$7,990,000
FOR SALE

Detached

Bedrooms: 10Bathrooms: 14Lot: 1,079.59 x 1,961.65 ft
2025 Taxes: $24,541

4235 17th Side Road
King, ON L7B 1K4 | Rural King | York

Welcome to an extraordinary estate tucked away behind welcoming stone pillars and a winding forested driveway! This is a work of art designed by the legendary Grant Whatmough and Gardiner Cowan, with distinctive Frank Lloyd Wright style of Architecture. This iconic Mid-Century Modern residence is gracefully integrated into 32 acres of majestic land, where nature and architecture exist in perfect harmony. From the moment you approach the stunning entry door, you're drawn into a world of timeless design and serene beauty. With over $2 million in recent renovations across the main home and accessory buildings, this exceptional estate beautifully preserves its original character and soul. Floor-to-ceiling windows seamlessly bring the outdoors in, while stunning stone fireplaces both inside and out, original stone walls, and impressive wood beams throughout create a timeless and refined atmosphere. Spanning approximately 5,000 sq ft, the main residence features 6 bedrooms, 7 bathrooms, an office, a meditation room, and a separate nanny suite. Multiple terraces and decks surround the home, offering breathtaking views of the land, and a tranquil lake creating the feel of a private luxury retreat. This property features a rare second home- fully renovated and approximately 3,500 sq ft-offering 3 bedrooms, 4 bathrooms, and a massive loft space! This second home is ideal for an extended family! There is an additional Yoga studio with an outdoor shower! a Detached garage/ workshop, a charming cedar Cabin with Sauna and Cold plunge, a Covered cabana for entertaining or relaxing on the property. This is a once-in-a-lifetime opportunity to own an architecturally significant estate in the prestigious King Township. With unmatched privacy, lush surroundings, and two beautifully appointed homes, this property is truly a timeless work of art. Don't Miss it!
Extras
Accessory Apartment, Guest Accommodations, In-Law Suite, Sauna, Separate Heating Controls, Water Softener, Storage Area Lockers
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Listed By RE/MAX HALLMARK YORK GROUP REALTY LTD.
Data Provided By Toronto Regional Real Estate Board
MLS® Listing Number N12837050
Last Updated May 09, 2026
Property Summary
Property Type Detached

More like this:
Legal Description FIRSTLY: PART LOTS 19,20 CONCESSION 6 KING & PART LOT 1 PLAN 165, PARTS 2,3,4,5 65R3168 EXCEPT PART 1 65R36990; SECONDLY: PART LOT 20 CONCESSION 6 KING PARTS 6,7 65R3168 TOWNSHIP OF KING
Possession Date FLEXIBLE - TBA
Taxes (2025) $24,541
Directions/Cross Streets Western Rd and 17th Sideroead
Neighbourhood Rural King
Area York
Price History

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Detailed Information
Fronting On South
Special Designations Unknown
Bedrooms 10
Bathrooms 14
Lot 1,079.59 x 1,961.65 ft
Exterior Stone
Air Conditioning Central Air
Family Room Y
Fireplace/Stove Y
Basement Finished, Finished with Walk-Out
Garage Type Attached
Garage/Park Spaces Y
Parking Spaces 10
Heat Source Propane
Heat Type Forced Air
Sewers Septic

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