5 Things You Need to Know Before You Co-Sign a Mortgage!

Carola Singer • August 28, 2019

So you're thinking about co-signing for a mortgage? Okay, do you really know what that means do you know what you are getting yourself into? Co-signing isn't necessarily a bad thing, but there is certainly a lot of misinformation floating around on the subject. Although it's nice to be in a position to help someone close to you qualify for a mortgage, It's not a decision that should be made lightly. Co-signing on a mortgage could have a significant impact on your future.

Here are some things you should consider before co-signing a mortgage application.

1. Regardless if you're the principal borrower, co-borrower, or co-signor, If you're on the mortgage, you're 100% responsible for the debt of the mortgage and everything that goes along with that. Although the term co-signor makes it sound like you are somehow removed from the actual mortgage, you have all the same legal obligations as everyone else on the mortgage.

2. If the person who you're co-signing for is unable to make the payments for any reason, you will be expected to make them on their behalf. By signing the mortgage documents, you assume full responsibility for the payments (even if it's not you making them).

3. If payments aren't being made, there is a chance the lender will take legal action against you. This includes all available collection methods such as obtaining a judgement in court or garnisheeing your wage or bank accounts. Worse case scenario, they could actually go after your property or assets in order to cover their loses. Now, this is highly unlikely, but not out of the realm of possibility.

4. Once the initial term has been completed, you will not automatically be removed from the mortgage. The person who you co-signed for will have to make a new application for the mortgage in their own name and qualify on their own merit. If they don't qualify at this time, you will be kept on the mortgage for the next term.

5. When you co-sign for a mortgage, all of the debt of the co-signed mortgage is counted against you. This means that if you're looking to buy another property in the future, you will have to include the payments of the co-signed mortgage in your debt service ratios, even though you aren't the one making the payments. This could significantly impact the amount you can borrow in the future.

If you have any questions about co-signing on a mortgage, or about the mortgage application process in general, I'd love to discuss it with you. Please don't hesitate to contact me anytime

RECENT POSTS 

By Carola Singer April 10, 2026
Your credit score is one of the most important numbers in your financial life — especially when it comes to getting a mortgage. But for most Canadians, how that number actually gets calculated remains a bit of a mystery.
By Carola Singer April 8, 2026
Why a Mortgage Pre-Approval Protects Both Your Head and Your Heart There’s no denying it—buying a home is an emotional journey. In a competitive market, it can feel like you need to stretch beyond your comfort zone or bid above asking just to have a chance. That pressure can make it hard to separate what you want from what you can realistically afford. One of the biggest pitfalls buyers face is falling in love with a home that’s outside their price range. Once that happens, every other property seems like a compromise—even the ones that might have been a perfect fit otherwise. The best way to avoid this heartache? Get pre-approved before you start shopping. What a Pre-Approval Does for You A mortgage pre-approval gives you more than just a number—it provides clarity, confidence, and protection: Know your buying power : Shop within your true price range and avoid disappointment. Spot potential roadblocks : Uncover issues like credit bureau errors before you make an offer. Get organized : Learn exactly what documentation you’ll need so there are no surprises. Lock in a rate : Many lenders hold your rate for 30–120 days, giving you peace of mind if rates rise. Save yourself heartache : Protect yourself from falling for a home you can’t afford. Head vs. Heart Buying a home is about balance. Your head tells you what’s financially sound, your heart tells you what feels right—and both matter. A pre-approval helps bring those two sides together, so you can make confident choices without emotional stress clouding your judgment. The Bottom Line Looking at properties for fun is one thing—but if you’re serious about buying, a pre-approval is the smartest first step you can take. It sets realistic expectations, saves time, and protects your emotions along the way. If you’d like to explore your options and get pre-approved, I’d be happy to walk through the process with you. Let’s make sure you’re ready to shop with confidence.