4235 17th Side Road
King, ON
- 10 bed
- 14 bath
- approx. 5000 + sqft
- Detached
- 196 days on market
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!
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Listing Details
- Taxes (2025)
- $24,541
- Listed
- March 2, 2026
Price History
Listing history
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Property
- Style
- Other
- Construction
- Stone, Wood
- Roof
- Asphalt Shingle
- Foundation
- Concrete
- Interior
- Accessory Apartment, Guest Accommodations, In-Law Suite, Sauna, Separate Heating Controls, Water Softener, Storage Area Lockers
- Lot Size
- 1079.59 x 1961.65 Feet
Parking
- Garage
- Attached
- Covered Spaces
- 2
- Total Parking
- 12
Utilities
- Sewer
- Septic
- Heat Source
- Propane
Location & Legal
- Cross Street
- Western Rd and 17th Sideroead
- Zoning
- RU1, ORF, ORL
- Possession
- Flexible
- Occupancy
- Vacant
Included
- Inclusions
- Please see SCH C
Schools
Elementary
- Kettleby Public School4.8 km
Public · York Region DSB · 135 students
Grade 3 reading: 94% met the provincial standard · Grade 6 math: 58% met the provincial standard
Straight-line distance. Nearby schools are not necessarily the assigned schools — confirm catchment with the school board. Scores are EQAO provincial test results for 2024-2025.
Community
Postal area L7B
- Population
- 17,809
- Private dwellings
- 5,790
- Median age
- 42
- Average household size
- 3.2
- Median household income
- $154,000
Source: Statistics Canada, 2021 Census of Population, catalogue 98-401-X2021013. Adapted from Statistics Canada. This does not constitute an endorsement by Statistics Canada of this product.
Local market
Residential Freehold in King · last 12 months
- Median sold price
- $1,825,000
- Homes sold
- 239
- Median days on market
- 30
- Sale-to-list price
- 94.1%
Based on 239 recorded sales of residential freehold properties in King over the last 12 months.
Rooms
5 × 2-piece on Ground, 8 × 3-piece, 5-piece
Upper
- Bedroom 216'4" x 11'10"
- Bedroom 316'4" x 11'10"
- Dining Room31'4" x 22'10"
- Family Room24'2" x 15'5"
- Kitchen21' x 16'
- Living Room31'4" x 22'10"
Main
- Bedroom 416'4" x 11'3"
- Bedroom 511'9" x 11'4"
- Kitchen23' x 23'
- Living Room22'4" x 19'
- Office14'3" x 8'9"
Lower
- Bedroom13'11" x 11'2"
- Bedroom11'5" x 11'3"
- Bedroom11'5" x 10'6"
- Bedroom14'1" x 12'10"
- Primary Bedroom23'3" x 16'2"
- Sitting16'10" x 15'5"
Listed by
RE/MAX HALLMARK YORK GROUP REALTY LTD.
Walk Score
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Location
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Mortgage Calculator
$1,598,000
Estimated Monthly Payment
$39,252
Land transfer tax
Ontario land transfer tax only. An estimate — not legal or financial advice. Municipal land transfer tax applies in Toronto and is not included.
Investment Analysis
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Mortgage: $39,252/mo (20% down, 5.5%)
Taxes: $2,045/mo · Insurance: $1,998/mo
Estimates only. Consult a financial advisor.
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