How to Get a Cosigner: Who Qualifies, Risks, and Next Steps

To get a cosigner, you need to find someone with strong enough credit and steady enough income to satisfy your lender, make sure they understand they’ll be legally on the hook if you stop paying, and submit a joint application with both of your financial documents. Lenders ask for a cosigner when your own profile falls short of their approval thresholds, and federal rules require the creditor to give that cosigner a written warning spelling out the obligation before anyone signs.¹ The rest comes down to picking the right person and moving through underwriting with the paperwork ready.

Who Can Cosign for You

The lender evaluates your cosigner the way it would 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. Lenders also look at the cosigner’s debt-to-income ratio, which compares total monthly debt payments to gross monthly income. Most want to see that ratio stay under 50 percent even after the new cosigned debt is counted in.

Any legal adult can serve. The cosigner must be able to enter a binding contract, and the lender needs a Social Security number or Individual Taxpayer Identification Number to pull credit and report the account. For federally backed mortgages, the cosigner must be a U.S. citizen or have a principal residence in the United States.²

Nothing requires a cosigner to be a relative. A parent, spouse, sibling, friend, or anyone else who meets the financial requirements can do it. The lender cares about creditworthiness, income stability, and assets, not the relationship.

One thing to confirm with the person you ask: whether they want to cosign or to co-borrow. A cosigner guarantees the debt but has no ownership stake in whatever the loan finances. A co-borrower shares payment responsibility from day one and holds ownership rights to the asset. On an FHA mortgage, for example, cosigners sign the promissory note but not the security instrument, because they have no interest in the property.² If the person you’re asking expects to own part of the house or car, you want them on as a co-borrower instead.

Make Sure Your Cosigner Understands the Risk

Before you even start the application, have an honest conversation. The person signing is agreeing to a real financial obligation, and that obligation goes well beyond a moral promise to help. Federal regulations require creditors to give every cosigner a written notice before the agreement is signed, written in plain language. Under the FTC’s Credit Practices Rule, that notice must warn the cosigner about:¹

Full liability for the debt, including late fees and collection costs if you don’t pay.
Direct collection, meaning in most states the creditor can go after the cosigner without first trying to collect from you. A handful of states require the lender to pursue the primary borrower first.³
The same enforcement tools used against any defaulting borrower, including lawsuits and wage garnishment.
Credit damage if the account goes into default.

There are practical effects too. The loan appears on the cosigner’s credit report, and the monthly payment can be counted against their debt-to-income ratio when they apply for their own mortgage or car loan later. That can shrink the amount they’re able to borrow for themselves, even if you’ve never missed a payment. Walk through this with the person before they commit.

Documents to Gather Before You Apply

Both of you will need to submit financial documentation. Collecting it up front keeps underwriting from stalling. From the cosigner, most lenders want:

A government-issued ID such as a driver’s license, passport, or state ID card.
Social Security number or ITIN for the credit check and tax reporting.
Proof of income, meaning at least two recent pay stubs covering a 30-day period for salaried workers, or two years of federal tax returns with any profit-and-loss schedules for the self-employed. W-2s from the most recent tax year are standard for employees.
Asset documentation such as bank statements, brokerage statements, or retirement account balances.
Employment history going back at least two years.

The lender will also hand your cosigner a supplemental application or set of cosigner forms. These capture current debts, assets, and employment background. The cosigner fills them out directly, and accuracy matters because the lender cross-checks against credit bureau records.

Going Through the Application Together

Once the file is complete, it goes to the lender through whatever channel they use, usually a secure portal, encrypted email, or mail.

The lender pulls the cosigner’s credit, which counts as a hard inquiry. For most people, a single hard inquiry drops a credit score by fewer than five points, and the effect is temporary. The underwriter then reviews the cosigner’s credit history, income, and debt load to decide whether the combined application clears the approval line.

Verification comes next. The lender confirms income, employment, and identity independently. Many large employers and government agencies use automated services such as The Work Number to let lenders confirm salary and tenure electronically.⁴ The lender may also call or email the cosigner directly to confirm they intend to sign. Personal loan underwriting often wraps up in a few days; secured or larger loans take longer.

After approval, both of you sign the final loan documents or lease. Most lenders use electronic signature platforms, and electronic signatures carry the same legal weight as ink under federal law.⁵ You and the cosigner should each receive a fully executed copy.

Getting Your Cosigner Off the Loan Later

Cosigning doesn’t have to last the life of the loan. Three paths are common:

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 generally need to qualify on your own credit and income at the time you apply. Check your loan agreement or ask the lender.
Refinancing. You apply for a new loan in your name alone that pays off the original. Approval depends on meeting the new lender’s credit and income requirements.
Paying off the balance. When the loan hits zero, the cosigner’s obligation ends.

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

If You Can’t Find a Cosigner

Sometimes no one in your life is willing or financially qualified to sign. You still have options depending on what you’re trying to finance.

Federal student loans. Direct Subsidized and Unsubsidized Loans do not require a cosigner, and undergraduates face no credit check. Exhaust federal options before turning to private student lenders.
Secured loans or secured credit cards. A cash deposit or collateral reduces the lender’s risk and can get you approved alone. Secured cards are a common way to start a credit file.
Larger down payment. On an auto loan or mortgage, a bigger down payment shrinks the loan amount and may push your solo application into approval range.
Credit-builder loans. Often offered by credit unions, these small loans are designed specifically to help you build or improve a credit score, which can open up larger financing later.

If the goal is to borrow independently down the road, a year or two of on-time payments and low credit utilization can meaningfully change what you qualify for.

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
4
U.S. Department of Labor. Employment Verification
5
Office of the Law Revision Counsel. 15 USC 7001 – General Rule of Validity