Most people start building credit at 18 or later, usually with a starter card and a lot of trial and error. By the time they want to rent an apartment, buy a car, or get a mortgage, their credit history is thin.
You can give your kids a head start.
The most common way to build credit for a child is to add them as an authorized user on a credit card you manage well, as long as the issuer reports authorized users to the credit bureaus. Your on-time history can start showing up on their report years before they apply for anything on their own.
Why early credit matters
Length of credit history is one of the factors in a credit score. Someone with a ten-year file usually looks less risky than someone with a one-year file, even if both pay on time.
Good credit affects more than loans. It can influence apartment applications, insurance pricing in many states, utility deposits, and the rate your child pays on their first car or home. A strong start can save them real money for decades.
How authorized users work
When you add someone as an authorized user, they get access to your card account. You are still the account owner and you are responsible for the balance.
If the issuer reports authorized users, the account can appear on your child's credit report, including its age, limit, and payment history. That is how their file starts to grow.
Your child does not need to use the card for this to help. Many parents add a child and never hand them the physical card.
Step 1: Check the issuer's policies
Not every issuer works the same way. Before you add your child, call or check online for:
- Whether they report authorized users to the credit bureaus. If they do not, this will not help.
- Minimum age requirements. Some issuers have none, some set a minimum age.
- Fees. Many cards add authorized users for free, but confirm.
Step 2: Pick the right card
Choose a card that helps your child's file, not hurts it:
- A long, clean payment history
- A low balance compared to the limit
- No annual fee surprises
- An account you plan to keep open for years
Avoid adding them to a card that carries a high balance or has ever had late payments. Whatever is on that account can show up on their report too.
Step 3: Manage the account like their score depends on it
Because it does. Two habits matter most:
- Pay on time, every time. A late payment can hurt both of you.
- Keep utilization low. Try to keep the reported balance well under 30% of the limit, and lower is better.
If your own balances have crept up, get them back under control first. Our post on where your cash flow is really going can help you find the leaks.
Step 4: Teach as you go
The credit history is the easy part. The habits are what last.
As your kids get older, show them the statement. Explain interest, minimum payments, and why you pay the full balance. Let a teenager make a small purchase and watch you pay it off. The goal is a young adult who understands credit, not just one who has a score.
It also helps to teach them the difference between debt that builds wealth and debt that drains it. We cover that in Good Debt vs Bad Debt.
Other ways to build a child's credit
- Student or secured card at 18. Once they are old enough, a secured card in their own name builds independent history.
- Joint accounts. Some parents co-sign, but this puts your credit fully on the line. Use caution.
- Rent and utility reporting. Some services can report on-time rent or utilities for young adults living on their own.
Mistakes to avoid
- Adding them to a card you sometimes pay late
- Running up a high balance on the shared account
- Forgetting to check whether the issuer reports
- Treating it as a substitute for teaching money habits
FAQ
At what age can I add my child as an authorized user? It depends on the card issuer. Some have no minimum age and some set one. Check with your issuer before you add them.
Does being an authorized user build credit? It can, if the issuer reports authorized users to the credit bureaus and the account is managed well.
Can an authorized user hurt my child's credit? Yes. Late payments or high balances on the account can show up on their report. Only add them to an account in good standing.
Does my child need to use the card? No. The history can help even if they never make a purchase.
Build a family plan for money
Strong credit is one piece of a bigger financial picture. If you want to see how families use their cash flow to get out of debt faster, including the mortgage, join our free virtual class.