4235 17th Side Road, King, ON
Rural King, King · MLS® N12837050
About this home
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!
Key facts
- Property type
- Detached, Other
- MLS®
- N12837050
- Bedrooms
- 10 (6 + 4)
- Bathrooms
- 14 (5 half)
- Size
- 5,000 sq ft
- Lot
- 1079.59 × 1961.65 ft
- Cross streets
- Western Rd and 17th Sideroead
- Parking
- 2 garage · 12 parking (attached)
- Driveway
- Available
- Basement
- Finished, Finished with Walk-Out
- Kitchens
- 2 (1 + 1)
- Heating
- Forced Air
- A/C
- Central Air
- Exterior
- Stone, Wood
- Foundation
- Concrete
- Roof
- Asphalt Shingle
- Sewer
- Septic
- Property tax
- $24,541 / 2025
- Days on market
- 137
- Listing brokerage
- RE/MAX HALLMARK YORK GROUP REALTY LTD.
Rooms
beamed ceilings · renovated · centre island
hardwood floor · 3 pc ensuite · window floor to ceiling
hardwood floor · closet · window
hardwood floor · 3 pc ensuite · renovated
hardwood floor · 4 pc ensuite · walk-in closet(s)
beamed ceilings · combined w/living
beamed ceilings · stone fireplace · window floor to ceiling
hardwood floor · window
hardwood floor · 3 pc ensuite · w/o to terrace
hardwood floor · 3 pc bath · w/o to terrace
hardwood floor · 3 pc ensuite · w/o to garden
hardwood floor · renovated · w/o to deck
hardwood floor · window floor to ceiling · overlook water
beamed ceilings · stone fireplace · window floor to ceiling
hardwood floor · beamed ceilings · w/o to terrace
hardwood floor · glass doors · window floor to ceiling
hardwood floor · 4 pc ensuite · walk-in closet(s)
Heads up: the asking price here sits well above what comparable listings suggest. That can point to premium finishes, a bigger lot, or simply an ambitious ask, so it is worth a close look before you offer. I would not put an automatic figure on this one. Tell me you are interested and I will pull the most comparable recent sales and give you a straight answer on what it will really take.
Ask Moe if this price is fairIts public catchment (Kettleby PS) tests around the provincial average, a steady, family-friendly draw. The full EQAO breakdown is below.
On location, this is a more car-dependent spot, so buyers here typically drive. Seneca College Stop # 1706 is about a 90-minute walk away. Worth weighing if transit access matters to you.
What the listing highlightsThese are claims from the listing. The only way to know for sure is to see it in person, and I am happy to book you a private showing.
- Renovated / rebuilt: recent work can mean fewer upfront costs, worth confirming the scope, quality, and that permits were pulled.
- Value driver
This home lists 34% above the area average of $1,191/sqft.
116 days longer than the King average (21 days).
View comparable listingsPrice per square foot vs the area average.
Neighbourhood & location
Rural King, King, ON
Enter a workplace or destination and we’ll show the door-to-door time by car, transit and bike.
Getting around
Car-DependentA walkability read built from the amenities around this home: how close the nearest transit stop is, and how many grocery, dining, park, and pharmacy destinations fall within a 15-minute walk. It is a guide, not a guarantee. Places data from Google.
Almost all errands require a car.
🚉 Nearest transit: Seneca College Stop # 1706, about 7.2 km away
Within a 15-minute (1.5 km) walk.
How asking prices compare in the closest areas to this home. Longer bars mean a pricier market.
Typical asking price of active listings of the same type, per area (outliers removed). King.
Get the full neighbourhood report (schools, parks, transit & safety) →
The public and Catholic schools this address is zoned for, with EQAO results (the share of students meeting Ontario's provincial standard).
School attendance boundaries and EQAO results are Ontario government data and can change. Confirm the current catchment with the school board before relying on it.
Affordability & Mortgage
Income needed assumes a ~32% GDS ratio; weekly is mortgage principal & interest only. Price ÷ income is the home price over the income needed. Fixed reference assumptions so listings compare on equal footing, not a lending decision.
Calculate and customize your mortgage and other expenses
Adjust the down payment, rate, and amortization, and add property tax, condo fees, and heating to see your true monthly cost.
Your numbers
Homes over $1.5M can't be insured, so 20% down or more is required.
Conventional (20%+ down). Best insured 5-year fixed 3.99% via Ratehub.ca (as of July 17, 2026); conventional rates run a little higher.
Mortgage amount $6,392,000 · 4.14% over 25 years
Total monthly cost
- Mortgage payment (monthly equivalent)
- $34,110
- Property tax
- $2,045
- Condo / maintenance fees
- $0
- Heating
- $0
- Estimated monthly cost
- $36,155
Add your own property tax, condo fees, and heating on the left for a sharper total.
One-time closing costs
- Ontario land transfer tax
- $186,225
- Estimated closing costs
- $186,225
Plus your down payment of $1,598,000. Legal fees, title insurance, and adjustments are extra and vary by deal.
Mortgage stress test
Lenders qualify you at the greater of your rate plus 2% or 5.25%. You do not pay this rate. It just shows you could still handle payments if rates rose, so aim to stay comfortable at this higher number.
Over the full 25 years
At the end of your 5-year term
- Total paid over the term
- $2,046,605
- Principal paid down
- $814,023
- Interest paid
- $1,232,582
- Balance remaining
- $5,577,977
Talk to Team Asgarian about your options
Rates and programs change often. We will connect you with a trusted mortgage professional and build a plan that fits your budget and goals.
Estimates only, not a mortgage quote or pre-approval. Figures use Canadian semi-annual compounding, current minimum down-payment rules, CMHC premium tiers, and Ontario (plus Toronto, when selected) land transfer tax. Actual rates, taxes, insurance, and closing costs vary by lender and property. Confirm every number with your mortgage professional.
Investor snapshot
Income potential: the basement has a separate entrance, which often supports a rentable in-law or second suite. That can lift real rent well above the figure above and help carry the mortgage. Ask us about permitted use in this area.
Thinking of this home as an investment? We will pull real comparable rents and run the full numbers with you.
Talk about the numbersEstimates only. Rent is modelled on above-grade size and local norms, so a finished basement or second suite (a separate entrance often means one) can push real rent well above this. Taxes, fees, and vacancy vary by property, and cap rate is before financing. A starting point, not a final number, let us run the real ones with you.
Helpful resources
All information deemed reliable but not guaranteed. For personal, non-commercial use only. Listing courtesy of RE/MAX HALLMARK YORK GROUP REALTY LTD.. MLS®/PropTx.