Yes, you can add a person to your bank account, but the process and rules depend on your bank and the type of account

Most banks let you add another person to a checking or savings account. The person you add becomes a co-owner with full access to the money and account decisions—they can withdraw funds, write checks, set up transfers, and close the account. Some banks call this an authorized user or joint account holder. You'll need to go to your bank in person or online, provide the other person's legal name and Social Security number, and sign paperwork. The process usually takes a few minutes to a few days, depending on whether you do it in a branch or through your bank's website.

Not all account types allow co-owners. Money market accounts, certificates of deposit (CDs), and some savings products have restrictions. If you want to give someone limited access without making them a full co-owner—for example, to pay bills on your behalf but not withdraw cash—ask your bank about power of attorney or authorized signer options instead. These are different from adding a co-owner and give you more control over what the person can do.

Key Takeaways

  • Adding a co-owner gives that person full access to your account, including the right to withdraw all the money and close the account.
  • You will need the other person's legal name, Social Security number, and their presence or signature depending on your bank's rules.
  • Some account types, like CDs and money market accounts, do not allow joint ownership, so check with your bank first.
  • If you want to give someone limited access without making them a co-owner, ask about power of attorney or authorized signer options instead.
  • Adding a co-owner takes a few minutes to a few days and can usually be done online or in a branch.

What you need to bring or provide

To add a co-owner, your bank will ask for the other person's full legal name, date of birth, and Social Security number. Bring a government-issued photo ID for yourself and ask the other person to bring theirs as well, even if you're doing this online—some banks require both people to verify their identity through video call or in person. Have your account number ready.

If you're adding a spouse, domestic partner, or family member, the process is the same. If you're adding someone who is not a U.S. citizen, ask your bank whether they accept an ITIN (Individual Taxpayer Identification Number) instead of a Social Security number. Some banks do; others require a Social Security number or won't add non-citizens to accounts at all.

How the process works at different banks

Large national banks like Chase, Bank of America, and Wells Fargo let you add a co-owner online through their website or mobile app. You'll enter the person's information, review the terms, and sign electronically. The new co-owner usually receives an email or text asking them to confirm, and the account is updated within one business day. Some banks require both people to be present in a branch.

Credit unions and smaller regional banks often require you to visit a branch in person with the other person. You'll both sign a form, show ID, and the account is updated the same day or the next business day. Call your bank or credit union ahead of time to ask whether you can do this online or whether you need to come in. If you bank online-only, check whether they allow co-owners at all—some do not.

What happens after you add a co-owner

Once the co-owner is added, they have the same rights to the account as you do. They can see the full balance, transaction history, and account details. They can withdraw money, write checks, set up automatic payments, change the account password or PIN, and request a new debit card. If the account is linked to other services—like a line of credit or overdraft protection—the co-owner can use those too.

The co-owner's name will appear on statements and tax documents. If the account earns interest, the bank reports it to the IRS under both owners' Social Security numbers. If you die, the money in the account usually passes to the co-owner automatically, outside of your will. This is called right of survivorship, and it happens with most joint accounts unless you and your bank set it up differently.

Removing a co-owner later

If you want to remove a co-owner, you can do this online or in person at your bank, but the rules vary. Some banks let either co-owner remove the other without permission. Others require both people to agree and sign a form together. A few banks require the account holder who opened the account originally to make the change. Call your bank and ask what their policy is before you add someone, so you know what to expect if the relationship changes.

When you remove a co-owner, the bank may freeze the account temporarily while they process the change. Money in the account stays there—it does not go to the person you removed. If the co-owner had set up automatic payments or transfers from the account, those may be canceled or paused during the removal process.

Alternatives if you don't want to add a co-owner

If you want someone to help manage your money but don't want to give them full access, consider a power of attorney. This is a legal document that lets you name someone to handle your finances without making them a co-owner. The person can pay bills, deposit checks, and move money on your behalf, but they cannot close the account or change ownership. You can limit what they can do and revoke the power of attorney anytime.

Another option is an authorized signer or authorized user. Some banks let you name someone who can write checks or make withdrawals from your account without being a co-owner. The rules and limits depend on your bank. Ask whether they offer this and what it costs—some banks charge a small monthly fee for authorized signers.

Tax and legal things to know

Adding a co-owner does not change how your taxes work unless the account earns significant interest or investment income. The bank reports interest to both owners' Social Security numbers, and you may each owe taxes on your share. If you're adding a spouse, this is usually straightforward. If you're adding an adult child or other family member, talk to a tax professional about whether this affects their taxes or your taxes.

In some states, adding a co-owner can affect Medicaid or other government benefits. If you or the person you're adding receives Medicaid, SSI (Supplemental Security Income), or other means-tested benefits, adding them to your account could count as a gift or change their resource limit. Check with a benefits counselor before you make the change. If you're trying to protect assets for long-term care or estate planning, a co-owner account may not be the best tool—a lawyer can suggest other options.

Frequently Asked Questions

Can I add someone to my account without them knowing?

No. Most banks require the co-owner to sign paperwork or verify their identity, either in person or online. Some banks send a confirmation email or text to the new co-owner. Even if your bank doesn't require their signature, adding someone without their knowledge is fraud and can result in criminal charges.

What if I want to add a minor to my account?

You can open a joint account with a minor, but the rules depend on your bank and the child's age. Most banks require a parent or guardian to sign. Some banks let minors become co-owners at age 13 or 16; others wait until age 18. Call your bank to ask what age they allow and whether the minor needs to be present.

Does adding a co-owner affect my credit score?

No. Adding a co-owner to a checking or savings account does not show up on credit reports and does not change your credit score. If the account is a line of credit or overdraft protection, the co-owner may be subject to a credit check, but adding them still does not affect your score.

Can I add a co-owner to a savings account I use for a specific goal?

Yes, but remember that a co-owner has full access to the money. If you're saving for a down payment or emergency fund and you add someone, they can withdraw the money anytime. If you want to protect the money, consider a separate account that only you can access, or ask your bank about a CD or money market account with restricted access.

What happens to the account if the co-owner dies?

If the co-owner dies, the account stays open and you keep full access to the money. The bank may ask for a death certificate to update their records, but the account does not close. If you die first, the money usually goes to the surviving co-owner automatically, unless you set up the account differently.