88 William Street, Waterloo, ON

$1,788,888
MLS#:X12342422
5 beds
4 baths
3500-5000 sqft
6.0 parking
Residential Freehold
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Property Highlights

Welcome to this remarkable 2-Storey detached located in the coveted neighborhood of Waterloo. Expertly crafted featuring premium brick construction, this residence presents an exceptional opportunity offered at $1,788,888 to acquire a beautiful home in a highly sought-after setting. Designed for both comfortable daily living and elegant entertaining, the layout maximizes natural light, functional flow, and lifestyle utility.

  • 5 Bedrooms and 4 Bathrooms
  • Generous living space spanning 3500-5000 sqft on a premium 110.17 x 235.61 ft lot
  • Features a unfinished basement, adding superb versatility for recreation, a home gym, or extra storage
  • 6.0 total parking spaces available with a convenient attached configuration
  • Notable attributes: Water Heater, Water Heater Owned, Water Softener
  • Efficient water heating via gas

Description

Welcome to 88 William Street West THE HILLIARD HOUSE! A TRUE GEM in Waterloos storied past, this MAJESTIC YELLOW BRICK LANDMARK has stood proudly since 1875, masterfully blending VICTORIAN GRANDEUR with modern comforts. Spanning nearly 3,800 SQ FT of FINISHED SPACE, this TWO-STOREY MASTERPIECE exudes TIMELESS CHARM at every turn. Enter through the ELEGANT CURVED FRONT PORCH and be transported to an era of craftsmanship and sophistication. Soaring ceilings, ORIGINAL HARDWOOD FLOORS, and STUNNING STAINED GLASS WINDOWS bathe the interiors in a kaleidoscope of color. GRAND FIREPLACES, intricate woodwork, and SUNLIT SITTING ROOMS create an ambiance of warmth and refinement. Host unforgettable gatherings in the FORMAL DINING ROOM, find inspiration in the MAIN-FLOOR LIBRARY & STUDY, or unwind in one of the homes many HISTORIC LIVING SPACES. The LIGHT-FILLED KITCHEN is a chefs delight, featuring GRANITE COUNTERS, a GAS STOVE, and an abundance of cabinetry, with a walkout to the rear deckIDEAL FOR ENTERTAINING. Step outside to your PRIVATE BACKYARD OASIS, complete with a SPARKLING 20x40 CONCRETE POOL. Up the GRAND BALUSTER STAIRCASE, discover the PRIMARY SUITE, boasting a DECORATIVE FIREPLACE, STAINED GLASS accents, a WALK-IN CLOSET, and a full ENSUITE with a separate tub and GLASS-ENCASED SHOWER. Four additional bedrooms, two more ensuites, and a WALKOUT TO THE UPPER VERANDAH offer space and luxury for all. Nestled in the sought-after OLD WESTMOUNT AREA and near THE MARY ALLEN NEIGHBOURHOOD, this home is just moments from UPTOWN WATERLOOS vibrant cafés, boutiques, parks, and top-tier schools. Whether youre a lover of HISTORY, ARCHITECTURE, or simply crave a home with SOULTHE HILLIARD HOUSE is a RARE OPPORTUNITY to own a piece of WATERLOOS LEGACY. YOUR CHAPTER IN THIS EXTRAORDINARY HOME STARTS HERE!

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Property Summary

This detached home located at 88 William Street, Waterloo is currently for sale and has been available on SousaSells for 337 days. This property is listed at $1,788,888 with an estimated mortgage of $5,955* per month. It has 5 beds, 4 bathrooms, and is 3500-5000 square feet. 88 William Street, Waterloo

* Estimated mortgage assumes a 30% down payment, 4.00% interest rate, and 30-year amortization.

Key Features

Bedrooms
5
Bathrooms
4
Kitchens
1
Living Area
3500-5000 sqft
Property Type
Residential Freehold

Additional Details

StatusSold
Sold DateSeptember 16, 2025
Sold price information is available to members only
Listed Date8/13/2025
Transaction TypeFor Sale

Property Details

Property Sub-TypeDetached
Architectural Style2-Storey
ConstructionBrick
BasementUnfinished
Lot Size110.17 × 235.61 Feet
CountyWaterloo
Annual Tax$9,954.68
Legal DescriptionPART LOT 14, PLAN 497 CITY OF WATERLOO, PART 1, PLAN 58R21880 CITY OF WATERLOO

Parking & Garage

Parking Spaces6.0
Garage Spaces4
Garage TypeAttached

Heating & Cooling

Heat SourceGas
Heat TypeWater
CoolingNone

Features

Property Features

Park, Public Transit, School

Interior Features

Water Heater, Water Heater Owned, Water Softener

Security Features

Community Features

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Location

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88 William Street, Waterloo, ON

Property History

No historical data available for this property.

This could be the first listing for this address.

Pricing & Value Insights

Data-driven valuation for 88 William Street W, Waterloo, ON N2L 1J7

Estimated Sales Range
$1.2M - $1.4M

Based on 0 recent similar sales in the pocket.

Market Speed
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Properties in this area are selling at a steady pace.

Market Trend
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Mortgage & Affordability Audit

Calculate your monthly payment, minimum downpayment, and land transfer taxes for this home in Waterloo.

Configure Loan Settings

Interest Rate4.00%
Down Payment$536,666 (30.0%)
* Minimum Canadian down payment required for this price is $357,778.
Amortization Period30 Years
Estimated Monthly Payment$5,955Based on a loan of $1,252,222 over 30 years.
Purchase Price$1,788,888
Loan Amount$1,252,222
Provincial Land Transfer Tax:$32,253
Total Estimated Closing Taxes:$32,253

About Purchasing a Home in Waterloo, ON

For a property listed at $1,788,888 in Waterloo, the legal minimum down payment is $357,778 under current Canadian banking regulations. This calculation applies a 5% requirement on the first $500,000, 10% on the next $499,999, and a flat 20% on any amount exceeding $1,000,000.

Additionally, buyers in Ontario must budget for the Provincial Land Transfer Tax, which is estimated at $32,253 for this transaction. As this listing is in Waterloo (outside the City of Toronto), no additional municipal land transfer tax is levied, resulting in total estimated land transfer taxes of $32,253.

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City & Neighborhood Guide

Comprehensive city-wide demographics, local real estate stats, and school rankings for Waterloo.

Verified Local Data
City Population575,847
City Median Age38 Yrs
City Ownership65% Owners
Avg Area List Price$772,552

People & Families

Age Distribution

Household Composition

One-person households
25%
Families with children
45%
Couples without children
28%
Other households
3%

Top Ethnic Origins

English18%
German17%
Scottish15%
Irish15%

Local Schools Guide

Elementary Schools

Our Lady of Lourdes
Public55 Roslin Avenue South, Waterloo, Ontario, N2L 6N5
5.0
Elizabeth Ziegler
Public90 Moore Avenue South, Waterloo, Ontario, N2J 1X2
6.3
Winston Churchill
Public100 Milford Avenue, Waterloo, Ontario, N2L 3Z3
5.5
L'Harmonie
Public158 Bridgeport Road East, Waterloo, Ontario, N2J 2K4
6.5
Keatsway
Public323 Keats Way, Waterloo, Ontario, N2L 5V9
4.8

Secondary Schools

St. David
Catholic4 High Street, Waterloo, Ontario, N2L 3X5
8.0
Bluevale
Public80 Bluevale Street North, Waterloo, Ontario, N2J 3R5
7.0

Homes & Housing

Structural Home Types

Tenure (Ownership vs Rental)

Owner-Occupied65%
Rented35%

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Notice: Market Insights are generated by analyzing real-time data and should be used for informational purposes only. Consult with a licensed professional for exact valuations.

Disclaimer: AI Insights are generated by an automated system and should be used for informational purposes only. While we strive for accuracy using current market data and deep-learning models, these assessments do not constitute professional real estate, legal, or financial advice. All property values, predictions, and scores are estimates. We strongly recommend verifying all property details and conducting independent due diligence with a licensed professional before making any purchase decisions.