Average sale price, Waterloo
$734,493 (down 4.6% in a year)As of October 2026.Source
Waterloo sales, and change from October 2025
114 (up 2.7%)As of October 2026.Source
Months of supply and days to sell, Waterloo
3.5 months, 28 daysAs of October 2026.Source
Population of Waterloo, and growth since 2016
121,436 (up 15.7%)As of 2021 Census.Source
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Waterloo is a small city that grew fast. A rapid rise in population, two universities and a thin month of sales make its numbers jumpy, and that matters when you are working out how much a lender will count.

Waterloo’s 114 sales and a $734,493 average

As reported by ViewHomes, citing the Cornerstone Association of REALTORS and ITSO data, Waterloo had 114 sales in October 2026, up 2.7% on a year earlier and the only one of the region’s three main cities to sell more homes. The average price eased 4.6% to $734,493, the highest of the three. The report warns that, with a sample this small, a few higher or lower priced sales can move the average a long way.

Supply tightened. New listings fell 26.7% to 187, and months of supply came down 23.9% to 3.5. Homes sold in 28 days, the fastest in the region and 24.3% quicker than a year before.

For comparison, Kitchener averaged $664,950 and Cambridge $701,106 that month.

A fast-growing city with a student segment

Five years earlier Waterloo had 104,986 people. By the 2021 Census it had 121,436, a rise of 15.7%. The Region of Waterloo had 587,165. The same market report says the student rental market tied to the two universities remains its own segment.

If you own a house that is partly or fully rented, lenders may ask about leases and income, and they may treat the property differently from an owner-occupied home. Read second mortgages on rental property before you apply.

A $500,000 balance and a $560,000 rental balance

Take the 80% limit the Financial Consumer Agency of Canada describes and apply it twice. The first example above, an owner at the average price with $500,000 owing, has $87,594 of room. The second, a rental owner with $560,000 owing, has $27,594, and a $40,000 loan overshoots by $12,406.

A 4.6% fall in value, the size of the annual move in the average, would take $734,493 to $700,706 and 80% of it to $560,565. That would leave the second example with $565 of room. Falling values bite hardest when the margin is already thin. Test your numbers on the calculator.

Why a small sample matters

Waterloo’s 114 sales were about 23% of the region’s 489, and new listings of 187 compare with 529 in Kitchener and 219 in Cambridge. With so few sales, one expensive home matters. As a made-up illustration, if one extra $1,500,000 home sold in October, the average of 114 sales at $734,493 would rise to about $741,150, a $6,657 jump from a single sale.

That is why we ask you to treat the monthly average as a rough guide. A lender’s appraiser looks at comparable sales near your home, not at a citywide figure. Ask for the comparables that were used, and compare them with what you expected before you accept an offer based on them.

Growth compared with the neighbours

Waterloo’s 15.7% census growth is faster than Kitchener’s 10.1% and the Region of Waterloo’s 9.7%. The townships nearby grew more slowly: Woolwich had 26,999 people, up 8.0%, Wilmot 21,429, up 4.3%, and Wellesley 11,318, up 0.5%. Fast growth is a fact about the past five years. It does not mean the next appraisal will come in higher, and Waterloo’s average price fell 4.6% over the year to October 2026.

If your home is a rental, ask a lender early how it values rental income and whether a tenant in place changes the offer.

Fees and other uses for the equity

Ontario’s land transfer tax applies when property is bought, and we found no such line for registering a second mortgage on a home you own. Expect the lender’s fee, a broker fee, legal costs, an appraisal and the registration fee, set out on the Ontario page.

If the money is for repairs or improvements, see renovation borrowing. If you want to use equity to buy another property, using equity for a down payment explains the extra risks, since you will owe on both.

Checking the licence on a Waterloo file

Ontario private lenders sit behind Level 2 agents and brokers. Look up the licence number on FSRA’s register before you share anything.

With your Waterloo figures drafted, ask for a licensed professional’s review. The Kitchener and Hamilton pages cover nearby markets.

A Waterloo home at the October 2026 average with $500,000 owing

The $734,493 value is the October 2026 average sale price for Waterloo, from data republished from the Cornerstone Association of REALTORS, used as a stand-in for an appraisal. The $500,000 first mortgage and $60,000 loan are made up. The 80% ceiling is the one the Financial Consumer Agency of Canada describes.

Home value used
$734,493
80% of the home value
$587,594

$734,493 times 0.8, rounded

Room under the ceiling
$87,594

$587,594 minus $500,000

Combined loan-to-value with a $60,000 loan
76.2%

$560,000 owed on $734,493

Room left after the $60,000 loan
$27,594

The loan fits. The cushion that remains is about 31% of the original room.

Illustration only. The figures are made up to show the arithmetic. They are not a quote, a rate or an offer.

A Waterloo investor with a bigger balance wanting $40,000 for repairs

The $734,493 value is the same October 2026 average, used as a stand-in for an appraisal. The $560,000 first mortgage and the $40,000 loan are made up, and the property is imagined as a rental.

Home value used
$734,493
80% of the home value
$587,594

$734,493 times 0.8, rounded

Room under the ceiling
$27,594

$587,594 minus $560,000

Combined loan-to-value if the full loan were made
81.7%

$600,000 owed on $734,493

Amount the loan exceeds the room by
$12,406

Equity is $174,493, yet the loan is $12,406 beyond the usual ceiling. A smaller loan or a different structure is needed.

Illustration only. The figures are made up to show the arithmetic. They are not a quote, a rate or an offer.

Questions people ask

Why is 114 sales a problem for Waterloo's average price?

With few sales, a handful of unusually expensive or cheap homes can swing the average. Waterloo's fell 4.6% in October 2026, but the report itself warns that a small sample can move it far. Prefer a benchmark or your own appraisal.

Do Waterloo's student rentals affect second mortgage lending?

The October 2026 market report calls the student rental market tied to the two universities its own segment. If your property is a rental, a lender will want to see its income and the tenancy. Read the rental property page before applying.

Waterloo grew 15.7% in five years, so does my equity grow too?

Not automatically. Growth raises demand, but Waterloo's average fell 4.6% over the year to October 2026. Your equity is today's appraised value minus what you owe, and growth in the census does not change that arithmetic.

Are Waterloo homes selling faster than in Kitchener?

In October 2026 Waterloo homes sold in 28 days, the fastest in the region and down 24.3% from a year earlier, while Kitchener took 31. Fast sales ease a lender's resale worry, though they say nothing about your specific property.

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Sources