Perfectly positioned on a quiet, tree-lined street, 246 Roosevelt Blvd showcases a beautifully updated home that blends modern comfort, thoughtful design, and suburban tranquility. Set on nearly an acre of level property, this residence delivers exceptional space both inside and out - ideal for entertaining, working from home, or multigenerational living. Step inside to an inviting open-concept floor plan filled with natural light and warmth. The chef's kitchen impresses with Sub-Zero refrigeration, Bosch double ovens, a five-burner cooktop, and radiant-heated floors that extend throughout much of the main level. The home features three spacious bedrooms and two full baths, including a serene primary suite designed for relaxation. Comfort and efficiency define the home, featuring a five-zone propane radiant heating system, two-zone central air, a 15-zone in-ground sprinkler system, and a whole-house water-filtration system. A partially finished walk-out basement with a separate entrance provides flexible options for a mother-daughter or in-law suite, home gym, or recreation space. Outdoors, the expansive driveway easily accommodates multiple vehicles - with plenty of room for a camper or boat - and leads to a two-car garage. A newer roof outfitted with solar panels enhances energy efficiency and reduces monthly utility costs, combining long-term savings with sustainability. Located in the highly regarded Hauppauge School District, this property offers the perfect blend of privacy, convenience, and modern living just minutes from shopping, dining, and major highways. A true turn-key opportunity in one of Suffolk County's most desirable neighborhoods.