Welcome to 20 Karen Court, a like-new Emerson model home built in 2021 and beautifully positioned on a quiet cul-de-sac in the sought-after Sleight Farm community. Set on more than half an acre within the Arlington Central School District, this impressive home offers approximately 3,140 square feet of finished living space, Central Air, four bedrooms, four bathrooms, and a versatile layout designed for comfortable everyday living and entertaining. A charming front porch, manicured lawn, mature landscaping, and an attached two-car garage create an inviting first impression. Inside, hardwood floors and abundant natural light complement the spacious open-concept design. The beautifully appointed kitchen features white cabinetry, granite countertops, stainless steel appliances, double wall ovens, a tiled backsplash, recessed lighting, and a large center island overlooking the expansive living area. Upstairs, the generous primary suite offers a walk-in closet and spa-inspired en-suite bathroom with a double vanity and oversized glass-enclosed tiled shower, while an upper-level laundry room adds everyday convenience. The legal finished basement provides substantial additional space for a recreation room, home theater, gym, office, or guest area and includes a half bathroom with direct access to the backyard. Outside, enjoy multiple spaces for relaxation and entertaining, including the elevated rear deck and spacious patio overlooking a park-like backyard surrounded by lush trees set at a comfortable distance for privacy without sacrificing the open landscape, plus a sprinkler system. Conveniently located near Routes 44 and 55, the Taconic State Parkway, the Mid-Hudson Bridge, shopping, dining, parks, colleges, the Poughkeepsie Metro-North and Amtrak station, and attractions such as the Walkway Over the Hudson, this exceptional home delivers modern construction, generous space, beautiful surroundings, and outstanding Hudson Valley convenience.