78 William Street W

78 William Street W
78 William Street W
78 William Street W
+47
5
 bed
2
 bath
10
 parking
2500 - 3000
 sqft
Detached
$2,289,500
For Sale
54 days
 on site
$2,289,500
Click to open the pre-gallery to get the direction
Size
-
Lot size
21714 sqft
Street frontage
-
Possession
Flexible
Price per sqft
$763 - $916
Taxes
$8,602 (2024)
Parking Type
-
Style
2-Storey
See what's nearby
Description
HALF AN ACRE IN UPTOWN WATERLOO- Live grand. Live grand and sever, or develop. Welcome to 78 William St W a stately and elegant 5-bedroom home in Waterloos 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, 78 William St W presents a rare opportunity in one of Waterloo's most desirable neighbourhoods.
Broker: CORCORAN HORIZON REALTY
MLS®#: X12144851
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:
May 13, 2025
Show all details
Rooms
LevelNameSizeFeatures
Main
Kitchen
17.3 x 19.6 ft
Main
Dining Room
17.3 x 16.8 ft
Main
Family Room
16.9 x 12.4 ft
Show all
Instant estimate:
orto view instant estimate
$82,415
lower than listed price
i
High
$2,287,374
Mid
$2,207,085
Low
$2,050,267
Have a home? See what it's worth with an instant estimate

Use our AI-assisted tool to get an instant estimate of your home's value, up-to-date neighbourhood sales data, and tips on how to sell for more.

About 78 William Street W

Located at 78 William Street W, this Waterloo detached house is available for sale. It has been listed at $2289500 since May 2025. This 2500-3000 sqft detached house has 5 beds and 2 bathrooms.

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) a 3-minute walk.