How Joint Bank Accounts Work

A joint bank account has two or more owners. Each owner can deposit, withdraw, write checks and close the account, without asking the other. Couples use them for shared bills. Parents and adult children use them so one can help the other with money.

Who owns the money

In a standard joint account, every owner has full access to the whole balance. It does not matter who deposited what. If you put in $5,000 and your co-owner withdraws all of it, the bank will usually not step in, because they were entitled to.

That is the single most important thing to understand before opening one. A joint account is a statement of trust, not a shared ledger.

FDIC insurance is higher

The FDIC insures joint accounts separately from each person's individual accounts. Each co-owner's share is covered up to $250,000, so a joint account with two owners is insured up to $500,000 at one bank.

That coverage sits on top of anything each person holds in their own name at the same bank.

What happens if one owner dies

Most joint accounts are opened with "right of survivorship." When one owner dies, the money passes straight to the surviving owner, without going through probate. The survivor usually needs to show the bank a death certificate, and the account continues in their name.

Some banks offer "tenants in common" instead, where each owner's share passes through their estate. It is less common, so check which one your account uses.

The risks

Debts. If one owner owes money and a creditor wins a court judgment, the creditor may be able to freeze or take money from the joint account, even money the other owner deposited.

Breakups. Either owner can empty the account. In a separation, that happens more often than people expect.

Overdrafts. Both owners are responsible for a negative balance, including fees, no matter who caused it.

Benefits and aid. For means-tested benefits such as Medicaid or SSI, the full balance may be counted as belonging to each owner.

Alternatives worth knowing

Authorized user or convenience signer. Some banks let you add someone who can pay bills from your account without becoming an owner. The money stays yours, and it does not pass to them when you die.

Payable-on-death (POD) beneficiary. You keep sole ownership while you are alive, and the named person receives the balance after. They cannot touch it before then.

Yours, mine and ours. Many couples keep individual accounts and a smaller joint account for shared bills, each funding it by an agreed amount every month.

How to open one

Both owners usually need to be present, in person or online, with ID, Social Security numbers and an address. Some banks let you add a co-owner to an existing account. Others require you to open a new one.

FAQ

Can I remove someone from a joint account? Usually not on your own. Most banks require both owners to agree. The common workaround is to open a new individual account and move your money.

Do both owners need good credit? Banks often run a ChexSystems check on each owner, which looks at past banking history rather than credit. A poor ChexSystems record for either owner can get the application declined.

Is interest taxed to both of us? The bank issues the 1099-INT under the primary owner's Social Security number. Married couples filing jointly report it together. Other co-owners can split it on their returns based on who owns what.