to a live representative who can take your payment information and confirm the transaction immediately.
The Arizona Department of Revenue tracks all payments against your Social Security number and tax identification number. If you underpay, they'll send you a bill for the difference plus interest. If you overpay, you can request a refund or have the overage applied to next year's tax bill.
Key Takeaways
- Arizona tax payments are made to the Arizona Department of Revenue, and the April 15 deadline applies unless you file for an extension.
- Online payments through the state's website process within one to three business days; mailed checks are dated by postmark but take longer to clear.
- You can pay by phone, online, mail, or through an authorized payment processor — choose based on how quickly you need confirmation.
- Interest accrues on unpaid balances, so paying on time or requesting an extension before the deadline protects you from penalties.
- Overpayments can be refunded or rolled forward to next year's tax bill at your choice.
Online payment through the Arizona Department of Revenue website
The Arizona Department of Revenue operates a payment portal at azdor.gov where you can pay individual income tax, corporate tax, or other state taxes. You'll need your Social Security number or federal employer identification number, your tax year, and the amount you want to pay. The portal accepts electronic bank transfers (ACH) at no fee and credit or debit card payments with a processing fee added by the payment processor.
To pay online, log into the portal, enter your tax information, select your payment method, and review the confirmation screen before submitting. The state will email you a receipt with a confirmation number. Keep this receipt for your records. If you pay by ACH, the funds typically clear within one to three business days. If you pay by card, the transaction posts immediately, but the state may take a few days to match it to your account.
The portal is available 24 hours a day, seven days a week, except during scheduled maintenance windows. If you encounter an error or your payment doesn't post within the expected timeframe, contact the Arizona Department of Revenue directly at the phone number listed on their website.
Mailing a check or money order
You can mail a check or money order to the Arizona Department of Revenue at the address listed on your tax bill or on the state's website. Write your Social Security number or tax ID on the check, and include a copy of your tax return or a note stating the tax year and type of tax you're paying. The postmark date is your official payment date, so mailing before April 15 protects you from late-payment penalties even if the check arrives after that date.
Mail typically takes five to ten business days to reach the state's processing center. Once received, staff will deposit the check and match it to your account. If there's a delay or the check is lost, the postmark date still counts as your payment date, so you won't face penalties. However, you won't receive a receipt until the check clears, which can take two to three weeks.
If you're mailing close to the deadline, consider paying online or by phone instead. The postal service does not may provide delivery by a specific date, and a late arrival could result in penalties and interest even if you mailed on time.
Paying by phone with a representative
You can call the Arizona Department of Revenue and pay your tax bill over the phone using a debit or credit card. A representative will ask for your tax information, the amount you want to pay, and your card details. The transaction is processed immediately, and you'll receive a confirmation number on the call. Write down this number for your records.
Phone payments are useful if you're close to the deadline and want immediate confirmation that your payment was received. The state charges a processing fee for card payments, which varies depending on the processor. Ask the representative for the fee amount before you provide your card information.
The phone line has specific hours of operation, which are listed on the Arizona Department of Revenue website. If you call outside those hours, you can leave a message, but your payment won't be processed until a representative returns your call during business hours.
Third-party payment processors and authorized vendors
The Arizona Department of Revenue authorizes certain payment processors to accept tax payments on their behalf. These vendors appear on the state's website and include services that allow you to pay by bank transfer, credit card, or debit card. Common authorized processors include major payment platforms that specialize in government tax collection.
Using an authorized processor is optional — you can always pay directly through the state's website or by mail. However, some processors offer features like scheduling a payment for a future date or setting up automatic recurring payments if you have a business tax account. Check the processor's terms for any fees they charge beyond the state's standard processing fee.
Before using a third-party processor, confirm it's listed as authorized on the Arizona Department of Revenue website. Scams exist that impersonate state payment sites, so verify the URL and look for security indicators like a padlock icon in your browser.
What happens if you miss the April 15 deadline
If you don't pay by April 15, the Arizona Department of Revenue assesses a failure-to-pay penalty and interest on the unpaid balance. The penalty is typically a percentage of the unpaid tax, and interest accrues daily from the due date until you pay. Both the penalty and interest are added to your bill.
You can reduce or eliminate the penalty if you have a reasonable cause for the late payment — for example, a serious illness, a death in the family, or reliance on incorrect advice from a tax professional. You'll need to explain your situation in writing and provide supporting documentation. The state reviews these requests on a case-by-case basis.
If you can't pay by April 15, file your return on time anyway and pay as much as you can. This shows good faith and may reduce penalties. You can also request a payment plan or an extension before the deadline. An extension gives you more time to file and pay, but interest still accrues on any unpaid balance from April 15 onward.
Setting up a payment plan if you can't pay in full
If you owe more than you can pay by the deadline, the Arizona Department of Revenue offers payment plans that allow you to pay in installments over time. You can request a plan by contacting the department directly or through their website. The state will review your request and propose a monthly payment amount based on what you owe and your ability to pay.
Payment plans typically require a setup fee, and interest continues to accrue on the unpaid balance each month. The faster you pay off the balance, the less interest you'll owe overall. If you miss a payment on your plan, the state may cancel the agreement and demand full payment immediately.
A payment plan does not erase penalties or interest — it only spreads the total amount owed across multiple months. If you're struggling with a large tax bill, explore whether you might be may have access to to relief programs or whether filing an amended return could reduce what you owe.
Frequently Asked Questions
What if I pay online but my payment doesn't show up in my account?
Contact the Arizona Department of Revenue with your confirmation number. If you paid by ACH, allow three to five business days for the transfer to complete. If you paid by card, the transaction should post within 24 hours. The state can trace your payment using the confirmation number and help you locate it if there's a delay.
Can I pay my Arizona taxes with a credit card without a fee?
No. Credit card payments through the state's portal or authorized processors include a processing fee charged by the payment company. ACH transfers (direct bank transfers) do not have a fee. If the fee is a concern, pay by ACH, check, or money order instead.
Do I need to file a return if I only owe a small amount?
Yes. Arizona requires you to file a return if your income exceeds the filing threshold for your age and filing status, regardless of whether you owe tax. Filing on time protects you from penalties even if you owe nothing. If you do owe, paying by the April 15 deadline prevents late-payment penalties and interest.
What if I moved and the state sent my bill to the wrong address?
Update your address with the Arizona Department of Revenue as soon as possible. You're still responsible for paying on time even if you don't receive the bill. If you didn't know you owed tax because of an address error, explain this in writing when you contact the state. They may reduce penalties if the error was the state's responsibility.
Can I pay my Arizona state taxes through the IRS website?
No. The IRS website is for federal taxes only. Arizona state taxes must be paid through the Arizona Department of Revenue website, by mail, by phone, or through an authorized state processor. Do not send Arizona tax payments to the IRS.