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For saleMLS® X13768732

455 William Street, Niagara-on-the-Lake, ON L0S 1J0

Town · L0S 1J0

$5,499,000

$1,100 / sq ft

1 months on market

Bedrooms
1+4
Bathrooms
5
Interior
5,000 sf
Parking
11
Lot
180 × 424.78 ft

What's special

  • Attached garage
  • Pool
  • Central air
  • Walk-out basement
  • Fireplace
  • Auto garage door remote
  • Built-in oven
  • Erv/hrv

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About this property

Experience Refined Living In This Exquisite Estate Nestled In The Heart Of Historic Niagara On-The-Lake. Set On Nearly Three Acres Of Lush, Wooded Grounds, This Custom-Built Home Embraces A Modern French Country Aesthetic And Offers Unparalleled Privacy Just Moments From The Lake. Stroll To Nearby Boutiques, Acclaimed Restaurants, Theatres, And Golf Courses, And Enjoy The Vibrant Lifestyle That Makes This Community So Sought-After. Step Through An Impressive Stone Entryway Into A Grand Foyer Illuminated By Sparkling Crystal Chandeliers, Immediately Setting A Tone Of Sophistication. The Formal Living Room Invites Cozy Gatherings Around A Beautiful Cast Stone Gas Fireplace, While The Expansive Great Room Captivates With Vaulted Ceilings, Exposed Beams, And Abundant Natural Light Streaming Through Oversized Windows. A Charming Sunroom Offers A Peaceful Sanctuary For Morning Coffee, And The Upper Deck Complete With A Gas Fireplace Creates A Perfect Backdrop For Intimate Evenings Under The Stars. The Gourmet Kitchen Is Designed To Inspire Culinary Creativity, Featuring Granite Countertops, Premium Appliances Including A Sub-Zero Refrigerator And Wolf Induction Cooktop, And A Generous Walk-In Pantry. The Main-Level Primary Suite Provides A Serene Retreat With Spacious Walk-In Closets And A Spa-Inspired Ensuite Adorned With Luxurious Finishes. The Lower Level Reveals An Entertainers Paradise With A Family Lounge, Direct Access To A Pool Deck, Sauna, Hot Tub, And A Temperature-Controlled Wine Cellar. Four Additional Ensuite Bedrooms Ensure Comfort And Privacy For Family And Guests Alike. Impeccably Landscaped Gardens Surround The Estate, Offering A Stunning Outdoor Setting Ideal For Entertaining Or Quiet Relaxation. This Extraordinary Home Seamlessly Blends Timeless Elegance With Modern Comforts, Making It Truly One Of A Kind In Niagara-On-The-Lake

Rooms

17 rooms. Dimensions as published by the listing brokerage.

Room dimensions and features
RoomLevelDimensionsFeatures
KitchenMain6.02 × 5.44 m19.8 × 17.8 ftHardwood Floor
Dining RoomMain5.69 × 4.11 m18.7 × 13.5 ft—
Living RoomMain6.63 × 5.38 m21.8 × 17.7 ft—
SunroomMain5.38 × 4.19 m17.7 × 13.7 ft—
Family RoomMain4.70 × 4.19 m15.4 × 13.7 ft—
OtherMain6.05 × 5.44 m19.8 × 17.8 ft—
LaundryMain3.78 × 2.39 m12.4 × 7.8 ft—
Primary BedroomMain6.05 × 5.44 m19.8 × 17.8 ft—
RecreationLower9.04 × 5.13 m29.7 × 16.8 ft—
Bedroom 2Lower5.89 × 4.17 m19.3 × 13.7 ft—
Bedroom 3Lower4.19 × 4.17 m13.7 × 13.7 ft—
Bedroom 4Lower4.93 × 4.01 m16.2 × 13.2 ft—
Bedroom 5Lower4.44 × 4.22 m14.6 × 13.8 ft—
OtherLower4.44 × 2.97 m14.6 × 9.7 ft—
OtherLower2.72 × 2.31 m8.9 × 7.6 ft—
OtherLower4.85 × 3.05 m15.9 × 10.0 ft—
Utility RoomLower4.72 × 1.55 m15.5 × 5.1 ft—

Features

  • Auto Garage Door Remote
  • Built-In Oven
  • ERV/HRV
  • In-Law Suite
  • Primary Bedroom - Main Floor

Property details

Property

Property type
detached
Bedrooms
1 + 4
Bathrooms
5
Interior size
5,000 sq ft
Lot size
180 × 424.78 ft
Possession
TBD / Flexible

Interior

Basement
Finished with Walk-Out
Heating
Forced Air · Gas
Cooling
Central Air
Fireplaces
1
Exposure
South

Exterior & services

Construction
Brick, Stone
Garage
Attached
Parking spaces
11
Pool
Inground
Sewer
Sewer

Costs

List price
$5,499,000
Property taxes
$13,099 / year (2025)
Price per sq ft
$1,100
Rental items
Hot Water Tank

Listing

MLS® number
X13768732
Status
For sale
Listed
September 10, 2026
Days on market
55
Last updated
September 20, 2026
Listing brokerage
CV Real Estate

Price & sale history

This property's sale history is hidden

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Before you make an offer

What this home costs beyond the asking price, and how that price compares to what else is on the market.

How this price compares

This home is priced above most comparable listings — about 96% of comparable detached listings in Town are asking less.

$854KMedian $1.42M$3.70M
This home
$1,100 / sq ft
Comparable median
$847 / sq ft

Based on 56 comparable active detached listings in Town. These are asking prices, not sale prices.

Mortgage estimate

Down payment20.0% · minimum $1,099,800
$1,099,800
Interest rate5-year fixed, illustrative only
4.49%
Amortization
Principal & interest
$24,323.93
Property tax (est.)
$1,091.60
Estimated monthly
$25,416

Estimate only. Excludes CMHC insurance premiums, which apply below 20% down, and does not constitute a mortgage approval or an offer of credit.

Land transfer tax

Payable on closing, on top of the purchase price.

Ontario
$123,950
Total due on closing
$123,950

An estimate on the asking price of $5,499,000. Rates current as of September 2026; confirm the final figure with your real estate lawyer.

Listing courtesy of CV Real Estate. Listing data is provided in part by the Toronto Regional Real Estate Board (TRREB) and is deemed reliable but is not guaranteed accurate. Information is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties. Data is updated every 15 minutes.

$5,499,000

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