How to Get a Cosigner: Who Qualifies, Documents, and Release

To get a cosigner, you need to find someone with strong credit and stable income who is willing to take on legal responsibility for your debt if you can’t pay, and then submit their financial information to the lender alongside your own application. Federal rules require the lender to give that person a written notice spelling out exactly what they’re agreeing to before anyone signs.¹ Knowing who qualifies, what they’re risking, and how the paperwork moves will make the ask easier and the approval faster.

Who Can Qualify as a Cosigner

Lenders evaluate a potential cosigner the same way they evaluate any borrower. A credit score of 670 or higher is a common benchmark, though some lenders set the bar higher depending on the loan type. They also look at debt-to-income ratio, which compares the cosigner’s total monthly debt payments to their gross monthly income. Most lenders want to see that ratio stay below 50 percent even after the new cosigned debt is added in.

Any legal adult can cosign. That means 18 or older in most states, though Alabama and Nebraska set the age of majority at 19 and Mississippi sets it at 21. The person must be able to enter a binding contract, and the lender will need a Social Security number or Individual Taxpayer Identification Number to pull credit and report the account. Federally backed mortgages add one more condition: the cosigner must be a U.S. citizen or have a principal residence in the United States.²

There’s no rule that a cosigner has to be family. A parent, spouse, sibling, friend, or anyone else who meets the financial requirements works. Lenders care about creditworthiness, income stability, and assets, not the relationship.

Cosigner or Co-Borrower

Before you ask anyone, be clear which role you actually need. A cosigner guarantees the debt and only pays if you default; they have no ownership stake in whatever the loan finances. A co-borrower shares equal responsibility for payments from day one and also holds ownership rights to the asset. On an FHA-backed mortgage, cosigners sign the promissory note (which makes them liable) but not the security instrument, because they don’t own the property.²

The distinction matters most on cars and houses. If the other person is meant to own part of what you’re buying, they need to be a co-borrower. If they’re just helping you qualify and want no interest in the asset, cosigning is the correct arrangement.

What to Tell the Person Before They Say Yes

The person you’re asking is taking on real legal exposure, and they deserve to hear it from you before they see it in the required disclosure. Federal law requires the lender to give every cosigner a written notice, under the FTC’s Credit Practices Rule, that spells out four things:¹

If you don’t pay, the cosigner may owe the full amount, plus late fees and collection costs.
In most states, the creditor can pursue the cosigner directly without first trying to collect from you. A handful of states require the lender to go after the primary borrower first.³
The creditor can sue the cosigner, garnish their wages, or use any other collection method it could use against you.
A default becomes part of the cosigner’s credit record.

There’s also a quieter cost. The cosigned loan shows up on the cosigner’s credit report, and future lenders may count that monthly payment against the cosigner’s own debt-to-income ratio when they apply for a mortgage, car loan, or credit card. Even if you never miss a payment, being on your loan can shrink what your cosigner qualifies for later.

Documents Both of You Will Need

Gathering everything before you apply keeps underwriting from stalling. From the cosigner, most lenders want:

Government-issued ID such as a driver’s license, passport, or state ID.
Social Security number or ITIN for the credit pull and tax reporting.
Proof of income. Two recent pay stubs covering a 30-day period is standard for salaried workers. Self-employed cosigners typically need two years of federal tax returns with any profit-and-loss schedules. W-2s from the most recent tax year are also common.
Asset documentation: bank statements, brokerage statements, or retirement account balances.
Employment history covering at least two years.

The lender will also send a cosigner-specific form or supplemental application that collects the cosigner’s assets, existing debts, and employment background. The cosigner fills this out directly. Accuracy matters, because the lender checks the answers against credit bureau records.

How the Application Moves Through Approval

Once the package is complete, it goes to the lender through whichever channel they use, usually a secure portal, encrypted email, or mail. The lender pulls the cosigner’s credit report, which counts as a hard inquiry and typically drops a score by fewer than five points for a limited time.

Verification follows. The lender confirms income, employment, and identity through independent channels, and may call or email the cosigner directly to confirm they intend to participate. Personal loan underwriting often takes just a few days; secured or more complex loans take longer. When approval comes through, both of you sign the final documents, usually electronically, and the deal is done once everyone has a fully executed copy.

Getting the Cosigner Released Later

Cosigning doesn’t have to be permanent, and it’s worth telling the person you’re asking that there’s a way out. Three routes are typical:

Cosigner release. Some lenders, particularly private student loan companies, offer a formal release after a set number of consecutive on-time payments, often 12 or more. You usually have to meet the lender’s credit and income requirements on your own at the time you apply. Check your loan agreement for whether this exists.
Refinancing. You apply for a new loan in your name alone, and it pays off the original cosigned loan. You’ll need credit and income strong enough to qualify without help.
Paying off the loan. Once the balance hits zero, the cosigner’s obligation ends.

Auto loans rarely include a built-in release, so refinancing or payoff are usually the only options there. Whichever path you take, get written confirmation from the lender that the cosigner has been released and that the account has been updated on their credit report.

What to Do If No One Will Cosign

If you can’t find someone who’s both willing and qualified, you still have options depending on what you’re financing.

Federal student loans. Direct Subsidized and Unsubsidized Loans don’t require a cosigner or, for undergraduates, a credit check. Use these before turning to private lenders.
Secured loans or secured credit cards. Putting up a cash deposit or collateral reduces the lender’s risk. Secured credit cards are a common way to start building credit from scratch.
Larger down payment. On a car or a house, more money down means a smaller loan, which can bring the application within reach on your own.
Credit-builder loans. Credit unions often offer these small loans specifically to help people establish or improve credit, which can open the door to larger financing later.

1
eCFR. 16 CFR 444.3 – Unfair or Deceptive Cosigner Practices
2
U.S. Department of Housing and Urban Development. What Are the Guidelines for Co-Borrowers and Co-Signers
3
Federal Trade Commission. Cosigning a Loan FAQs