21940 Mccowan Road
East Gwillimbury, ON
6 bed • 4 bath • approx. 3500-5000 sqft • Detached • 160 days on market
Welcome to a world of luxury and serenity on 37 acres of beautifully treed land, offering privacy, flexibility, and refined living. With over 4500 sqft, this exceptional 6-bedroom, 4-bath estate is perfectly suited for multi-generational living, a home-based business, or those seeking space without compromise. The setting invites both adventure and tranquility, featuring a peaceful pond, gazebo, and a 4-stall barn ready for your hobby farm vision. Whether hosting unforgettable gatherings or enjoying quiet moments, this property adapts effortlessly to your lifestyle. Inside, the great room impresses with soaring two-storey windows and a cozy fireplace that anchors the home with warmth and elegance. The kitchen is both functional and striking, showcasing exotic granite, Sub-Zero refrigeration, and Viking induction and convection cooking, ideal for everyday living and elevated entertaining. The primary suite is a private retreat with a walk-in closet and spa-inspired ensuite complete with heated floors, onyx counters, and a fully tiled steam shower. A standout feature is the separate, above-grade 2-bedroom in-law suite offering comfort and independence for extended family or guests. In addition, a third kitchen, office, and sunroom with private entrance create an ideal home-based business setup, allowing you to work seamlessly without impacting your personal living space. Outdoor living is equally impressive with an expansive deck, pergola, and retractable screens, perfect for summer evenings and effortless entertaining. Located just minutes to Hwy 404, GO Station, and the amenities of Newmarket, this estate offers the perfect balance of peaceful country living with convenient urban access. Complete with a 3-car garage and ample parking, this is a rare opportunity to own a property where lifestyle, flexibility, and opportunity come together.
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Listing Details
- Taxes (2025)
- $12,030
- Listed
- March 20, 2026
Price History
Listing history
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Property
- Style
- Bungalow
- Age
- 31-50
- Construction
- Brick
- Roof
- Asphalt Shingle
- Foundation
- Concrete Block
- Interior
- None, Auto Garage Door Remote, Central Vacuum, Generator - Full, In-Law Suite, On Demand Water Heater, Primary Bedroom - Main Floor, Sump Pump, Water Heater Owned
- Lot Size
- 990.1 x 1659 Feet
Utilities
- Water
- Drilled Well
- Sewer
- Septic
- Heat Source
- Propane
Location & Legal
- Cross Street
- Queensville Sdrd E / McCowan
- Zoning
- RU
- Parcel Number
- 034600022
- Possession
- Flexible
Commercial
- Occupancy
- Vacant
Included
- Inclusions
- All window coverings, light fixtures, washer x 2, dryer, fridge, stove, dishwasher, wood cutter in basement, wood elevator, EV charger outlet, built in microwave, hot tub as is
- Exclusions
- water treatment
- Rental Items
- propane tank, water treatment
Community
Postal area L0G
- Population
- 44,945
- Private dwellings
- 15,980
- Median age
- 41.6
- Average household size
- 2.9
- Median household income
- $118,000
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 East Gwillimbury · last 12 months
- Median sold price
- $1,040,000
- Homes sold
- 409
- Median days on market
- 26
- Sale-to-list price
- 97.5%
Based on 409 recorded sales of residential freehold properties in East Gwillimbury over the last 12 months.
Rooms
2-piece on Main, 4-piece on Main, 5-piece on Main, 3-piece on Upper
Second
- Bedroom 511'6" x 10'6"
Main
- Bedroom15'1" x 13'1"
- Bedroom11'6" x 10'6"
- Bedroom 211'6" x 10'2"
- Bedroom 311'6" x 10'2"
- Family Room14'1" x 25'3"
- Kitchen
- Kitchen13'9" x 9'6"
- Office12'6" x 17'1"
- Primary Bedroom18'4" x 15'5"
- Sunroom13'1" x 21'4"
Ground
- Great Room27'7" x 19'
Listed by
RE/MAX HALLMARK CHAY REALTY
Walk Score
Walk
Bike
Scores by Walk Score®
Location
Mortgage Calculator
$599,800
Estimated Monthly Payment
$14,733
Investment Analysis
No recent nearby lease data. Enter a rent to see the numbers.
Mortgage: $14,733/mo (20% down, 5.5%)
Taxes: $1,002/mo · Insurance: $750/mo
Estimates only. Consult a financial advisor.
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