No, you do not have to be married to have a joint account. Any two or more adults can open a shared bank account in the United States, whether you are an unmarried couple, siblings, a parent and adult child, roommates, or business partners. Banks care about each applicant’s identity and legal standing, not the relationship between the people on the paperwork.
Who Can Be a Co-Owner
Each person on the account generally needs to be at least 18 years old to sign on independently. Minors can appear on a joint account through a custodial arrangement with a parent or guardian, and a handful of state-chartered banks allow account holders as young as 15 under state rules, but independent co-ownership usually starts at 18.
Every applicant also needs valid legal status in the United States. Banks verify this through identity documents and check names against government watchlists to satisfy federal anti-money laundering requirements.1FFIEC Bank Secrecy Act/Anti-Money Laundering InfoBase. Assessing Compliance With BSA Regulatory Requirements These standards apply the same whether you are married, related, or complete strangers going into business together.
What Each Person Needs to Provide
Every co-owner has to hand over the same basic package:
- A government-issued photo ID such as a driver’s license, U.S. passport, or military ID. Some banks also accept foreign passports or consular identification cards.
- A Social Security number or Individual Taxpayer Identification Number, so the bank can handle tax reporting on any interest the account earns.2Consumer Financial Protection Bureau. Checklist for Opening a Bank or Credit Union Account
- Proof of address, such as a recent utility bill or lease.
Most banks let you apply online or at a branch. Either way, the bank runs identity verification checks before activating the account, and many require a small opening deposit that can range from about $10 to $1,500 or more depending on the institution.
How Shared Ownership Actually Works
Joint bank accounts are most commonly set up as “joint tenancy with right of survivorship.” Under that structure, every co-owner has full legal access to the entire balance. Any one owner can deposit, withdraw, transfer, or spend the funds without asking the others. The bank does not track who put in what, and it will not limit withdrawals to each person’s contributions.
The survivorship piece kicks in when a co-owner dies. The remaining balance passes automatically to the surviving owner or owners without going through probate. The survivor simply presents a death certificate to update the account. That transfer happens regardless of what the deceased owner’s will says. These rules apply the same way to married co-owners, relatives, and unrelated co-owners.
Where Marriage Does Matter
There is one form of joint ownership that does require marriage: tenancy by the entirety. Roughly 16 states and the District of Columbia allow married couples to hold bank accounts and other personal property this way. Tenancy by the entirety treats the couple as a single legal unit rather than two separate owners, and it comes with a real advantage: creditor protection.
Under a standard joint tenancy, if one co-owner has an unpaid debt, a creditor may be able to reach the funds in the shared account. Under tenancy by the entirety, the account is generally shielded from the individual debts of either spouse. A creditor can only reach the money if both spouses owe the debt together. This is the main practical reason married couples in eligible states might pick tenancy by the entirety over a regular joint account. Unmarried co-owners cannot use this option in any state.
Risks of Sharing an Account With Someone
Because the relationship between co-owners does not change the legal mechanics, an unmarried co-owner takes on the same exposures a spouse would, without the tenancy-by-the-entirety cushion.
Creditor Garnishment
If your co-owner has an unpaid judgment, defaulted loan, or tax lien, a creditor may be able to garnish the joint account even though you personally owe nothing. Because each owner has equal legal rights to the entire balance, courts generally treat the full account as available to satisfy one owner’s debt. Some states limit garnishment to the debtor’s presumed share, often 50 percent; others allow the creditor to seize the whole balance. A non-debtor co-owner can sometimes reclaim funds by proving which deposits were theirs, but that requires detailed records and takes time.
Bank Set-Off
If one co-owner is behind on a loan or credit card at the same bank that holds the joint account, the bank itself can exercise a “right of set-off.” That lets the bank pull money directly from the joint account to cover the delinquent debt, without a court order and regardless of who deposited the funds. Most account agreements authorize this. Before opening a joint account somewhere, it is worth checking whether either co-owner already owes that bank money.
Overdraft Liability
When one co-owner overdraws the account, both owners may be on the hook for the negative balance. Many account agreements make all co-owners jointly liable for overdrafts, even those caused entirely by someone else on the account. If the bank cannot recover, it may report both co-owners to consumer reporting agencies, which can make it harder to open accounts elsewhere.
FDIC Insurance Goes Further on Joint Accounts
Joint accounts get separate FDIC coverage from individual accounts, so opening one can actually increase the total amount of your deposits that are protected. Each co-owner is insured up to $250,000 for their share of all joint accounts at the same bank.3FDIC. Joint Accounts The FDIC assumes each co-owner holds an equal share unless the bank’s records say otherwise.4FDIC. Your Insured Deposits
In practice, a joint account with two co-owners is insured up to $500,000 total. If those same two people also have individual accounts at the same bank, the individual accounts are covered separately under the single-account category.
Getting Out Later Is Not Symmetrical
Removing a co-owner from a joint account usually requires that person’s written consent. State law or the account agreement typically prevents one owner from unilaterally dropping another.5Consumer Financial Protection Bureau. Can I Remove My Spouse From Our Joint Checking Account Some banks may allow it, but that is the exception.
Closing the account is different. At most banks, either co-owner can withdraw the entire balance and close the account without the other’s agreement.6Consumer Financial Protection Bureau. A Joint Checking Account Owner Took All the Money Out and Then Closed the Account Without My Agreement – Can They Do That That asymmetry matters most when the co-owners are not married and have no other legal framework tying them together. If the relationship changes, either person can empty the account at any time.