DetachedListed today

17480 Dufferin St, King

Name: 17480 Dufferin Street
SKU: N14138734
Price: 3420000 CAD
Availability: InStock

King, ON · · MLS® N14138734Updated November 2, 2026

$3,420,000Est. $16,801/mo mortgage

Bedrooms: 3
Bathrooms: 2
Living space: 2500–3000sq ft
Parking spaces: 6

Type Detached
Lot 17.494999999999997 acres
Garage Yes
Basement Walk-Out, Partially Finished

What you should know

17480 Dufferin St is a 3-bedroom, 2-bathroom detached home in King, listed for $3,420,000. It has 2500-3000 sq ft of living space.

The lands include over 15 acres of mature woodlands, gardens, lawns with seating terraces and a pool with waterfall plus cabana.
This light-filled 4-bedroom home was designed to capture the vast views from this hilltop site. 2-car garage plus detached workshop.
The home takes advantage of the setting with superb views and offers a full walk-out lower level.

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3 Bed, 2 Bath Detached Home in King

About 17480 Dufferin Street

Country location close to Newmarket & Aurora - Location, location, location! Ever wanted to enjoy peaceful country living and yet be 5 minutes to town & conveniences? This is it. A remarkably private setting on 15-acres, 5 minutes to Upper Canada Mall. 10 minutes to Southlake Hospital. 10 minutes to the Green Lane GO Station. Total privacy, tranquil setting, long views....and be only 5 minutes to Newmarket or Aurora! Gordon Ridgely Designed Home. A hidden property in King Township with amazing views over the hills of the protected Joker's Hill. Up a long gated and paved drive sits this impressive west coast inspired home designed by the noted architect Gordon Ridgely. The views across the valley are breathtaking. The lands include over 15 acres of mature woodlands, gardens, lawns with seating terraces and a pool with waterfall plus cabana. This light-filled 4-bedroom home was designed to capture the vast views from this hilltop site. 2-car garage plus detached workshop. The site for this modernist home is irreplaceable. The home takes advantage of the setting with superb views and offers a full walk-out lower level. The perfect near-urban location in King Township! The front entrance has impressive cut stone landscaping and lush gardens which continue around the home. The dramatic 2-storey window floods the foyer and main staircase with light. The main level includes a dramatic 2-storey living room which is the focal point of the home. The living room has massive showcase windows, built-in cabinetry and is wired for sound. There are multiple seating areas in the living room including 2 club chairs which are great for a morning coffee. Off this main living room is the kitchen with breakfast bar, dining room, sunroom, laundry, pantry, bathroom and a main floor office with walk-out to the grounds. This office can become a main floor bedroom if desired. Superb custom millwork in all bathrooms, laundry room and great room. Loads of storage in dining room and primary bdrm

3 bedrooms, 2 bathrooms, about 2,500 sq ft, works out to roughly $1,368 per square foot. Chat with Zara if you'd like a deeper read on whether this detached fits your budget and timing.

Inside 17480 Dufferin St

Every detail from the listing, in one place.

Type: Detached
Style: 2-Storey
Living space: 2500-3000 sq ftas stated on the listing
Parking: 6 spacesYes garage
Basement: Walk-Out, Partially Finished

Features & systems

Parking & garage

Garage: Yes
Parking spaces: 6

Interior

Basement: Walk-Out · Partially Finished

Exterior & construction

Pool: Yes

Lot & land

Lot size (sqft): 15.48

Listing & possession

Property style: 2-Storey
Property class: Detached

17480 Dufferin St Price & Sale History

Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.

Nov 2, 2026For saleListedThis listingMLS® N14138734$3,420,000

Sourced from MLS®. Includes earlier listings of this property on record.

What's it worth?

How 17480 Dufferin St Compares to the King Market

Zara compares it with recent sales of similar homes nearby. It's a guide, not an appraisal.

Zara’s estimate

Well Above Market· based on 174 recent sales

Value your own home →How accurate are Zara’s estimates?

Summitly estimate, not from TRREB, the MLS® or the listing brokerage. Not an appraisal. How it works

King market, last 90 days

Median sold price: $1,735,000
Average sold price: $2,074,223
Average days on market: 57
Homes sold: 113

Closed sales on the TRREB MLS®.

Full King market report

Recently sold nearby in King

Sold prices are shown free to signed-in members, as board rules require.

6 nearby sales vs. this home

Closed sales from MLS®, compared with this home's asking price.

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Home	Sold price	$ / sqft	% of asking	Sold
This home17480 Dufferin Street 3 bd · 2 ba · 2,500 sqft	$3,420,000asking	$1,368	—	—
16469 7th Concession Road 3 bd · 1 ba · 700 sqft
60 Kingscross Drive 4 bd · 4 ba · 3,500 sqft
20 Ballard Drive 4 bd · 4 ba · 5,000 sqft
6160 King Road 2 bd · 1 ba · 700 sqft
36 West Coast Trail 5 bd · 6 ba · 3,500 sqft
10 Kingscross Drive 2 bd · 1 ba · 1,100 sqft

16469 7th Concession Road
3 bd · 1 ba · 700 sqft
60 Kingscross Drive
4 bd · 4 ba · 3,500 sqft
20 Ballard Drive
4 bd · 4 ba · 5,000 sqft
6160 King Road
2 bd · 1 ba · 700 sqft
36 West Coast Trail
5 bd · 6 ba · 3,500 sqft
10 Kingscross Drive
2 bd · 1 ba · 1,100 sqft

Living in King: Location & Amenities

Transit, schools, parks and everyday places near this home. Select any place to open it on Google Maps.

Costs, Mortgage & Rental Return for 17480 Dufferin St

What it could cost each month, today's rates from our mortgage partner, and what it could return as a rental.

Mortgage: $16,801; 20% down · 25 years · 5.5% assumed
Property tax: $1,881; 0.66% mill rate · ON
Total per month: $18,682; Before utilities, insurance and fees

Figures are Summitly estimates for illustration only — not from TRREB or the MLS® feed, and not a mortgage approval, appraisal, or financial advice.

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Monthly cost

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Down payment

Rate (%)

Years

An estimate, not a quote. Utilities and insurance are extra.

Affordability calculator

Estimated monthly payment

$16,801

/mo

based on the purchase price of $3,420,000

Down payment20%

$684,000 cash

Amortization25 yr

$2,736,000 financed

Rate5.50%

$2,304,430 total interest

Principal54%$2,736,000

Interest46%$2,304,430

20% down · 25-yr amortization · 5.50% rate. Principal & interest only — taxes, condo fees, and insurance not included.

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Figures are Summitly estimates for illustration only — not from TRREB or the MLS® feed, and not a mortgage approval, appraisal, or financial advice.

Rental income potential

Est. monthly rent

low–high

Gross yield

rent × 12 ÷ price

Cap rate (est.)

net of tax + fees

Summitly AI estimate for discussion only — not from TRREB or the MLS® feed, and not an appraisal or investment advice. Yield and cap rate are derived from the estimated rent versus the asking price.

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Listing brokerage: MOFFAT DUNLAP REAL ESTATE LIMITED, BrokerageMLS® N14138734 · Listing data last updated November 2, 2026

Listing data comes from the Toronto Regional Real Estate Board (TRREB) and is deemed reliable but not guaranteed. Shown on Summitly by Coldwell Banker Summit Realty, Brokerage, which is not the listing brokerage. 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. © 2026 Toronto Regional Real Estate Board. All rights reserved.

Mortgage financing is arranged through Mortgage Squad Advisors. Summitly is the technology platform that powers this site. Estimated values, AI insights, calculator results, and rental projections shown on this page are generated by Summitly and are not provided by, reviewed by, or sourced from TRREB, the MLS®, or the listing brokerage; they are not appraisals or opinions of value. The trademarks REALTOR®, REALTORS®, and the REALTOR® logo are controlled by the Canadian Real Estate Association (CREA) and identify real estate professionals who are members of CREA. The Coldwell Banker® name and logo are trademarks of Coldwell Banker Real Estate LLC.

For sale· listed Nov 1· $1,368/sq ft

Estimated monthly mortgage$16,801/moMortgage only · 20% down · 5.5% assumed

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5.0 · Google rating for Coldwell Banker Summit Realty, Brokerage · as of September 2026

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