Yes, you can add a second person to most bank accounts, but the bank controls how
You can add another person to your bank account at most banks, but what that means legally and what access they get depends on how the bank sets it up. The person you add becomes either a joint account holder (equal ownership and access) or an authorized user (access without ownership). These are different arrangements with different consequences for taxes, liability, and what happens to the money if someone dies.
The process itself is straightforward: you go to your bank, fill out a form, and the other person signs it. Most banks can do this in a branch or online. But before you start, you need to know which arrangement actually solves your problem, because you cannot undo it quickly if you choose wrong.
Key Takeaways
- Joint account holders own the account equally and can withdraw all the money without permission; authorized users can access the account but do not own it.
- Joint accounts pass to the surviving owner automatically if one person dies, bypassing probate; authorized user access ends when the account holder dies.
- Both joint holders and authorized users are liable for overdrafts and fees, but only joint holders are liable for the other person's debts.
- Your bank may require the second person to be present in person or may allow them to sign remotely; this varies by bank and account type.
- Adding someone to an account does not give them access to your other accounts unless you add them to those separately.
Joint account holder versus authorized user: what the difference means
A joint account holder is a legal co-owner. Both people own the entire account balance equally. Either person can withdraw all the money, close the account, or change the account settings without asking the other. If one joint holder dies, the money passes automatically to the surviving joint holder — it does not go through probate or the deceased person's will. This is called right of survivorship, and it is the main reason people set up joint accounts.
An authorized user has access to the account but does not own it. They can deposit and withdraw money, but the account legally belongs to you alone. If you die, the authorized user loses access when ready. The money goes into your estate and is distributed according to your will or state law. Authorized users are useful when you want someone to help manage the account — a caregiver, an adult child, a business partner — but you want to keep legal ownership.
Both arrangements expose both people to the account's overdraft fees and negative balances. If the account goes negative, the bank can pursue either person for the debt. But only joint holders are liable for each other's personal debts. If a joint holder is sued and loses, a creditor can potentially reach the joint account. An authorized user's personal debts do not affect the account.
What your bank needs before you can add someone
Your bank will ask for the second person's name, date of birth, and Social Security number or tax ID. They will also need a government-issued ID — usually a driver's license or passport. Some banks require the second person to be present in the branch to sign the paperwork in person. Others allow remote signing through their online platform or by mail, though this is less common for joint accounts.
If you are adding someone who does not have a Social Security number — a non-citizen without one, for example — the bank may ask for an Individual Taxpayer Identification Number (ITIN) instead. Some banks will not add non-citizens to joint accounts at all; this varies by institution. Call your bank's main line and ask what they need before you bring the other person in.
You will also need to decide whether the account should require both signatures to withdraw money (rare and inconvenient) or allow either person to act alone (standard). Most banks default to either-or-both, meaning either person can move money without the other's permission.
The tax and legal consequences of joint ownership
If you add someone as a joint owner, the IRS and your state tax authority may treat the account differently depending on who contributed the money. If you put all the money in and the other person contributes nothing, the IRS generally does not care — it is your money. But if both people contribute, or if the other person receives the money as a gift, tax complications can arise.
The bigger issue is what happens at death. If you die and the account is joint with right of survivorship, the surviving joint holder gets the entire balance outside of probate. This can be fast — sometimes within days — but it also means the money does not go through your will. If your will says the money should go to someone else, the joint account overrides that. The surviving joint holder keeps it all.
If you are married and live in a community property state (Arizona, California, Idaho, Louisiana, Nevada, New Mexico, Texas, Washington, or Wisconsin), adding a spouse as a joint holder has additional implications for property division if you divorce. Consult a lawyer in your state before setting up a joint account with a spouse if you have significant assets.
How to add someone at your specific bank
The process varies slightly by bank, but the general steps are the same. Log into your online banking or call the number on the back of your card and ask to speak with an account services representative. Tell them you want to add a joint holder or authorized user. They will either send you a form to print and sign, or they will walk you through an online process.
If your bank requires in-person signing, you and the other person will both need to go to a branch with government ID. The bank will have you both sign the paperwork, verify the information, and confirm the account details. This usually takes 15 to 30 minutes. Some banks process the change when ready; others take one to three business days.
If your bank allows remote signing, you will receive a form by email or through your online account. You and the other person sign it electronically or print it, sign it by hand, and mail it back. The bank will verify the signatures and set up the change. This can take five to ten business days depending on mail time and the bank's processing speed.
After the change is complete, the second person can usually access the account within one business day. They may need to set up their own login credentials or request a debit card. Ask the bank whether they will issue a new card or whether the second person can use the existing card number.
What happens if you want to remove someone later
Removing a joint holder is harder than adding one. If the account is truly joint with equal ownership, both people usually have to agree to remove one of them. If you try to remove someone without their consent, they can dispute it and the bank may refuse. Some banks will remove someone only if both people are present or both sign a removal form.
Removing an authorized user is simpler. As the account owner, you can usually remove them unilaterally by calling the bank or logging into your online account. The bank will deactivate their access, though they may still have a debit card that no longer works. Ask the bank to confirm the removal is complete and whether the person will be notified.
If you are trying to remove a joint holder and they refuse, you may need to close the account entirely and open a new one in your name alone. This is disruptive and may affect any automatic payments or direct deposits tied to the account. Consult the bank about your options before you reach this point.
Joint accounts and creditor claims
If you are considering a joint account with someone who has debt or legal judgments against them, understand that a creditor can potentially freeze or seize the joint account to satisfy that person's debt. The creditor does not need your permission — they can go after the account because the joint holder has a legal interest in it. If you are adding a spouse, adult child, or business partner with financial problems, this is a real risk.
Authorized user accounts offer more protection. A creditor cannot easily reach an authorized user account because the authorized user does not legally own it. But if the account owner has debt, creditors can still pursue the account.
If you are concerned about this, talk to a lawyer before setting up a joint account. In some cases, a trust or a separate account structure may protect you better.
Frequently Asked Questions
Can I add someone to my account without them knowing?
No. Banks require the second person to sign the paperwork or electronically consent to being added. They will not add someone without that person's knowledge or signature. If someone is trying to add you to an account without your consent, that is fraud.
Does adding someone to my bank account affect their credit score?
Adding someone as a joint holder or authorized user does not directly affect their credit score. Banks do not report joint account activity to credit bureaus. However, if the account goes negative or is sent to collections, it could appear on their credit report.
What if the second person is a minor?
Most banks will not allow a minor to be a joint account holder. You can open a custodial account in your name with the minor as a beneficiary, or you can add the minor as an authorized user once they are old enough — usually 13 or older, depending on the bank. Ask your bank what age they require.
Can I add someone to just part of my account balance?
No. When you add someone as a joint holder, they have access to the entire account balance. You cannot partition the money or give them access to only a portion of it. If you want to give someone access to only some of your money, keep that money in a separate account and add them to that one.
What happens to a joint account if one person declares bankruptcy?
If one joint holder declares bankruptcy, the trustee may try to claim the joint account as part of the bankruptcy estate. The other joint holder can argue that their portion of the money is exempt, but this depends on state law and the specifics of the case. Consult a bankruptcy attorney if this is a concern.