78 William Street W

78 William Street W
78 William Street W
78 William Street W
+45
5
 bed
2
 bath
10
 parking
2500 - 3000
 sqft
Detached
$1,599,000
For Sale
29 days
 on site
$1,599,000
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Size
-
Lot size
-
Street frontage
-
Possession
Flexible
Price per sqft
$533 - $640
Taxes
$8,602 (2024)
Parking Type
-
Style
2-Storey
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Description
HALF AN ACRE IN UPTOWN WATERLOO! Live grand and sever, or develop. Welcome to 78 William St W, a stately and elegant 5- bedroom home in Waterloo's coveted Westmount neighborhood, just two blocks from Uptown conveniences and the Region's new LRT. Thoughtfully updated while retaining its original character, the home features gracious principal rooms ideal for both everyday living and entertaining. The spacious living and dining areas flow seamlessly, enhanced by large bay windows that flood the space with natural light and showcase beautiful architectural details-including original marble fireplaces that add timeless sophistication. The bright, functional kitchen offers ample storage and prep space, while the adjacent sunroom overlooks the expansive backyard and gardens-a peaceful spot for morning coffee or unwinding at the end of the day. Upstairs, you'll find five generously sized bedrooms, each with ample closet space, providing comfort and flexibility for families, guests, or work-from-home needs. Outside, the half-acre lot is a true highlight-offering privacy, mature trees, and abundant green space for recreation, gardening, or future development. Initial planning work has been completed to allow for lot severance, creating the potential to sell part of the land, build a custom home, or develop an investment property. Zoning also permits the construction of up to three Additional Dwelling Units (ADUs) in total. Whether you're seeking a distinctive family home with historic charm or a property with outstanding future potential, 78William St W presents a rare opportunity in one of Waterloo's most desirable neighbourhoods.
Broker: CORCORAN HORIZON REALTY
MLS®#: X12479013
Property details
Parking:
10
Parking type:
-
Property type:
Detached
Heating type:
Radiant
Style:
2-Storey
MLS Size:
2500-3000 sqft
Lot front:
66 Ft
Lot depth:
329 Ft
Listed on:
Oct 23, 2025
Show all details
Rooms
LevelNameSizeFeatures
Main
Kitchen
17.3 x 19.6 ft
Second
Bedroom
8.2 x 15.1 ft
Main
Sunroom
18.1 x 12.2 ft
Show all
Instant estimate:
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$79,472
lower than listed price
i
High
$1,574,805
Mid
$1,519,528
Low
$1,411,563
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About 78 William Street W

78 William Street W is a Waterloo detached house for sale. 78 William Street W has an asking price of $1599000, and has been on the market since October 2025. This detached house has 5 beds, 2 bathrooms and is 2500-3000 sqft.

For groceries or a pharmacy you'll likely need to hop into your car as there is not much near this detached house.

If you are looking for transit, don't fear, there is a Bus Stop (William / Caroline) only a 3 minute walk.