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For Sale

455 William Street

101 - Town, Niagara-on-the-Lake, ON
$6,589,999
1+4Bd
5Ba
3,250+sqft
11Parking
180 x 424.78 ftlot
$2028/sqft
DetachedMLS# X12824724Listed 2026-02-2651 DOM
Cooling
Central Air
Basement
Finished with Walk-Out

On the market for 51 days — longer than average. The seller may be open to negotiation.

About this home

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

PoolFireplace

Rooms

Main Floor
Kitchen6.02 × 5.44 m
Dining Room5.69 × 4.11 m
Living Room6.63 × 5.38 m
Sunroom5.38 × 4.19 m
Family Room4.70 × 4.19 m
Other6.05 × 5.44 m
Laundry3.78 × 2.39 m
Primary Bedroom6.05 × 5.44 m
Lower
Recreation9.04 × 5.13 m
Bedroom 25.89 × 4.17 m
Bedroom 34.19 × 4.17 m
Bedroom 44.93 × 4.01 m
Bedroom 54.44 × 4.22 m
Other4.44 × 2.97 m
Other2.72 × 2.31 m
Other4.85 × 3.05 m
Utility Room4.72 × 1.55 m

Features

  • Auto Garage Door Remote
  • Built-In Oven
  • ERV/HRV
  • In-Law Suite
  • Primary Bedroom - Main Floor
  • Finished with Walk-Out
  • Central Air
  • Bungalow

Financials

Annual Taxes
$13,099.18

Estimated Rental Income

Entire property$2,000 – $3,000/mo
Rental yield0.4% – 0.5%

*Estimates based on comparable rentals in the area. Actual income may vary.

Market Data — Niagara-on-the-Lake

Days on market51 days
Buyer's MarketSeller's Market

Based on active listings in Niagara-on-the-Lake. Data updates daily.

Our estimate for this home

Priced 171.0% above estimate
Estimated range
$2.25M$2.61M
Mid-point $2.43M · ~$748/sqft
How this listing compares
$2.25MList · $6.59M$2.61M
High confidence·Based on 907 gta-wide comparables

Estimated range is generated automatically from active comparables and is for informational purposes only. Not an appraisal — contact Aman for a full comparative market analysis that factors in condition, renovations, and positioning.

MLS® data courtesy of the Toronto Regional Real Estate Board (TRREB).

The information provided herein must only be used by consumers that have a bona fide interest in the purchase, sale, or lease of real estate and may not be used for any commercial purpose or any other purpose. Listing information is deemed reliable but is not guaranteed accurate by the Toronto Regional Real Estate Board, the listing brokerage, or this website. The trademarks REALTOR®, REALTORS® and the REALTOR® logo are controlled by The Canadian Real Estate Association (CREA) and identify real estate professionals who are members of CREA. MLS®, Multiple Listing Service®, and the associated logos are owned by CREA. Not intended to solicit properties currently listed for sale or buyers under contract.

$6,589,999
455 William Street, Niagara-on-the-Lake
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