Answers › Buying With a Family Member

My parents want to help me buy. Do they have to be on the mortgage?

Answered by Rajiv Verma, Mortgage Broker · Reviewed 18 August 2026 · About a 3 minute read

THE SHORT VERSION

• Money only? A gift letter. They take on no obligation.
• Need their income to qualify? Co-signer or co-borrower.
• A guarantor doesn’t necessarily go on title
• The structures are very different commitments — pick deliberately
• Review title and ownership with a real estate lawyer

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Start with the actual question

Do you need their money, or do you need their income? Everything follows from that, and people frequently assume they need the second when they only need the first.

If your income supports the mortgage and the only gap is the down payment, a gift keeps your parents entirely out of the borrowing. No liability, no effect on their credit, no impact on what they can borrow later.

The gift route

What’s needed: a gift letter confirming the money is a gift and doesn’t have to be repaid, plus evidence of where the funds came from and that they reached your account.

Why lenders insist on the letter: a gift that’s secretly a loan changes your debt picture. If it has to be repaid, it’s a liability the lender needs to count.

Practical note: move the money early rather than days before closing, and keep the trail. The same documentation logic applies as for any large deposit.

The co-signing route

Used when your own income doesn’t carry the mortgage. Their income is added to strengthen the application.

This is a real obligation, not a formality. The difference between a co-signer and a co-borrower matters, and so does what it does to their own borrowing ability.

Whether they go on title varies by lender and by structure — a guarantor often doesn’t need to. That’s worth confirming with the lender and a real estate lawyer, because it has consequences beyond the mortgage.

Questions worth asking before anyone signs

• Do you actually need their income, or only the down payment?
• What are their plans — retirement, downsizing, helping another child, borrowing themselves?
• Are they comfortable being legally responsible if something goes wrong for you?
• How and when does their involvement end? A refinance in a few years usually removes them — but only if you’ll qualify alone by then.
• Should they be on title, and what does that mean for tax and estate planning? That one is for a lawyer and an accountant.

When this is the wrong move

When it’s structured as co-signing to buy more house. If the mortgage only works with someone else’s income and there’s no path to carrying it yourself, the structure is hiding a problem rather than solving one.

When your parents are close to needing their own borrowing. Co-signing can quietly reduce what they qualify for.

When nobody has discussed what happens if things go wrong. Illness, job loss, a relationship ending. These conversations are far easier before the purchase than after.

What to do next

Tell me your income, what your parents are contributing, and what they’re planning for themselves. I’ll tell you whether a gift is enough — and if it is, we keep them out of the mortgage entirely.

Talk it through →

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Related questions

• What’s the difference between a co-signer and a co-borrower?
• If my parents co-sign, will it affect their own borrowing ability?
• What credit score do I need for a mortgage in Ontario?

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Answered by Rajiv Verma, Mortgage Broker · Mortgage Architects — FSRA Brokerage Licence #12728 · Licensed in Ontario · Office 289.505.0631 · Direct 647.291.7116

General information about Ontario mortgages — not financial, legal or tax advice. Title and ownership arrangements should be reviewed with a real estate lawyer, and tax implications with an accountant. Lender requirements vary. Every file is reviewed individually.