You can open a checking account for your brother, but the rules depend on his age and your relationship to him
If your brother is under 18, you cannot open an account in his name alone — banks require a parent or legal guardian to be the account owner. If you are his parent or guardian, you can open a standard minor checking account with your name and his on it. If you are his older sibling but not his legal guardian, you cannot open an account for him, though you may be able to add yourself as an authorized user on an account his parent has already opened.
The rules are strict because minors cannot sign binding contracts, and a bank account is a contract. The bank needs someone legally responsible for the account — that person is almost always a parent or court-appointed guardian. Your relationship to your brother matters less than your legal standing to make financial decisions on his behalf.
Key Takeaways
- A parent or legal guardian must be the primary account holder; a minor cannot own an account alone.
- If you are your brother's parent or guardian, you can open a joint account with your name and his name both on it.
- If you are his sibling but not his guardian, you cannot open an account for him, though you may be added as an authorized user on his parent's account.
- Most banks allow minors to have debit cards, online access, and spending limits set by the parent.
- Some banks have accounts designed specifically for teens, with features like spending controls and financial education tools.
What happens if you are the parent or guardian
If you have legal custody of your brother, you can walk into a bank or credit union and open a minor checking account. You will be listed as the primary account holder, and your brother will be listed as a joint owner. The account belongs to both of you legally, though you control it until he reaches the age of majority — usually 18, sometimes 21 depending on state law and the bank.
You will need to bring your ID, proof of address, and your brother's birth certificate or Social Security number. Some banks also ask for a second form of ID. The process takes about 30 minutes in person, or you may be able to start it online and finish it in a branch. There is no waiting period — the account opens the same day.
Once the account is open, you can set spending limits, control whether he can withdraw cash, and see every transaction. Most banks let you turn off online shopping, ATM withdrawals, or out-of-state transactions. You can also order a debit card in his name, which he can use with your permission.
What happens if you are his sibling but not his guardian
You cannot open an account for your brother on your own. The bank will not let you sign the paperwork as the account owner because you do not have legal authority over his finances. If your parents are alive and able, they need to be the ones to open the account.
What you can do is ask your parent to add you as an authorized user on an account they have already opened for him. As an authorized user, you can see the balance, make deposits, and sometimes withdraw money — but the account still belongs to your parent. This is useful if you are helping manage his money or teaching him to save, but it does not give you the legal power to open a new account in his name.
Banks and credit unions that offer teen checking accounts
Many large banks have accounts designed for minors, with features parents find useful. Chase offers a Chase First Banking account for kids as young as six, with a debit card and parental controls. Bank of America has BofA Student Checking, which waives monthly fees for students under 25. Wells Fargo offers Wells Fargo Teen Checking with similar controls.
Credit unions often have lower fees and simpler rules. Many credit unions let you open a minor account with just a parent ID and the child's birth certificate, and they may not charge monthly maintenance fees at all. If your family belongs to a credit union, that is often the cheapest route.
Online banks like Greenlight and GoHenry are designed specifically for teaching kids to manage money. They let you set chores, allowance, and spending limits through an app. These are not traditional checking accounts — they are prepaid cards linked to your account — but they work well if your goal is to teach your brother money habits rather than give him full banking access.
| Provider | Minimum Age | Monthly Fee | Debit Card | Parental Controls |
|---|---|---|---|---|
| Chase First Banking | 6 | $0 | Yes | Yes |
| Bank of America Student Checking | 13 | $0 (for students) | Yes | Yes |
| Wells Fargo Teen Checking | 13 | $0 | Yes | Yes |
| Most credit unions | Varies (often 13+) | $0–$5 | Yes | Varies |
| Greenlight (prepaid card) | 6 | $4.99–$9.98/month | Yes | Yes |
What documents you will need to bring
If you are opening the account as a parent or guardian, bring your government-issued ID (driver's license or passport), proof of your current address (a utility bill or lease dated within the last 60 days), and your brother's birth certificate or Social Security card. Some banks ask for both. A few banks also ask for a second form of ID, such as a credit card or military ID.
If your brother is old enough to come to the bank, bring him too — most banks want to see him in person, especially if he is getting a debit card. If he cannot come, call the bank ahead of time to ask whether they will open the account without him present. Some will; others require him to sign the paperwork.
If you are adding yourself as an authorized user on an existing account, you will need your ID and the account holder's permission. The process is faster — usually just a form to sign.
When the account is open: what your brother can and cannot do
Once the account exists, your brother can deposit checks, use the debit card you give him, and check his balance online or by phone. What he cannot do depends on what you allow. You control the account settings, so you decide whether he can withdraw cash at an ATM, whether he can use the card online, and whether he has a daily spending limit.
Most parents set a daily ATM withdrawal limit of $20 to $50 and a daily debit card limit of $50 to $100. You can change these limits anytime through the bank's app or website. If your brother tries to spend more than the limit, the transaction will be declined — the bank will not let it go through.
Your brother cannot overdraw the account (spend more than the balance) unless you turn on overdraft protection, which most banks do not enable by default for minors. This is a safety feature: if he runs out of money, his card simply stops working rather than putting him in debt.
What happens when your brother turns 18
When your brother reaches the age of majority — 18 in most states — the account does not automatically change. He remains a joint owner with you, and you both can still access it and make transactions. However, he now has the legal right to remove you from the account, close it, or move the money elsewhere.
Some banks automatically convert the account to a standard adult checking account on his 18th birthday. Others leave it as is. Call your bank or check your account settings to see what will happen. If you want to keep oversight, talk to your brother before his birthday about what you both want the account to look like going forward.
Frequently Asked Questions
Can I open a checking account for my brother if our parents won't?
No. A parent or legal guardian must open the account. If your parents refuse and you believe your brother is in danger or being neglected, contact your local child protective services. Otherwise, you will need to wait until he is 18 and can open his own account.
What if my brother is 17 and wants his own account?
He still needs a parent or guardian to open it with him. At 17, he cannot sign the account paperwork alone. Once he turns 18, he can open an account by himself with just his ID and Social Security number.
Can I add my brother to my own checking account instead?
You can, but it is not recommended. If you add him as a joint owner on your personal account, he has full access to your money, not just his own. A separate minor account keeps your finances separate and teaches him to manage his own money.
Do I need to report the account to the IRS or file taxes on it?
No. A checking account itself is not taxable income. If your brother earns interest on the account balance, that interest is taxable to him, but most checking accounts earn little or no interest. If he has other income (from a job, for example), he may need to file taxes, but that is separate from the account.
What if my brother loses his debit card?
Call the bank immediately and report it lost or stolen. The bank will cancel the card and issue a new one, usually within 5 to 10 business days. In the meantime, your brother can still access his money through an ATM using a PIN, or you can withdraw cash for him.