Shows activity for this MLS® listing. Prior listings and sold records appear when available.
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.
School boundaries and eligibility may change. Confirm school eligibility directly with the school board.
Compare schools & catchments →A snapshot of this home’s immediate area — the census dissemination area it sits in.
StatCan 2021 Census · this home’s dissemination area (DA 35190084). Values are randomly rounded by Statistics Canada for privacy.
Take the next step
Choose how you would like to connect. You will review the details before anything is sent.
Book a viewing or ask anything — we typically reply within 1 hour.
Listing data is provided by the Toronto Regional Real Estate Board (TRREB) and PropTx under the Internet Data Exchange (IDX) program. The information is deemed reliable but is not guaranteed accurate by TRREB, PropTx, CREA or DistrictIQ Inc., Brokerage, may not reflect the most current status, and is subject to errors, omissions, prior sale, change, or withdrawal without notice. Listings should be independently verified.
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 trademarks MLS®, Multiple Listing Service® and the associated logos identify professional services rendered by REALTOR® members of CREA to effect the purchase, sale and lease of real estate as part of a cooperative selling system. Used under licence.
Sold and closed listing data is provided by the Toronto Regional Real Estate Board (TRREB) and PropTx through the VOW (Virtual Office Website) data feed and is shown only to registered consumers with a bona fide real estate interest. The information is deemed reliable but is not guaranteed accurate by TRREB, PropTx, CREA or DistrictIQ Inc., Brokerage, and is subject to errors, omissions, change or withdrawal. It must be independently verified.
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.
MLS®, Multiple Listing Service® and the associated listing data are owned by the Toronto Regional Real Estate Board (TRREB) and PropTx and are protected by copyright. Used under licence; all rights reserved.
DistrictIQ Inc., Brokerage · © 2026 DistrictIQ Inc.
This website is not intended to solicit persons currently under contract with a 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.