Welcome to 23 Constantia Street - Fully Upgraded Family Home with 2-Bed Legal Basement Apartment in Prime Middlefield! Welcome to a stunning, fully upgraded 4+2 bedroom, 5-washroom detached home in the highly sought-after Middlefield community of Markham. From the moment you walk in, you'll notice the quality and care-this immaculate residence offers modern, comfortable living with over $100K in upgrades throughout. Main level boasts an upgraded gourmet kitchen with quartz countertops, premium cabinetry, backsplash & high-end appliances, flowing seamlessly into spacious living and dining areas with pot lights and hardwood floors. Upper level features 4 generously sized bedrooms including a primary retreat with upgraded ensuite , custom wardrobe and walk-in closet. Fully upgraded washrooms throughout. Fully finished basement complete with a 2-Bedroom Apartment featuring separate entrance, upgraded kitchen, 2 washrooms, large windows, laminate flooring, and open-concept living - Perfect for extended family, rental income, or mortgage helper! Additional Highlights: Double Car Garage, upgraded light fixtures, pot lights throughout, large lot, no sidewalk. Prime location steps from schools, parks, transit, shoppingPlaza & more. Minutes to Markham Rd / Steeles Ave E, Hwy 407, Centennial GO & Markham GO. A rare opportunity to own a turn-key, income-generating home in one of Markham's best family neighborhoods!