The basic process: what happens when you add a person
Adding someone to your checking account means giving them legal access to the money in it. They can withdraw funds, write checks, set up automatic payments, and see the full transaction history. The bank creates a new account registration—usually either a joint account (both owners have equal rights) or an authorized user arrangement (one person is the primary owner, the other has access but fewer legal responsibilities). The person you add does not need to be a family member, though most people add spouses, adult children, or business partners.
The process itself takes 15 minutes to an hour, depending on whether you do it in person or online. You will need the other person present (or their information if your bank allows remote additions), a valid government ID for them, and their Social Security number or tax ID. Some banks complete the change when ready; others take one to three business days to process it. Once it is done, both of you can access the account from that moment forward.
Key Takeaways
- You can add someone to your account in person at a branch, by phone, or through online banking, depending on what your bank allows.
- The person you add will need a valid government ID and their Social Security number, and they may need to be present or sign documents.
- Joint account owners have equal legal rights to all the money; authorized users can access the account but the primary owner retains more control.
- Adding someone changes how the account is taxed and may affect their credit report, so discuss the implications before you proceed.
- You can remove someone from the account later, but the process varies by bank and by whether they are a joint owner or authorized user.
Adding someone in person at a branch
Bring the other person to your bank branch with their valid government ID (driver's license, passport, or state ID card). Tell the teller or banker you want to add them to your account. They will ask whether you want a joint account or an authorized user arrangement, and they will explain the difference—mainly that joint owners have equal rights and equal responsibility, while authorized users can access the account but the primary owner keeps more control over closing it or removing them.
The bank will collect the other person's Social Security number, date of birth, and contact information. They may ask why you are adding this person (routine question, not a barrier). You will both sign documents—usually a signature card and an account agreement. Some banks require the other person to initial specific sections acknowledging they understand the account terms. The change usually takes effect when ready, though the bank may mail new debit cards or checks within five to ten business days.
Adding someone remotely by phone or online
Not all banks allow you to add someone without them being present. Call your bank's customer service line or log into your online banking portal and look for an "Account Settings" or "Manage Account" section. Some banks have an "Add Authorized User" or "Add Account Owner" option in the menu; others require a phone call. If you use online banking, you may be able to start the process there but will need to complete it by phone or in person.
If you proceed by phone, the bank will verify your identity first (usually by asking security questions or a PIN), then ask for the other person's full name, Social Security number, date of birth, and address. Some banks will mail documents to both of you to sign and return; others will accept verbal authorization and send a confirmation email. The timeline is longer this way—typically three to five business days—because the bank needs to receive signed documents or process the verbal consent through their system.
Joint account versus authorized user: what the difference means
Joint account owners have equal legal claim to all the money in the account. Either person can withdraw the full balance, close the account, or remove the other person. If one owner dies, the money typically passes to the surviving owner automatically (this is called "right of survivorship" and is the default for most joint accounts). Both owners are responsible for overdrafts or fees. The account is reported on both people's credit reports, so if the account goes unpaid, it affects both of them.
Authorized users can access the account and use the debit card or checks, but the primary owner retains more control. The primary owner can remove an authorized user without their consent, and the account is reported on the primary owner's credit report only (not the authorized user's, in most cases). If the account goes unpaid, it typically affects only the primary owner's credit. Authorized user arrangements are common when a parent adds an adult child or when a business owner adds an employee.
Ask your bank which option they recommend for your situation. Some banks do not offer authorized user arrangements and only allow joint accounts. Others offer both. The choice depends on whether you want equal legal rights and shared responsibility, or whether you want one person to have primary control.
What information you will need to provide
You will need the other person's full legal name (as it appears on their government ID), date of birth, Social Security number or tax ID, current mailing address, and phone number. If they are not a U.S. citizen, your bank may ask for their Individual Taxpayer Identification Number (ITIN) instead of a Social Security number. Have their government-issued ID available—a driver's license, passport, or state ID card. Some banks also ask for employment information or the reason you are adding them, though this is usually optional.
If the person lives at a different address than you, the bank will still accept it. They may mail account documents or a new debit card to their address, so make sure the address is correct. If they do not have a U.S. address, call your bank first—some banks have restrictions on adding people without a domestic address.
Tax and credit report implications
Adding someone to your account affects how the account is reported to the IRS and to credit bureaus. If the account earns interest, the bank will issue a 1099-INT form reporting the interest income. With a joint account, the bank typically reports the interest to both owners, and you will each receive a 1099-INT. You will need to decide how to split the income on your tax returns—usually 50/50, but you can report it differently if you agree. Consult a tax professional if the account earns significant interest.
For authorized users, the account is usually reported only on the primary owner's credit report. For joint owners, it appears on both credit reports. If the account has a history of late payments or overdrafts, adding someone as a joint owner means those negative marks will affect their credit score too. If the account is in good standing, adding them as a joint owner can help their credit if they have limited credit history. Discuss this with the other person before you proceed.
Removing someone from the account later
You can remove an authorized user by calling your bank or visiting a branch. The primary owner can do this without the authorized user's permission. The process takes one to three business days. The bank will close the old debit card and issue a new one to the remaining owner(s).
Removing a joint owner is more complicated. Both owners usually have to agree and sign documents, or you may need a court order. Some banks allow the primary owner to remove a joint owner unilaterally, but this varies. Call your bank and ask what their policy is before you add someone as a joint owner if you think you might want to remove them later. If removal is a possibility, consider an authorized user arrangement instead.
Frequently Asked Questions
Does the person I add have to be present when I add them?
It depends on your bank. Most banks require the person to be present in a branch with a valid ID. Some banks allow you to add someone remotely if you provide their information and they sign documents by mail. Call your bank to ask what they allow.
Can I add someone to my account if they do not have a Social Security number?
If they have an ITIN (Individual Taxpayer Identification Number), most banks will accept it. If they have neither, some banks will not add them. Call your bank and ask—policies vary widely.
What happens to the account if one joint owner dies?
The money in a joint account with right of survivorship passes automatically to the surviving owner. The account does not go through probate. Your bank can tell you whether your account has this feature—it is the default for most joint accounts, but you can ask to confirm.
Will adding someone to my account affect their credit score?
If you add them as an authorized user, usually no. If you add them as a joint owner, the account will appear on their credit report, and their score may go up or down depending on the account's payment history and balance.
Can I add someone to my account without them knowing?
No. Banks require the person to provide their Social Security number and sign documents, or to be present with a valid ID. You cannot add someone without their knowledge or consent.