Welcome to 4170 Sunset Valley Court, a true gem nestled in the highly desirable Rathwood community of Mississauga. Offered for sale by its original owner, this lovingly maintained home is move-in ready, showcasing true pride of ownership throughout. Set on a premium 40' X 150' lot, this spacious property offers endless finished living space, including a lower level 2 bedroom in law suite, perfect for growing families, multi-generational needs or investors! The bright, functional layout includes endless space for family get togethers and entertaining. Upstairs, three large, light-filled bedrooms offer comfort and tranquility for the whole family. An additional main-floor bedroom or office adds rare flexibility, whether you're accommodating guests, extended family, or working from home. The main level boasts an expansive kitchen with dine in area, upper & lower family rooms as well as a formal dining room. A lovely sitting room off the back of the property provides the perfect space for enjoying a peaceful evening. The finished basement is a standout feature, offering a two bedroom separate living space with private entrance, dine in kitchen, large family room, 3 piece bath & laundry facilities. This self-contained in-law suite is perfect for extended family, to generate rental income or to offer independent living arrangements. Located on a quiet court in one of Mississauga's most sought-after neighbourhoods, this home is steps from top-rated schools, parks, shopping, and transit, with quick access to major highways. Whether you're looking for a family home, an investment opportunity, or both, 4170 Sunset Valley Court delivers on space, value, and location. This is a rare opportunity not to be missed!