For Sale

78 William Street, Waterloo, Ontario N2L 1J7

$1,790,000

78 William Street, Waterloo, Ontario N2L 1J7 is For Sale and has a listing price of 1,790,000. The property is located in the Laurentian West neighbourhood . It's been on the website for 20 Days.

  • Detached
    Property Type
  • 5
    Bedrooms
  • 2
    Bathrooms
  • Parking
  • MLS ID: X12362824
  • Office Name CORCORAN HORIZON REALTY
Property Description

HALF AN ACRE IN UPTOWN WATERLOO- Live grand. Live grand and sever, or develop. Welcome to 78 William St Wa 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 offer sample 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.

Property Details
  • Property Type: All Houses
  • Listing Type: For Sale
  • Listing ID: X12362824
  • Price: $1,790,000
  • View: Sea
  • Year Built: 0
  • Lot Area: 0 Sqft
  • Lot Depth: 329
  • Ref ID: X12362824
  • Approx Sqft: 2500-3000
  • Dir / Cross St: Westmount Rd S
  • Status: Active
  • Tax Year: 2024
  • Approx Age: 100+
  • Property Type: Detached
  • Property Sub Category: Detached
Price History
List Date MLS ID List Price Status End Date Closed Price
08/25/2025 X12362824 $1,790,000 For Sale - -
05/13/2025 X12144851 $2,289,500 Cancelled 08/21/2025 -
Market Temperature
  • Buyer's Market
  • Balanced
  • Seller's Market
Neighborhood Stats
Laurentian West
  • $773,727 Average List Price
    based on 1 year
  • 54 New Listings
    based on 30 days
  • 25 Median Days on Market
    based on 1 year
  • List vs. Selling Price 2.45 % Below
  • Sold (12mo) 65
  • Rented (12mo) 34

  • 1 Month Change -100.0%
  • 3 Month Change -
  • 6 Month Change -100.0%
Walkscore
Additional Details
  • Heat Type Radiant
  • Heat Source Gas
  • Style 2-storey
  • Washroom Type1: 1
  • Garage Type Detached
  • Parking Spaces: 9
  • Exterior Brick
  • Kitchen Y
  • Fireplace Y
  • Parking Y
  • Family Room: 1
  • Washrooms Type 1 # Pcs: 2
  • Washrooms Type 2 # Pcs: 3
  • Washrooms Type 2: 1
  • Taxes: $8,602
  • Last Status New
  • Original Price: $1,790,000
  • Sold Price: $0
  • Addl Monthly Fees: $0
  • Possession Remarks: Flexible
  • Listing Entry Date: 25/08/2025 17:08:49
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