In most cases, a minor cannot open a bank account without parents or a guardian involved. Anyone under eighteen generally lacks the legal capacity to sign a binding contract, and a deposit agreement is a contract. Banks respond by requiring an adult co-signer who can be held liable if the account goes negative or the agreement is breached. Two narrow exceptions exist: emancipated minors, and residents of a handful of states whose statutes make a minor’s banking transactions legally enforceable on their own. Everyone else uses a joint account or a custodial account set up by an adult.
Why Banks Require an Adult
The barrier is contract law. A contract signed by someone under the age of majority is generally voidable at that person’s discretion, so a minor who opened a checking account and overdrew it could walk away from the debt with little the bank could do. An adult co-signer solves that by giving the bank someone it can hold to the agreement.
Federal rules add a second layer. Every financial institution must run a Customer Identification Program before opening an account, collecting the applicant’s name, date of birth, address, and taxpayer identification number.1eCFR. 31 CFR 1020.220 – Customer Identification Program These rules don’t ban minor-held accounts outright, but they sit on top of the capacity problem and make solo minor accounts the exception rather than the rule.
Emancipated Minors
Emancipation is the cleanest path to solo banking before eighteen. A court-issued emancipation order generally grants a minor the authority to manage their own earnings, sign contracts, and handle financial affairs independently. With the order in hand, a minor can walk into a bank and open an account without a co-signer.
Some states issue partial emancipation, freeing a minor for certain purposes while withholding others. Financial independence is almost always included, because it’s usually the point of the petition. But emancipation is a serious legal step. Courts typically require you to show you can support yourself, and the process involves filing a petition, notifying your parents, and attending a hearing. It isn’t a shortcut just to get a bank account.
State Laws That May Allow Solo Minor Accounts
A few states have statutes that remove some of the contractual barriers. These laws generally don’t force banks to offer solo minor accounts — they make a minor’s deposit and withdrawal transactions legally enforceable, which gives banks the legal comfort to allow it if they want to.
Florida’s deposit statute, for example, lets a minor withdraw funds from an account opened in their name and treats that transaction as valid without adult involvement. New York’s banking law holds deposits made by or in the name of a minor for that minor’s exclusive benefit and treats the minor’s receipt as a valid discharge to the bank. Even in these states, individual banks set their own policies, and many still require a parent on the account regardless of what the statute permits.
If you live in one of these states, call ahead before you go in. Ask whether the bank allows minor-only accounts and what documentation you’ll need. Don’t assume the statute translates to a yes at the branch.
Joint and Custodial Accounts
For most minors, the realistic options involve an adult on the account. A joint account shares ownership and access between you and a parent or guardian. A custodial account under the Uniform Gifts to Minors Act or the Uniform Transfers to Minors Act works differently: the adult custodian manages the account, but the minor legally owns the assets inside it.
The distinction with a custodial account is ownership versus control. The money belongs to the minor from day one, and the custodian has a legal duty to use the funds for the minor’s benefit rather than personal expenses. The minor also can’t direct transactions or withdraw funds until the custodial period ends. The age at which custody terminates varies by state. The most common default is 21, some states set it at 18, and a few let the person establishing the account choose an age as high as 25 or 30. Once you reach that age, the account converts to a standard individual account in your name, and the custodian’s authority disappears.
One trade-off worth knowing: because the minor legally owns the assets in a custodial account, they can reduce financial aid eligibility. Student assets are weighted more heavily than parent assets in federal aid calculations.
Youth Banking Apps Still Need a Parent
Fintech apps marketed to teenagers might suggest parental involvement is optional. It isn’t. Cash App, GoHenry, and similar platforms designed for minors all require a parent or guardian to set up and approve the account. Cash App allows teens aged 13 to 17 to use a sponsored account, but only after an eligible parent or guardian grants approval. GoHenry works the same way, with a parent applying online and activating the card. These apps often give teenagers more day-to-day control over spending than a traditional joint account, but the parent remains the account holder or sponsor. If your goal is complete independence from your parents, these apps don’t get you there.
What Identification You’ll Need
Whichever route you take, the bank will collect the four pieces of information federal law requires: your full legal name, date of birth, physical address, and a taxpayer identification number.1eCFR. 31 CFR 1020.220 – Customer Identification Program
For U.S. citizens and residents, the taxpayer identification number is your Social Security number. Banks use it for identity verification and to report interest income to the IRS.2Office of the Comptroller of the Currency (OCC). Can the Bank Require Me to Provide My Social Security Number? If you don’t have one, an Individual Taxpayer Identification Number may work for federal tax purposes, though the IRS specifies that an ITIN does not serve as identification outside the tax system.3Internal Revenue Service. Individual Taxpayer Identification Number (ITIN) Whether a particular bank will open an account with an ITIN depends on its internal policy.
To verify your identity, banks typically want an unexpired government-issued photo ID such as a driver’s license or passport.4Office of the Comptroller of the Currency (OCC). What Type(s) of ID Do I Need to Open a Bank Account? Many minors have neither. Some banks accept a school ID or state-issued identification card as an alternative, but this varies. You’ll also need to prove your physical address, usually with a utility bill, official correspondence, or enrollment documents showing your name and home address.
Converting the Account at Eighteen
Reaching the age of majority doesn’t automatically remove a parent from a joint account. You’ll need to visit the bank and ask. Some institutions close the joint account and open a new individual one; others just remove the co-signer. Either way, you have to show up with valid ID and make the request. Banks don’t do this automatically.
Custodial accounts convert on their own timeline. When you reach the termination age set by your state’s UTMA or UGMA law, the custodian’s authority ends and you become the sole owner. Many banks will notify you and walk you through the paperwork. If yours doesn’t, contact them once you reach the applicable age. You’re entitled to full control, and the custodian has no legal basis to withhold it.