Co-signing makes you fully responsible for someone else’s debt: the loan appears on your credit report, its balance counts toward your debt-to-income ratio, and any late payment hurts your score too. Only co-sign an amount you could afford to repay yourself, and set up a way to see every payment.
Key takeaways
- The lender can collect from you without first trying the borrower, depending on state law and the contract.
- The account and its payment history show on both credit reports.
- Removing a co-signer usually requires the lender’s approval or refinancing.
- Alternatives: help the person build credit with a secured card, add them as an authorized user, or give a smaller gift toward a down payment.
What changes for you
| Area | Effect on the co-signer |
|---|---|
| Credit report | The loan appears as your account |
| Payment history | Late payments are reported on your file |
| Debt-to-income | The payment may count against you when you apply for a mortgage or car loan |
| Collections | If the borrower stops paying, you may be sued or sent to collections |
Before you sign
- Read the full contract and the co-signer notice.
- Ask whether the lender will notify you of missed payments; get online access to the account if possible.
- Ask about co-signer release terms and how many on-time payments are required.
- Agree in writing with the borrower on what happens if they cannot pay.
Safer ways to help
- Help them open a secured card or credit-builder loan in their own name.
- Add them as an authorized user on a well-managed card — you control the limit and can remove them.
- Teach them the basics with our 90-day first credit plan.
Frequently asked questions
Does co-signing hurt my credit score right away?
The application may cause a hard inquiry, and the new account adds debt to your report. Your score is affected most if payments are late.
Can I remove myself as a co-signer?
Usually only with the lender’s agreement, a co-signer release program or if the borrower refinances in their own name.
Is co-signing the same as being a joint borrower?
Both are legally responsible, but a joint borrower typically shares ownership of what was bought; a co-signer usually does not.
Related reading
Sources and further reading
Recommended reading from Mani Hatami
- Credit for a New Life: A Beginner’s Guide for Immigrants in America — a plain-language introduction to the U.S. credit system for newcomers.
- Reading in Persian? See Mani’s Persian credit books or download the free Farsi credit e-book.
Have a question about your own credit? Contact Mani. سوالی دارید؟ به فارسی با ما صحبت کنید.
By Mani Hatami. Reviewed November 8, 2026. Educational information, not individualized financial, legal or tax advice. Examples are hypothetical; results and product terms vary.
This article was originally published on November 8, 2026. Information may have changed. Discuss your current circumstances before making financial decisions.