Detached in Richmond Hill

**Luxury Rare Found Rear 70' Wide Backyard**Nestled in the prestigious and highly sought-after Observatory Hill Neighborhood, this exceptional home features over $500K in upgrades-nothing here is standard. Offering 4,386 sqft above grade, plus a HEATED basement with oversized upgraded windows, this residence is thoughtfully designed for luxury, comfort, and functionality. The exceptional open-concept layout features 10ft ceilings on the main floor and 9ft ceilings on the 2nd floor and basement, LED pot lights, and premium 7-inch hardwood flooring throughout. Automatic Toto Toilet for Powder Rm, Primary Ensuite & 2nd Ensuite. Custom aluminum blast-resistant front door and rear-yard double door with blast-resistant glass.The chef-inspired kitchen showcases a HEATED floor, custom ceiling-height cabinetry, top-of-the-line built-in appliances including a Wolf gas cooktop,42" Sub-Zero refrigerator/freezer, Wolf steamer and oven, built-in microwave, dishwasher, and beverage fridge. Elegant porcelain waterfall countertops and a matching porcelain backsplash add a sophisticated finish. A stunning double-sided fireplace wrapped in porcelain creates a seamless focal point between the kitchen and family room, offering warmth and elegance. The spacious primary bedroom features a customized walk-in closet. The luxurious primary ensuite includes a frameless glass oversized shower, and HEATED flooring. A large retreat room provides exceptional flexibility can be used as a gym, second closet, private office, or additional living space. The 2nd and 3rd bedrooms feature 10ft ceilings and floor-to-ceiling windows, providing an abundance of natural light. A spacious third-floor loft offers a luxurious bar area and walk-out access to a large private terrace-ideal for entertaining or relaxing.The 70-ft-wide oversized backyard offers tremendous potential for outdoor living, landscaping, entertaining, or future possibilities.The basement also presents the potential for a walk-up basement