Cosigning a Mortgage: What Both Sides Should Know

Sometimes a buyer is close to qualifying for a mortgage but needs a little extra help, perhaps because of limited credit history, a high debt-to-income ratio or income that does not quite stretch far enough. A family member or close friend may offer to cosign. It can be a generous way to help someone become a homeowner, but it is a serious financial commitment for everyone involved.

What Cosigning Really Means

A cosigner agrees to be legally responsible for the mortgage. If the primary borrower misses payments or stops paying entirely, the lender can look to the cosigner to cover the debt. That is the whole point: the cosigner’s income and credit give the lender more confidence in the loan.

It is important to understand that the cosigner is not a backup in name only. Late payments can show up on the cosigner’s credit report, and the loan typically counts toward their debt-to-income ratio, which may make it harder for them to borrow in the future.

How Lenders Evaluate a Cosigner

When a cosigner is added, the lender reviews both people’s finances. That usually includes:

• Credit scores and credit history
• Income and employment
• Monthly debts and debt-to-income ratios
• Assets and reserves

A cosigner with strong credit and income can help, but they cannot erase every problem. The lender still looks at the full picture.

Rules Vary by Loan Program

Each loan program has its own guidelines for cosigners, sometimes called non-occupant co-borrowers.

• Conventional loans: in some cases, a cosigner can be on the loan without being on the property title, which means the person living in the home may be the only owner.
• FHA loans: generally require the cosigner to sign the loan and take title, and there are rules about who can serve, often favoring relatives, with documented close relationships sometimes accepted.

Your loan officer can explain exactly what applies in your situation, since requirements can be detailed.

What Cosigners Should Think About

Before agreeing to cosign, ask yourself some honest questions:

1. Could I afford the full payment if the borrower could not?
2. How would this affect my own plans to borrow, such as buying a car or refinancing my home?
3. Am I comfortable having this debt on my credit report for years?
4. How would a missed payment affect our relationship?

Money problems can strain even the closest relationships. If the answer to any of these questions gives you pause, take time before committing.

Set Expectations Up Front

If you move forward, talk openly about how you will handle the loan. Some practical steps include:

• Agreeing on how the cosigner will know payments are made on time, such as online account access or shared statements
• Asking the lender or servicer how they communicate with cosigners
• Discussing what happens if the borrower runs into trouble
• Planning for how the cosigner might eventually be released, often through a future refinance once the borrower qualifies alone

A Note for Borrowers

If someone agrees to cosign for you, treat it as the trust it is. Build a budget with room to spare, set up automatic payments and keep an emergency fund so a surprise expense does not put your cosigner at risk. Keep them updated, and work toward refinancing into your own name when you can.

Alternatives Worth Exploring

Cosigning is not the only path. Depending on the borrower’s situation, these options may help:

• FHA loans, which allow 3.5% down with a 580 or higher credit score
• VA loans for eligible veterans and service members, with $0 down for those with full entitlement
• USDA loans for eligible rural and suburban buyers
• Down payment assistance or first-time buyer programs
• Waiting a few months to pay down debt or build credit

Thinking about cosigning or asking someone to cosign? A FLO Mortgage loan officer can help both of you understand the options. Reach out to our team to talk it through.

This article is for general education and is not a commitment to lend. All loans are subject to credit approval, underwriting guidelines and program availability. FLO Mortgage, Company NMLS #1835856. Equal Housing Opportunity.