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For saleNew listingMLS® N14135884

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

Rural King · L7B 1K4

$7,990,000

$1,598 / sq ft

4 days on market

Bedrooms
6+4
Bathrooms
14
Interior
5,000 sf
Parking
12
Lot
1079.59 × 1961.65 ft

What's special

  • Attached garage
  • Central air
  • Walk-out basement
  • Fireplace
  • Accessory apartment
  • Guest accommodations
  • In-law suite
  • Sauna

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About this property

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!

Rooms

17 rooms. Dimensions as published by the listing brokerage.

Room dimensions and features
RoomLevelDimensionsFeatures
OfficeMain4.34 × 2.67 m14.2 × 8.8 ftHardwood Floor · Glass Doors · Window Floor to Ceiling
Bedroom 4Main4.98 × 3.43 m16.3 × 11.3 ftHardwood Floor · 3 Pc Bath · W/O To Terrace
Bedroom 5Main3.58 × 3.45 m11.7 × 11.3 ftHardwood Floor · Beamed Ceilings · W/O To Terrace
Living RoomMain6.80 × 5.80 m22.3 × 19.0 ftHardwood Floor · Renovated · W/O To Deck
KitchenMain7.02 × 7.01 m23.0 × 23.0 ftHardwood Floor · 4 Pc Ensuite · Walk-In Closet(s)
Living RoomUpper9.55 × 6.96 m31.3 × 22.8 ftBeamed Ceilings · Stone Fireplace · Window Floor to Ceiling
Dining RoomUpper9.55 × 6.96 m31.3 × 22.8 ftBeamed Ceilings · Combined w/Living
KitchenUpper6.40 × 4.88 m21.0 × 16.0 ftBeamed Ceilings · Renovated · Centre Island
Family RoomUpper7.37 × 4.70 m24.2 × 15.4 ftBeamed Ceilings · Stone Fireplace · Window Floor to Ceiling
Bedroom 2Upper4.98 × 3.61 m16.3 × 11.8 ftHardwood Floor · 3 Pc Ensuite · W/O To Terrace
Bedroom 3Upper4.98 × 3.61 m16.3 × 11.8 ftHardwood Floor · 3 Pc Ensuite · Window Floor to Ceiling
Primary BedroomLower7.09 × 4.93 m23.3 × 16.2 ftHardwood Floor · 3 Pc Ensuite · W/O To Garden
SittingLower5.13 × 4.70 m16.8 × 15.4 ftHardwood Floor · Window Floor to Ceiling · Overlook Water
BedroomLower3.47 × 3.43 m11.4 × 11.3 ftHardwood Floor · 3 Pc Ensuite · Renovated
BedroomLower4.30 × 3.90 m14.1 × 12.8 ftHardwood Floor · 4 Pc Ensuite · Walk-In Closet(s)
BedroomLower4.25 × 3.40 m13.9 × 11.2 ftHardwood Floor · Closet · Window
BedroomLower3.47 × 3.20 m11.4 × 10.5 ftHardwood Floor · Window

Features

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

Property details

Property

Property type
detached
Bedrooms
6 + 4
Bathrooms
14
Interior size
5,000 sq ft
Lot size
1079.59 × 1961.65 ft
Zoning
RU1, ORF, ORL
Possession
FLEXIBLE - TBA

Interior

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

Exterior & services

Construction
Stone, Wood
Garage
Attached
Parking spaces
12
Sewer
Septic

Costs

List price
$7,990,000
Property taxes
$24,541 / year (2025)
Price per sq ft
$1,598

Listing

MLS® number
N14135884
Status
For sale
Listed
October 31, 2026
Days on market
4
Last updated
October 31, 2026
Listing brokerage
RE/MAX HALLMARK YORK GROUP REALTY LTD.

Price & sale history

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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 82% of comparable detached listings in Rural King are asking less.

$1.33MMedian $3.30M$10.22M
This home
$1,598 / sq ft
Comparable median
$1,085 / sq ft

Based on 57 comparable active detached listings in Rural King. These are asking prices, not sale prices.

Mortgage estimate

Down payment20.0% · minimum $1,598,000
$1,598,000
Interest rate5-year fixed, illustrative only
4.49%
Amortization
Principal & interest
$35,342.46
Property tax (est.)
$2,045.08
Estimated monthly
$37,388

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
$186,225
Total due on closing
$186,225

An estimate on the asking price of $7,990,000. Rates current as of September 2026; confirm the final figure with your real estate lawyer.

Listing courtesy of RE/MAX HALLMARK YORK GROUP REALTY LTD.. 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.

$7,990,000

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