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Summary: To find the best mortgage rate in Ontario, start with a mortgage calculator to set a realistic budget, understand which mortgage type you qualify for, decide between a fixed and a variable rate, and work with a trusted mortgage broker who can shop multiple lenders for you. The best rate usually goes to borrowers with a strong credit score and a larger down payment.
How do you find the best mortgage rate in Ontario?
For many people a mortgage is the largest debt they will ever take on, so a small difference in rate adds up to real money over the life of the loan. There is no single best rate for everyone: the rate you are offered depends on your credit score, down payment, income, and the type of mortgage you choose. The steps below walk through how to put yourself in the best position and compare your options.
How can a mortgage calculator help?
A mortgage calculator (the federal Financial Consumer Agency of Canada offers a free one) lets you estimate your monthly payment and test different scenarios before you start shopping, so you can set a realistic price range. Adjust the inputs to see how the payment changes. A typical calculator asks for:
Purchase price: the cost of the home being purchased
Down payment: the amount you pay upfront
Property taxes: the tax paid annually by the owner
Loan term: the total time you have to pay back the loan
Interest rate: the cost to borrow the money
Insurance: your annual cost to insure the home and belongings
Maintenance: annual cost to maintain the home
What types of mortgages can you qualify for?
Mortgages generally fall into two categories: prime and subprime (in Canada these are often called A-lender and B-lender mortgages). The type you qualify for depends on your credit score, employment history, and debt-to-income ratio.
Prime mortgages are for borrowers lenders consider lower risk, typically those with a good credit score and a sizeable down payment. Because these borrowers are less likely to default, lenders offer them lower interest rates. If you want the best possible rate, you will need to qualify as a prime borrower.
Subprime mortgages are for borrowers who do not meet the prime criteria, usually because of a lower credit score or a smaller down payment. The lender takes on more risk, so the interest rate is higher. If you only qualify here, it is often worth taking steps to improve your credit score and save a larger down payment before buying.
Should you choose a fixed or variable rate?
This decides whether your interest rate, and your payment, stays the same or moves over the term. A fixed-rate mortgage keeps the same rate for the whole term, which makes budgeting predictable, but it is usually offered at a slightly higher starting rate. A variable-rate mortgage usually starts lower, but the rate can rise during the term and push your payment above what a fixed rate would have cost. The lowest starting number is not automatically the cheapest over the full term, so weigh the certainty of a fixed rate against the potential savings, and risk, of a variable one.
Should you work with a mortgage broker?
A mortgage broker's job is to find the best mortgage product for your needs. A reputable broker knows current market conditions and has a network of lenders to compare, which can save you time and surface deals you would not find on your own. Brokers can also help with refinancing, accessing equity, and financing investment properties. For most buyers, working with a trusted broker is the simplest way to compare several lenders at once and land the best rate available to you.
Finding the best rate takes time, but the interest you save makes it worth the effort. Because rates move with the market, it helps to stay current on where they are trending, and a good broker can keep you informed and set realistic expectations.
Frequently asked questions
What gets you the best mortgage rate?
The lowest rates go to lower-risk borrowers: a strong credit score, a larger down payment, stable income, and a manageable debt load. Qualifying as a prime (A-lender) borrower is what unlocks the best advertised rates.
Is a fixed or variable rate better?
Neither is always better. A fixed rate gives you a predictable payment for the term; a variable rate often starts lower but can rise. Choose based on how much rate certainty you want and how much payment fluctuation you can absorb.
Do I need a mortgage broker to get a good rate?
No, but a broker compares many lenders for you and often has access to deals you would not find alone, which usually saves time and money. You can also go directly to your bank or a lender if you prefer.
What is the difference between a prime and a subprime mortgage?
A prime (A-lender) mortgage goes to lower-risk borrowers and carries a lower rate. A subprime (B-lender) mortgage is for borrowers who do not meet prime criteria and comes with a higher rate to offset the lender's risk.
Does my credit score affect my mortgage rate?
Yes. A higher credit score signals lower risk and helps you qualify for prime rates. If your score is low, improving it before you apply can meaningfully lower the rate you are offered.
About the author
Liam Seston is a content writer at Ownright who covers mortgages, closing costs, and the parts of buying a home that trip people up.
At Ownright, we focus entirely on Ontario residential real estate law. Once you have your mortgage sorted, we help with the legal side of your purchase, refinance, or sale, pairing a simple online platform with licensed Ontario lawyers. You can start your closing online or get in touch with any questions. For related reading, see our guides on fixed vs. variable rate mortgages, the costs involved in a real estate transaction, and first-time home buyers in Ontario.
Important note: This article is not legal or financial advice. No one should act, or refrain from acting, based solely on the information in this post without first seeking appropriate professional advice.
