What does it mean to co-sign a mortgage?

Jordann Brown
by Jordann Brown January 13, 2020 / No Comments

As Canadian homes become less affordable, homebuyers are finding it increasingly hard to afford their ideal home. This unaffordability is often made worse by other factors, such as low cash flow, temporary employment, or a lack of credit history.

In these cases, a third party can step in and provide security for the loan, addressing lender concerns about the primary borrower being unable to pay it back. This practice is called co-signing, and is available on a variety of loans, including mortgages.

Related: Can you afford a one million dollar home?

What is co-signing a mortgage?

When you co-sign a mortgage, you’re promising to pay the monthly mortgage payments if the primary borrower can’t. You essentially become the co-borrower, and you take on partial responsibility for the mortgage. Co-signing a mortgage is a big risk for the co-signer, so it mostly happens between family members. For instance, parents might co-sign for their children, adult children can co-sign for retired parents, or siblings may co-sign for each other.

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When would a mortgage applicant need a co-signer?

Historically, co-signing a mortgage was used when borrowers had poor credit. The two most common examples would be a new graduate with either poor credit or a short employment history. In this case, a co-signer was required for a first-time home purchase. Another example would be a borrower who has had trouble making payments on loans in the past, which has damaged their credit history.

Even in today’s real estate market, with some of the best mortgage rates in history on offer, there are still reasons to co-sign a mortgage. Rising home prices, low wage growth, and strict lending criteria can leave potential buyers short of what they need to secure a purchase. A co-signer adds their financial weight to an application, allowing the primary borrower to qualify for a mortgage they otherwise couldn’t obtain.

Should you co-sign a loan?

Think carefully before committing to co-sign on a loan. In most cases, co-signing on a loan makes you a co-borrower, which means you’re buying the home alongside the primary borrower. Being a co-borrower means you’ll be responsible for the loan if the primary borrower defaults. This is a huge responsibility, and is the reason why most co-signing is limited to parent-child relationships.

Other people in your life may approach you about co-signing on a loan, and you should think very carefully before agreeing. Remember, you’re never under any obligation to co-sign on a loan. If you have any concerns about whether the primary borrower can make their mortgage payments on time, you should address them upfront.

Can you co-sign a mortgage?

Beyond whether you should co-sign a mortgage, also consider whether you can. As a co-signer, your finances will be under the microscope just as much as the primary borrower’s. That means your income, debt, and credit score will all be scrutinized by the lender to determine if you’re able to pay off the loan. If you have a high debt load, bad credit, or no income, you generally won’t be considered a candidate to co-sign a mortgage.

What’s the difference between a co-signer vs guarantor?

When you co-sign on a mortgage you become a co-borrower, similar to how you might buy a home with a spouse or partner. Both credit histories are considered, and the income of both applicants is used to secure the loan. The co-signer is part owner of the home, and the lender will hold the co-signer responsible if the primary borrower can’t make their monthly mortgage payments.

A guarantor, on the other hand, vouches for the primary lender and guarantees the loan in the event the primary borrower defaults, but does not share in the title of the home. Guarantors are less common than co-signers.

It’s also worth noting the differences between a co-signed mortgage and a joint mortgage. While a co-signer can own a stake in the home, it’s a more arm’s length arrangement, while a joint mortgage typically involves some level of co-habitation (though not always).

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Things to do when you co-sign a mortgage

Co-signing a mortgage is a big responsibility, and could cause you financial harm if the primary borrower defaults. For this reason, it’s important to do your due diligence. Here’s what you should do when you become a mortgage co-signer in Canada.

  • Get copies of the paperwork: Read everything before signing, and keep copies of the paperwork for your records.
  • Require access to mortgage account information: Since late payments will affect your credit score, it’s important to ensure the mortgage is paid on time every month.
  • Get insurance: Talk to the primary borrower about obtaining mortgage life insurance – or suitable term life insurance – to cover the debt in the case of death or disability.
  • Understand the legal side of things: Your taxes and estate may be impacted by becoming a co-signer. Make sure to speak with a real estate lawyer to fully understand the implications of such an undertaking.

Should you get a co-signer for your mortgage?

If you’re looking to purchase a home and have any of the circumstances above that make it difficult to obtain a mortgage, consider all aspects of your finances before using a co-signer. Consider why you were denied for a mortgage in the first place: Is it because you have too much debt, or a history of defaulting on loans? If this is the case, take steps to fix these problems before leaping into homeownership.

To avoid the need for a co-signer, you might want to reconsider what mortgage you can actually afford. Use our Canada mortgage calculator to determine how much you can afford to pay every month, and work backwards from there.

If you’re being denied a mortgage on other grounds, such as not having had time to establish a credit history yet, a co-signer could be a good way to move forward with your home purchase.

The bottom line

Co-signing on a loan is a significant financial risk, so you should consider the implications carefully before moving forward. Make sure you have complete confidence in the primary borrower, and that you can manage if they can’t make their monthly mortgage payments. If you’re looking to recruit a co-signer on your mortgage, consider how much you’re actually asking of them, and whether there’s a better way to afford the home you want. As long as both parties take their time in making a decision, co-signing can often be the helping hand a family needs to afford the home of their dreams.

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