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DetachedListed 226 days ago

$7,990,000

4235 17th Side Road, King, ON L7B 1K4

Rural King · King · L7B 1K4

Listing brokerage: RE/MAX HALLMARK YORK GROUP REALTY LTD.

Beds
6+4
Baths
14
Sq ft
5000 +
Parking
12
Virtual tour

Monthly costs

Property taxes

$2,045/mo

$24,541 a year (2025)

The home

Lot size
1079.6 × 1961.7 ft
Basement
Finished, Finished with Walk-Out
Parking
12 spots · Attached
Faces
South
Heating · cooling
Forced Air, Central Air
Possession
FLEXIBLE - TBA

About this home

Welcome to an extraordinary estate on 32 acres of majestic land, 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 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!

All details27 more from the listing · Interior, Heating, Parking, Exterior, Utilities, Taxes, Listing

Interior

Bedrooms
6+4
Bathrooms
14
Kitchens
2
Rooms
14
Den / family room
Yes
Size
5000 + sq ft
Fireplace
Family Room, Living Room, Wood, Wood Stove

Features

  • Accessory Apartment
  • Guest Accommodations
  • In-Law Suite
  • Sauna
  • Separate Heating Controls
  • Water Softener
  • Storage Area Lockers

Accessibility

  • Parking

Heating & Cooling

Heat source
Propane

Parking

Covered spaces
2

Features

  • Available

Exterior & Lot

Exterior
Stone, Wood
Roof
Asphalt Shingle
Foundation
Concrete
View
Garden, Lake, Panoramic, Park/Greenbelt, Trees/Woods, Water

Other structures

  • Additional Garage(s)
  • Gazebo
  • Other
  • Sauna

Exterior features

  • Deck
  • Landscape Lighting
  • Landscaped
  • Privacy

Utilities

Sewer
Septic

Taxes & Fees

HST
Included In

Listing

MLS® number
N12837050
Type
Detached
Transaction
For Sale
Neighbourhood
Rural King
Co-listing brokerage
NORTH 2 SOUTH REALTY
Cross streets
Western Rd and 17th Sideroead
Rooms · 31Living Room ×2, Dining Room, Kitchen ×2, Family Room, Primary Bedroom, Sitting, Office, Bedroom 2, Bedroom 3, Bedroom 4, Bedroom 5, Bedroom ×4, Washroom ×14
  • Living Room

    Upper

    9.55 × 6.96 m · 31′4″ × 22′10″

    Beamed Ceilings, Stone Fireplace, Window Floor to Ceiling

  • Dining Room

    Upper

    9.55 × 6.96 m · 31′4″ × 22′10″

    Beamed Ceilings, Combined w/Living

  • Kitchen

    Upper

    6.40 × 4.88 m · 21′0″ × 16′0″

    Beamed Ceilings, Renovated, Centre Island

  • Family Room

    Upper

    7.37 × 4.70 m · 24′2″ × 15′5″

    Beamed Ceilings, Stone Fireplace, Window Floor to Ceiling

  • Primary Bedroom

    Lower

    7.09 × 4.93 m · 23′3″ × 16′2″

    Hardwood Floor, 3 Pc Ensuite, W/O To Garden

  • Sitting

    Lower

    5.13 × 4.70 m · 16′10″ × 15′5″

    Hardwood Floor, Window Floor to Ceiling, Overlook Water

  • Office

    Main

    4.34 × 2.67 m · 14′3″ × 8′9″

    Hardwood Floor, Glass Doors, Window Floor to Ceiling

  • Bedroom 2

    Upper

    4.98 × 3.61 m · 16′4″ × 11′10″

    Hardwood Floor, 3 Pc Ensuite, W/O To Terrace

  • Bedroom 3

    Upper

    4.98 × 3.61 m · 16′4″ × 11′10″

    Hardwood Floor, 3 Pc Ensuite, Window Floor to Ceiling

  • Bedroom 4

    Main

    4.98 × 3.43 m · 16′4″ × 11′3″

    Hardwood Floor, 3 Pc Bath, W/O To Terrace

  • Bedroom 5

    Main

    3.58 × 3.45 m · 11′9″ × 11′4″

    Hardwood Floor, Beamed Ceilings, W/O To Terrace

  • Bedroom

    Lower

    3.47 × 3.43 m · 11′5″ × 11′3″

    Hardwood Floor, 3 Pc Ensuite, Renovated

  • Living Room

    Main

    6.80 × 5.80 m · 22′4″ × 19′0″

    Hardwood Floor, Renovated, W/O To Deck

  • Kitchen

    Main

    7.02 × 7.01 m · 23′0″ × 23′0″

    Hardwood Floor, 4 Pc Ensuite, Walk-In Closet(s)

  • Bedroom

    Lower

    4.30 × 3.90 m · 14′1″ × 12′10″

    Hardwood Floor, 4 Pc Ensuite, Walk-In Closet(s)

  • Bedroom

    Lower

    4.25 × 3.40 m · 13′11″ × 11′2″

    Hardwood Floor, Closet, Window

  • Bedroom

    Lower

    3.47 × 3.20 m · 11′5″ × 10′6″

    Hardwood Floor, Window

  • 5 × 2-piece washroom

    Ground

  • 8 × 3-piece washroom

  • 5-piece washroom

History

Past listings and sales for this home and building.

Location

4235 17th Side Road, King, ON L7B 1K4 · Near Western Rd and 17th Sideroead

Monthly cost

Estimated monthly cost

$37,423/mo

Mortgage
$35,378
Property tax
$2,045
Down payment$1,598,000 · 20%
Interest rate4.50%

Amortization

Estimate only, for illustration. Includes mortgage default insurance when less than 20% is put down. Speak with a lender for an exact figure.

Cash to close

Cash to close

$1,787,185

$1,598,000 down + $189,185 to $190,435 in closing costs

Ontario land transfer tax
$186,225
Legal fees and disbursements
$1,500 to $2,500
Title insurance
$250 to $500
Property tax adjustment
$1,210

Estimate only, not legal or tax advice. Rates as of 2026-10-14 from Ontario, City of Toronto and CMHC published rates. Legal and title figures are typical ranges. Adjustments assume the seller prepaid the closing month. First-time rebates have eligibility rules; confirm with your lawyer.

The listing information is deemed reliable but is not guaranteed accurate by PROPTX. 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.

$7,990,000

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