Yes, but only with a parent or guardian as co-owner

You can open a joint checking account before age 18, but the bank will require a parent or legal guardian to be a co-owner on the account. You cannot open a joint account with another minor, and you cannot be the sole account holder. The adult co-owner has full legal responsibility for the account and can access all funds and transaction history at any time.

Most banks allow minors to be added to a parent's existing account without opening a new one. This is often simpler than creating a joint account from scratch, though the legal structure is slightly different—the parent remains the primary account holder and you are an authorized user. Either way, the parent or guardian controls the account until you reach the age of majority in your state, typically 18.

Key Takeaways

  • A minor can open a joint checking account only with a parent or legal guardian as the co-owner; two minors cannot open a joint account together.
  • The adult co-owner has full access to all funds and can withdraw money, close the account, or change account settings without your permission.
  • Being added as an authorized user to a parent's existing account is often faster than opening a new joint account and achieves the same practical result.
  • Once you turn 18, you can convert the account to your name alone, open a separate account, or remain on the joint account if both owners agree.
  • Different banks have different rules about when a minor can use a debit card, write checks, or access online banking—ask your bank about their specific policies.

What documents you need to open a joint account as a minor

The adult co-owner will need to bring a government-issued photo ID (driver's license, passport, or state ID) and proof of address, usually a recent utility bill or lease. You will need to bring a Social Security number or Individual Taxpayer Identification Number (ITIN). Some banks also ask for a birth certificate to verify your age, though this is not universal.

Both the minor and the adult must be present in person at most banks. Some banks allow online account opening for minors if the adult co-owner has an existing account at that bank, but this varies widely. Call your bank before you go in to confirm what documents to bring and whether you can open the account online or must visit a branch.

How much control you have over the account as a minor

Your access depends on the bank's rules and what the adult co-owner allows. Most banks issue a debit card to minors on joint accounts, but some restrict it to the parent only until the child reaches a certain age—often 13 or 16. Online banking access, check-writing privileges, and the ability to make transfers may also be limited or blocked for the minor.

Even if the bank allows you to use the debit card or access online banking, the adult co-owner can monitor every transaction and can freeze or close the account at any time. The adult can also withdraw all funds without your permission. This is the legal reality of a joint account: both owners have equal rights to the money, regardless of who deposited it.

What happens to the account when you turn 18

At age 18, you become a legal adult and can own a bank account in your name alone. You have three main options: convert the joint account to your name only, open a new account at the same bank or a different bank, or keep the account as a joint account if the adult co-owner agrees. If you want to remove the adult co-owner, you will need to visit the bank in person or call and request the change.

If you do nothing, the account remains joint and the adult retains full access. Some banks automatically convert joint accounts to individual accounts when the minor reaches 18, but this is rare—most require you to make the change yourself. If you plan to separate your finances, contact the bank within a few weeks of your 18th birthday to confirm what steps you need to take.

Taxes and Social Security numbers on a minor's joint account

The bank will report interest earned on the account to the IRS using the Social Security number of the primary account holder—usually the adult. If you are the minor co-owner, the interest may be reported under your number instead, depending on the bank's system. This matters because interest income counts toward your taxable income, even if you are a dependent.

If the account earns more than a small amount of interest (the threshold changes yearly), you may need to file a tax return even if you have no other income. Ask your bank whose Social Security number will be used for tax reporting, and keep records of any interest earned. Your parent or guardian should include this information when filing their taxes if it affects your household's return.

When a joint account with a minor makes sense

A joint account is useful when a parent wants to give a child access to money for everyday spending—groceries, gas, school supplies—while keeping oversight. It also works well for saving toward a goal together, like a car or college fund, because both owners can see the balance and deposits. Some families use it as a teaching tool to help a teenager learn how banking works.

A joint account is less useful if you want privacy from the adult co-owner or if you are saving money you do not want them to access. In those cases, once you turn 18, opening your own account at a different bank may be a better choice. If you are concerned about the adult's spending habits or financial stability, talk to another trusted adult before opening a joint account.

Frequently Asked Questions

Can two minors open a joint checking account together?

No. Banks require at least one account owner to be a legal adult. Two minors cannot open a joint account together, even with parental permission. You would need to wait until one of you turns 18.

What if the adult co-owner takes money from the account without permission?

Legally, the adult has the right to withdraw funds because they are a co-owner. You cannot dispute the withdrawal as fraud. If you believe the money was taken wrongfully, you would need to discuss it with the adult or, in serious cases, consult a lawyer or family court. This is a reason some minors prefer to keep savings in an account only they can access after turning 18.

Can I remove the adult co-owner from the account before I turn 18?

No. As a minor, you do not have the legal authority to change account ownership. Only the adult co-owner or the bank can make that change. Once you turn 18, you can request to remove them, but they must consent or you will need to close the account and open a new one.

Do I need the adult's permission to use my debit card on the joint account?

The bank does not require permission, but the adult co-owner can restrict or disable your card at any time. They can also see every transaction you make. If the adult has set limits on your card (like a daily spending cap), you will need to work within those limits or ask them to increase it.

What happens if the adult co-owner dies?

The account becomes part of their estate and may go through probate, depending on your state's laws and whether the account has a beneficiary designation. Contact the bank immediately to explain the situation. You may be able to continue using the account, but the bank will likely freeze it temporarily while the estate is settled. Consult with the executor of the estate or an attorney for guidance.