3 Mary Willson Court
East Gwillimbury, ON
- 7 bed
- 9 bath
- approx. 5000 + sqft
- Detached
- 7 days on market
Experience ultimate luxury and bespoke design at 3 Mary Willson Crt, a truly one-of-a-kind custom estate located on a private and quiet cul-de-sac, offering Over 6,000 sq. ft. of above-grade living space (excluding garage) with over $450,000 invested in premium upgrades.This exceptional residence features 7 spacious bedrooms and 9 bathrooms, with every bedroom offering a private ensuite and custom walk-in closet, delivering outstanding comfort and privacy. Hardwood flooring throughout both levels creates a fully carpet-free, refined interior, complemented by extensive recessed spot lighting throughout all rooms, bedrooms, and bathrooms, enhancing the bright and elegant ambiance. A grand open-concept foyer welcomes you into a thoughtfully designed layout ideal for family living and entertaining, highlighted by dual staircases, a super-sized private office, and a front walk-in coat closet with a window. The chef's dream kitchen serves as the heart of the home, featuring floor-to-ceiling custom cabinetry with decorative moulding, a stainless steel gas range, a large pantry, and an oversized open-concept layout perfect for everyday living and hosting.Designed for multi-generational living, the rare oversized main-floor bedroom includes its own private laundry and ensuite, while the upgraded second-floor laundry with window adds convenience. Ceiling heights impress with 10 ft on the main floor and 9 ft on the second floor, enhanced by a dramatic skylight.Enjoy a south-facing, resort-style backyard with a custom inground pool, premium interlocking, vinyl fencing, and a whirlpool jacuzzi, offering the perfect retreat for relaxation or entertaining. Completing this offering are a 4-car garage, total parking for 10 vehicles, and two independent furnace and air conditioning systems for year-round comfort.A rare luxury estate, extensively upgraded, generously scaled, and privately situated-an exceptional opportunity in one of East Gwillimbury's most prestigious locations.
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Listing Details
- Taxes (2025)
- $14,331
- Listed
- September 11, 2026
Price History
Listing history
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Property
- Style
- 2-Storey
- Construction
- Brick, Stone
- Roof
- Asphalt Shingle
- Foundation
- Concrete
- Interior
- Auto Garage Door Remote, Central Vacuum, Storage
- Lot Size
- 70.51 x 149.48 Feet
Parking
- Garage
- Attached
- Covered Spaces
- 4
- Total Parking
- 10
Utilities
- Sewer
- Sewer
- Heat Source
- Gas
Location & Legal
- Cross Street
- Leslie & Green Lane
- Parcel Number
- 034330595
- Possession
- Flexible
- Occupancy
- Vacant
Included
- Inclusions
- All Existing Appliances: B/I S/S Stove, B/I S/S Oven/Microwave, S/S Fridge, B/I S/S Dishwasher, Range-Hood, Washer/Dryer, Central Vacuum, 2 furnaces, 2 Central Air Conditionings, All existing swimming pool equipments, All existing, All ElectricLight Fixtures, All existing window coverings, 3 Garage Door Openers with remotes.
- Rental Items
- Hot Water Tank and Water softener system.
Schools
Elementary
- Sharon Public School0.7 km
Public · York Region DSB · 595 students
Grade 3 reading: 81% met the provincial standard · Grade 6 math: 50% met the provincial standard
- École élémentaire Chantal-Benoit1.4 km
French public · CS Viamonde · 95 students
Grade 3 reading: 100% met the provincial standard
- Our Lady of Good Counsel Catholic Elementary School1.4 km
Catholic · York CDSB · 555 students
Grade 3 reading: 79% met the provincial standard · Grade 6 math: 38% met the provincial standard
Secondary
- Huron Heights Secondary School3.4 km
Public · York Region DSB · 1295 students
Grade 10 literacy: 85% met the provincial standard
- Dr John M Denison Secondary School3.8 km
Public · York Region DSB · 1000 students
Grade 10 literacy: 84% met the provincial standard
- Sacred Heart Catholic High School4.1 km
Catholic · York CDSB · 1240 students
Grade 10 literacy: 85% 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 L9N
- Population
- 21,656
- Private dwellings
- 7,297
- Median age
- 38
- Average household size
- 3
- Median household income
- $117,000
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
- $1,035,000
- Homes sold
- 400
- Median days on market
- 24
- Sale-to-list price
- 97.6%
Based on 400 recorded sales of residential freehold properties in East Gwillimbury over the last 12 months.
Rooms
2 × 2-piece on Main, 6-piece on Second, 5 × 3-piece on Second, 3-piece on Main
Second
- Bedroom17'9" x 12'2"
- Bedroom 216'7" x 15'7"
- Bedroom 319'2" x 16'6"
- Bedroom 415'1" x 13'
- Bedroom 512'8" x 12'
- Laundry9'11" x 8'2"
- Primary Bedroom32'10" x 20'7"
Main
- Breakfast16'7" x 17'8"
- Dining Room22' x 17'7"
- Family Room20' x 25'
- Foyer14'1" x 14'11"
- Kitchen16'7" x 17'8"
- Living Room17'11" x 15'5"
- Office16'5" x 15'
- Powder Room6'9" x 5'
- Powder Room6'6" x 5'5"
- Primary Bedroom19' x 13'7"
Listed by
HOMECOMFORT REALTY INC.
Walk Score
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Location
Street View
Mortgage Calculator
$559,800
Estimated Monthly Payment
$13,751
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: $13,751/mo (20% down, 5.5%)
Taxes: $1,194/mo · Insurance: $700/mo
Estimates only. Consult a financial advisor.
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