Listed for:Listed Mar 2, 2026
$7,990,000

4235 17th Side Road

King (Rural King), ON L7B 1K4

Detached House For Sale
Down Payment AssistanceGet Best Mortgage Rates

Sale & Price History for 4235 17th Side Road, King, Rural King

No listing history available

Real estate boards require you to or to see the full details of this property.

*Sold prices and complete sale & price history are regulated data. Under the Trust in Real Estate Services Act, 2002 (TRESA) and the rules of the Real Estate Council of Ontario (RECO), and pursuant to the Multiple Listing Service® rules of the Canadian Real Estate Association (CREA) and the Toronto Regional Real Estate Board (TRREB), this information may be shown only to registered users who have agreed to the applicable terms of use (a Virtual Office Website, or "VOW," arrangement). HOMEH Inc., Brokerage therefore provides it to signed-in members only. Creating an account is free and takes under a minute.

About 4235 17th Side Road, King, Rural King

Summarized Description

  • Unique Mid-Century Modern estate with extensive renovations.
  • Spacious 5,000 sq ft main residence with 6 bedrooms.
  • Second fully renovated home ideal for extended family.
  • Surrounded by 32 acres of serene natural beauty.
  • Features a yoga studio and cedar cabin with sauna.
  • Multiple terraces offering breathtaking views of the lake.
  • Architectural design by renowned Grant Whatmough.
  • Private luxury retreat with unmatched privacy.

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!

Key Facts & Features

Property Costs

Annual Property Tax Amount
$24,541
Land Transfer Tax Fee
$186,225

Basement Type
Finished, Finished with Walk-Out

Interior Features

Interior Extras
Accessory Apartment, Guest Accommodations, In-Law Suite, Sauna, Separate Heating Controls, Water Softener, Storage Area Lockers
View
Garden, Lake, Panoramic, Park/Greenbelt, Trees/Woods, Water
Security Features
Alarm System
Fireplace/Stove
Yes
Fireplace Features
Family Room, Living Room, Wood, Wood Stove
Elevator
No

Exterior Features

Exterior Extras
Deck, Landscape Lighting, Landscaped, Privacy
Pool
None
Property Features
Cul de Sac/Dead End, Greenbelt/Conservation, Lake/Pond, Ravine, Wooded/Treed
Accessibility Features
Parking
Other Structures
Additional Garage(s), Gazebo, Other, Sauna

Building

Building Type
Detached
Building Style
Other

Construction

Exterior Finish
Stone, Wood
Roof
Asphalt Shingle
Foundation Details
Concrete
Special Designation
Unknown

Lot

Lot Front
1079.59 ft
Lot Depth
1961.65 ft
Lot Size
32.17
Lot Shape
Irregular

Parking & Garages

Garage Type
Attached
Garage Spaces
2
Parking Spaces
10
Total Garage And Parking Spaces
12

Heating & Cooling

Heat Source
Propane
Heat Type
Forced Air
Air Conditioning
Central Air
Water
Well
Sewers
Septic

Bedrooms
6 + 4
Washrooms
14
Kitchens
2
Family / bonus room
Yes

Room sizes

  • Living Room—
    Upper level, Beamed Ceilings, Stone Fireplace, Window Floor to Ceiling
  • Dining Room—
    Upper level, Beamed Ceilings, Combined w/Living
  • Kitchen—
    Upper level, Beamed Ceilings, Renovated, Centre Island
  • Family Room—
    Upper level, Beamed Ceilings, Stone Fireplace, Window Floor to Ceiling
  • Primary Bedroom—
    Lower level, Hardwood Floor, 3 Pc Ensuite, W/O To Garden
  • Sitting—
    Lower level, Hardwood Floor, Window Floor to Ceiling, Overlook Water
  • Office—
    Main level, Hardwood Floor, Glass Doors, Window Floor to Ceiling
  • Bedroom 2—
    Upper level, Hardwood Floor, 3 Pc Ensuite, W/O To Terrace
  • Bedroom 3—
    Upper level, Hardwood Floor, 3 Pc Ensuite, Window Floor to Ceiling
  • Bedroom 4—
    Main level, Hardwood Floor, 3 Pc Bath, W/O To Terrace
  • Bedroom 5—
    Main level, Hardwood Floor, Beamed Ceilings, W/O To Terrace
  • Bedroom—
    Lower level, Hardwood Floor, 3 Pc Ensuite, Renovated
  • Living Room—
    Main level, Hardwood Floor, Renovated, W/O To Deck
  • Kitchen—
    Main level, Hardwood Floor, 4 Pc Ensuite, Walk-In Closet(s)
  • Bedroom—
    Lower level, Hardwood Floor, 4 Pc Ensuite, Walk-In Closet(s)
  • Bedroom—
    Lower level, Hardwood Floor, Closet, Window
  • Bedroom—
    Lower level, Hardwood Floor, Window

Washrooms

  • 2-piece, Ground
  • 3-piece
  • 5-piece

Municipality
King
Neighbourhood
Rural King
Main cross streets
Western Rd and 17th Sideroead
Zoning
RU1, ORF, ORL
Directions
17th Sideroad

MLS® number
N12837050
Data source
Toronto Regional Real Estate Board
Listed on
2026-03-02
Updated on
2026-10-09
Days on market
228 days
Possession type
Flexible
Co-op commission
2.5% Plus HST
Seller
Listed by
RE/MAX HALLMARK YORK GROUP REALTY LTD.

Home Market Value

Current home valuation for 4235 17th Side Road, King, Rural King, King, ON. Listed for $7,990,000

HOMEH Estimate

?

$7,400,000

Estimated Sales Range

?

$4,440,000 - $10,360,000

HOMEH Estimate for 4235 17th Side Road, King, Rural King

Calculated with a real agent's CMA method — 45+ years of experience, codified. Not an AI guess.

$7,400,000Low confidence
Based on 1 comparable property
+ $590,000 (8%) above our estimate
See the full analysisFree Every recent nearby sale behind this number

For the owner

Is this your home? Track its value.

Get this home's HOMEH Estimate by email once a month, with how many homes are for sale around you.

Mortgage Payment Calculator

Compare up to 4 down payment scenarios

$
King, ON
Minimum Down Payment Required:20.0%

20% required for homes $1.5M or more

Minimum down payment

$1,598,000

Scenario 1 Scenario 2 Scenario 3 Scenario 4
−Down payment
%
$
%
$
%
$
%
$
+CMHC insurance
$0$0$0$0
=Total mortgage
$6,392,000$5,992,500$5,593,000$5,193,500
Amortization
Mortgage rate
%
%
%
%
Payment frequency
=Mortgage payment
$31,209monthly$29,258monthly$27,308monthly$25,357monthly
Are you a first time home buyer?

Land Transfer Tax

Provincial

$186,225

Total Land Transfer Tax

$186,225

Around this home

0/100Loading...
0/100Loading...
0/100Loading...
Map unavailable

No schools found nearby

Ask HOMEH

New!
H

Hi there!

👋

Text or call (416) 301-9001

Recommended for you

Based on homes you've looked at.

No recommended properties found.

Nearby similar homes

No nearby properties found.