Welcome to this exceptional multi-dwelling estate located on a quiet cul-de-sac in the highly sought-after Etiwanda School District with mountain VIEWS! This unique property offers a rare combination of space, functionality, and resort-style amenities, ideal for multi-generational living or rental income potential. The main residence features 4 bedrooms and 4.5 bathrooms, thoughtfully designed for both comfort and privacy. Upstairs, you’ll find three spacious bedrooms, each with its own ensuite bathroom and walk-in closet, including the primary suite, which boasts his-and-her sinks and a spacious, luxurious layout. A loft with a bar and office space upstairs adds even more flexibility for work, entertaining, or relaxation. Downstairs includes a fourth bedroom with its own private ensuite bathroom and walk-in closet, along with a convenient powder room for guests. The heart of the home is the recently renovated kitchen, featuring new appliances and a large pantry, perfect for everyday living and gatherings. Adding incredible versatility, the property includes two additional living spaces: an attached studio with its own private entrance and FULL bathroom, ideal for a guest suite, home office, or gym AND a spacious 885 sq ft detached CASITA, complete with 2 bedrooms, 1 bathroom, kitchen, living room, indoor laundry, and large closets in both bedrooms—offering independence and comfort for extended family guests or additional income. Step outside to your own private oasis, featuring a sparkling heated pool and spa, fruit trees, and beautiful landscaping with artificial grass for easy maintenance. The property also offers RV parking and two SEPARATE 2-car garages, providing ample space for vehicles, storage, or a workshop. Located just minutes from Victoria Gardens Shopping Center, top-rated schools, restaurants, and freeway access, this home is a rare opportunity to own a truly multi-functional and luxurious compound in prime Rancho Cucamonga!