$1,397,888

78 William Street W, Waterloo, ON N2L 1J7

, Waterloo,

| | | 3,000 sq.ft. | Year Built: 100+ |

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HALF AN ACRE IN UPTOWN WATERLOO! Live grand, sever the lot, or explore development potential. 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, 78 William St W presents a rare opportunity in one of Waterloo's most desirable neighbourhoods.

Property Info
MLS®: X12862388
Listing Courtesy of CORCORAN HORIZON REALTY
Total Bedrooms 5
Total Bathrooms 2
Basement 1
Floor Space 2500-3000 sq.ft.
Lot Size 21714 sq.ft.
Style 2-Storey
Last Updated 2026-03-09
Property Type House
Listed Price $1,397,888
Unit Pricing $466/sq.ft.
Tax Estimate $9,261/Year
Year Built 100+
Rooms
More Details
Exterior Finish Brick
Parking Cover 1
Parking Total 9
Water Supply Municipal
Foundation Sewer
Summary
    Location and General Information
  • HoldoverDays: 60
  • Architectural Style: 2-Storey
  • Property Type: Residential Freehold
  • Property Sub Type: Detached
  • DirectionFaces: North
  • GarageType: Detached
  • Directions: Westmount Rd S to Williams St
  • Taxes and HOA Information
  • Tax Year: 2025
  • Parking
  • Parking Features: Private Double
  • ParkingSpaces: 9
  • Parking Total: 10
Interior and Exterior Features
    Bathrooms Information
  • WashroomsType1: 1
  • WashroomsType1Level: Main
  • WashroomsType2: 1
  • WashroomsType2Level: Second
  • Bedrooms Information
  • BedroomsAboveGrade: 5
  • Interior Features
  • Interior Features: Other, Water Heater
  • Basement: Full, Unfinished
  • Cooling: None
  • HeatSource: Gas
  • HeatType: Radiant
  • LaundryLevel: Lower Level
  • Exterior Features
  • ConstructionMaterials: Brick
  • Roof: Asphalt Shingle
  • Pool Features: None
Property
    Utilities
  • Sewer: Sewer
  • Property and Assessments
  • Foundation Details: Concrete, Stone
  • Lot Information
  • Parcel Number: 224180041
  • LotSizeUnits: Feet
  • LotDepth: 329
  • LotWidth: 66
  • Others
  • PropertyFeatures: Arts Centre, Hospital, Library, Park, Place Of Worship, Public Transit
Sold History
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OPEN HOUSES (The data is not provided by TRREB)
2026-03-14 02:00 PM - 04:00 PM
2026-03-15 02:00 PM - 04:00 PM
School Catchments
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