Co-Signing a Mortgage in Canada: Pros, Cons & What to Expect

Diane Buchanan • June 17, 2026

Co-Signing a Mortgage in Canada: Pros, Cons & What to Expect

Thinking about co-signing a mortgage? On the surface, it might seem like a simple way to help someone you care about achieve homeownership. But before you sign on the dotted line, it’s important to understand exactly what co-signing means—for them and for you.


You’re Fully Responsible

When you co-sign, your name is on the mortgage—and that makes you just as responsible as the primary borrower. If payments are missed, the lender won’t only go after them; they’ll come after you too. Missed payments or default can damage your credit score and put your financial health at risk.


That’s why trust is key. If you’re going to co-sign, make sure you have a clear picture of the borrower’s ability to manage payments—and consider monitoring the account to protect yourself.


You’re Committed Until They Can Stand Alone

Co-signing isn’t temporary by default. Even once the initial mortgage term ends, you won’t automatically be removed. The borrower has to re-qualify on their own, and only then can your name be taken off. If they don’t qualify, you stay on the mortgage for another term.


Before agreeing, talk openly about expectations: How long might you be on the mortgage? What’s the plan for eventually removing you? Having these conversations upfront prevents surprises later.


It Affects Your Own Borrowing Power

When lenders calculate your debt service ratios, the co-signed mortgage counts as your debt—even if you never make a payment on it. This could reduce how much you’re able to borrow in the future, whether it’s for your own home, an investment property, or even refinancing.

If you see another mortgage in your future, you’ll want to consider how co-signing could limit your options.


The Upside: Helping Someone Get Ahead

On the positive side, co-signing can be life-changing for the borrower. You could be helping a family member or friend buy their first home, start building equity, or take an important step forward financially. If handled with clear expectations and trust, it can be a meaningful way to support someone you care about.


The Bottom Line

Co-signing a mortgage comes with both risks and rewards. It’s not a decision to take lightly, but with careful planning, transparency, and professional advice, it can be done responsibly.


If you’re considering co-signing—or want to explore safer alternatives—let’s connect. I’d be happy to walk you through what to expect and help you decide if it’s the right move for you.


DIANE BUCHANAN
Mortgage Broker

LET'S TALK
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By Diane Buchanan • October 21, 2026
Mortgage Options During Divorce or Separation: What You Should Know If you’re going through—or considering—a divorce or separation, you may not realize that there are mortgage solutions specifically designed to help one party keep the home . For many people, the family home is their largest asset and where most of their equity is tied up. In situations like this, a spousal buyout program can allow one person to refinance the property and buy out the other party’s share—often up to 95% of the home’s value . This option can work whether you want to keep the home or your former partner does. What Is the Spousal Buyout Program? The spousal buyout program is a refinancing option that allows one owner to purchase the other owner’s share of the property as part of a separation or divorce settlement. In some cases, it can also be used to pay off jointly held debts, as outlined in a legal agreement. Below are some of the most common questions about how the program works. Is a finalized separation agreement required? Yes. Lenders require a signed and finalized separation agreement that clearly outlines how assets and debts are to be divided. This document is essential for approval. Can the funds be used for renovations or personal debts? No. Funds from a spousal buyout can only be used to: Buy out the other owner’s share of equity Pay off joint debts specifically listed in the separation agreement They cannot be used for renovations, personal loans, or unrelated expenses. How much equity can be accessed? The maximum amount available is the amount required to: Buy out the other party’s agreed-upon share of equity Pay off any joint debts listed in the agreement This amount cannot exceed 95% loan-to-value . What is the maximum loan-to-value allowed? The maximum loan-to-value is the lesser of : 95%, or The remaining mortgage balance plus the required buyout and joint debt payout The property must be the primary owner-occupied residence . Do all parties need to be on title? Yes. All individuals involved in the buyout must currently be registered on title. Your solicitor will confirm this through a title search. Does this only apply to married or common-law couples? No. While commonly used for married or common-law couples, the program may also apply to siblings or friends who jointly own a property and need one party to exit the mortgage. These cases are typically reviewed on an exception basis and require insurer approval. If no separation agreement exists, the purchase contract must clearly outline the buyout terms. Is a full appraisal required? Yes. A physical, on-site appraisal is required to confirm the property’s value before the mortgage can be finalized. Final Thoughts This overview covers some of the most common questions about mortgage options during separation or divorce, but every situation is different. Working with an independent mortgage professional gives you access to multiple lenders, specialized programs, and unbiased advice—so you can clearly understand your options and choose what’s best for your future. If you’re navigating a separation and need guidance around keeping or selling the home, feel free to connect anytime. All conversations are handled with discretion and confidentiality, and I’d be happy to walk you through your options.