455 WILLIAM STREET
OnePoint · L0S1J0
$6,300,000
About this residence
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 (id:61366)
Property details
- Property type
- Single Family
- Style
- House
- Ownership
- Freehold
- Bedrooms
- 5 (1 above, 4 below)
- Bathrooms
- 5 (1 half)
- Storeys
- 1
- Living area
- 3,000–3,500 sq ft
- Lot size
- 180 x 424.8 FT
- Frontage
- 180 feet
- Parking
- 11 spaces
- Fireplace
- Yes
- Annual tax
- $13,099
- MLS®
- X13240938
- Board
- OnePoint
- Status
- Active
- Listed
- Jun 4, 2026
- Updated
- Jun 4, 2026
Room dimensions
| Room | Level | Dimensions |
|---|---|---|
| Kitchen | Main level | 6.02 × 5.44 m |
| Bedroom 3 | Lower level | 4.19 × 4.17 m |
| Bedroom 4 | Lower level | 4.93 × 4.01 m |
| Bedroom 5 | Lower level | 4.44 × 4.22 m |
| Other | Lower level | 4.44 × 2.97 m |
| Other | Lower level | 2.72 × 2.31 m |
| Other | Lower level | 4.85 × 3.05 m |
| Utility room | Lower level | 4.72 × 1.55 m |
| Dining room | Main level | 5.69 × 4.11 m |
| Living room | Main level | 6.63 × 5.38 m |
| Sunroom | Main level | 5.38 × 4.19 m |
| Family room | Main level | 4.7 × 4.19 m |
| Other | Main level | 6.05 × 5.44 m |
| Laundry room | Main level | 3.78 × 2.39 m |
| Primary Bedroom | Main level | 6.05 × 5.44 m |
| Recreational, Games room | Lower level | 9.04 × 5.13 m |
| Bedroom 2 | Lower level | 5.89 × 4.17 m |
Features & finishes
Appliances
- Garage door opener remote(s)
- Oven - Built-In
Flooring
- Hardwood
Heating
- Forced air
- Natural gas
Cooling
- Central air conditioning
Basement
- Finished
- Walk out
Exterior
- Brick
- Stone
Foundation
- Poured Concrete
Parking
- Attached Garage
- Garage
Lot
- Wooded area
- In-Law Suite
- Conservation/green belt
- Ravine
Sewer & Utilities
- Sanitary sewer
Pool
- Inground pool
Architecture
- Bungalow
Financing
Estimated monthly payment
$29,463/mo
Loan amount
$5,040,000
Down payment
$1,260,000
Estimate only. Rates and terms vary by lender and qualification.
Powered by Lenderoo.caLocation & area
OnePoint
Nearby
About the area
Census · L0S- 60,409
- Population
- 53
- Median age
- $95,000
- Median income
- $725,000
- Median home value
- 87%
- Home ownership
- 25 min
- Avg. commute
Age distribution
Tenure
Neighbourhood statistics for the property’s forward sortation area. Figures are census-derived estimates.
Powered by Neighbourly.ioFrequently asked questions
What is the asking price for 455 WILLIAM STREET?
455 WILLIAM STREET is listed for $6,300,000, in OnePoint.
How many bedrooms and bathrooms does 455 WILLIAM STREET have?
It offers 5 bedrooms and 5 bathrooms (including 1 half-bath).
What type of home is 455 WILLIAM STREET?
455 WILLIAM STREET is a Single Family, House set over 1 storey.
How large is 455 WILLIAM STREET?
The home offers approximately 3,000–3,500 sq ft of living space on a lot measuring 180 x 424.8 FT.
What would the monthly mortgage payment be?
With a 20% down payment at a 5.0% interest rate over a 25-year amortization, the estimated monthly payment is about $29,463. Use the mortgage calculator above to model your own scenario.
What are the annual property taxes?
Property taxes are approximately $13,099 per year.
Is there parking?
Yes — 455 WILLIAM STREET includes 11 parking spaces.
What is the OnePoint area like?
OnePoint has a population of about 60,409, a median age of 53, a 87% home-ownership rate, with an average commute of about 25 minutes.
What is the average home value in OnePoint?
The median dwelling value in this area is approximately $725,000, based on census data via Neighbourly.
What is the median household income in OnePoint?
The median household income in this area is approximately $95,000.
Similar residences
Comparable House near OnePoint at a similar price.
Private viewings
Arrange a private viewing of 455 WILLIAM STREET.
Our advisors offer discreet, personal guidance from first viewing through to closing. We’d be delighted to assist.