A co-applicant is someone who applies for the account with you and shares legal responsibility for it

When you open a checking account, you can explore alone or with another person. A co-applicant is that second person — they sign the account paperwork alongside you, their name goes on the account, and they have the same legal standing you do. The bank treats both of you as owners of the account from day one.

This is different from adding someone later (which banks call adding an authorized user or signer). A co-applicant is there from the moment you walk in or click submit. Both of you are responsible for the account's terms, both can access the money, and both are liable if the account goes negative or if fraud occurs.

Banks ask for co-applicants for specific reasons: they want a second income source to verify, a second person's credit history to check, or a second signature on the account agreement. The bank's goal is to reduce their risk. Your goal might be different — you might want a co-applicant because you need their income to meet the bank's requirements, or because you want to manage money jointly with someone.

Key Takeaways

  • A co-applicant signs the account agreement with you and has equal legal rights to the account, including full access to all funds.
  • The bank verifies both applicants' credit and income before opening the account, so both of you need to pass the bank's checks.
  • Both co-applicants are responsible for overdrafts, fees, and any account activity — the bank can pursue either of you for money owed.
  • You can remove a co-applicant later, but the process varies by bank and usually requires the co-applicant's consent or a court order.
  • A co-applicant is not the same as an authorized user; authorized users have limited access and no legal responsibility for the account.

Why a bank asks for a co-applicant

Banks require a co-applicant when they believe one person's financial profile is not strong enough on its own. This usually means your income is too low, your credit score is below their threshold, or you have no credit history at all. Adding a co-applicant with stronger income or credit gives the bank more confidence that the account will be managed responsibly.

A second common reason is that you want to open a joint account and the bank's policy requires both account holders to be co-applicants. Some banks treat all joint accounts this way; others let you add someone after opening. Check your bank's specific rules before you explore.

Occasionally, a co-applicant is required for legal reasons — for example, if you are under 18, most banks require a parent or guardian to be a co-applicant. The adult becomes jointly liable for the account.

What the bank checks about both of you

When you and a co-applicant submit an process, the bank runs a background check on both names. They pull your credit reports, check for unpaid debts or fraud flags, and verify your income. They may also check ChexSystems, a banking history database that tracks closed accounts, overdrafts, and fraud.

If either applicant has a serious problem — a recent fraud case, a very low credit score, or a history of unpaid bank fees — the bank can deny the process. Some banks have a minimum credit score requirement; others focus more on ChexSystems history. The exact standards vary by bank and by account type.

Both applicants usually need to provide identification, proof of address, and proof of income (a recent pay stub or tax return). The bank may ask for more documents if either applicant's history raises questions.

Your rights and responsibilities as a co-applicant

Once the account opens, you and your co-applicant have equal rights. Both of you can deposit money, withdraw money, write checks, and use the debit card. Neither of you needs permission from the other. If one co-applicant empties the account, the other has no legal recourse against the bank — the bank did nothing wrong by allowing it.

You are also equally responsible for the account's obligations. If the account goes into overdraft, the bank can pursue either co-applicant for the money. If fees pile up, either co-applicant can be held liable. If fraud occurs and the bank investigates, both co-applicants may be questioned.

This joint liability is the key difference between a co-applicant and an authorized user. An authorized user can access the account but has no legal responsibility for it. A co-applicant has both access and responsibility.

How to remove a co-applicant from an account

Removing a co-applicant is not as straightforward as removing an authorized user. Because the co-applicant has legal rights to the account, most banks require either the co-applicant's written consent or a court order. Some banks will not remove a co-applicant under any circumstances and will instead require you to close the account and open a new one in your name alone.

If both co-applicants agree to the removal, contact your bank and ask for their process. You will likely need to sign a form, and the co-applicant may need to sign one too. The bank may require you to visit a branch in person.

If the co-applicant refuses to consent, you have limited options. You can close the account and open a new one, or you can pursue a legal remedy through family court (if the co-applicant is a spouse) or civil court. This is why it is important to think carefully before adding a co-applicant.

Co-applicant vs. authorized user vs. joint account holder

These three terms are often confused because banks use them inconsistently. Here is what they actually mean:

TermLegal ResponsibilityAccess to FundsLiability for Overdrafts
Co-applicantYes — equal responsibilityFull accessYes — either can be pursued
Authorized userNoFull accessNo
Joint account holderDepends on bank — may be same as co-applicantFull accessDepends on bank

When you open an account, ask your bank which term they use for the second person. Some banks call all joint accounts "co-applicant accounts." Others distinguish between the two. The name matters less than understanding what responsibility you are taking on.

What happens if a co-applicant dies or becomes incapacitated

If a co-applicant dies, the account does not automatically close. The surviving co-applicant can usually continue using it. The bank may ask for a death certificate and may freeze the account temporarily while they verify the situation, but the account remains accessible to the surviving co-applicant.

If a co-applicant becomes incapacitated and cannot manage their finances, the surviving co-applicant still has full access to the account. However, if the incapacitated person's estate or family pursues a legal claim, they may be able to freeze the account or require a court order to manage it. This is a reason to discuss account ownership clearly with a co-applicant before you open the account.

Frequently Asked Questions

Can a co-applicant close the account without my permission?

Yes. Because both co-applicants have equal legal rights, either one can close the account. The bank will not stop them. This is a significant risk if you open a joint account with someone you do not fully trust. Some couples use separate accounts for this reason.

Will being a co-applicant affect my credit score?

Yes. The bank will pull your credit report when you explore, which causes a hard inquiry and may lower your score slightly. More importantly, the account activity will appear on your credit report. If the account goes into overdraft or is closed with a negative balance, it can damage your credit.

What if my co-applicant commits fraud using the account?

Report it to the bank and to the police. The bank may freeze the account while they investigate. You may be held liable for the fraud unless you can prove you did not authorize it, which is difficult when you are a co-applicant with equal access. This is why co-applicant accounts carry risk.

Can I change a co-applicant to an authorized user?

Not directly. You would need to remove the co-applicant (which usually requires their consent) and then add them as an authorized user. Some banks allow this; others require you to close and reopen the account. Ask your bank about their specific process.

Do both co-applicants need to be present to open the account?

Not always. Many banks allow one co-applicant to explore online or by mail, and the other to sign electronically or in person later. Some banks require both to be present. Check with your bank before you explore.