Welcome to an exceptional, turnkey multifamily opportunity in the highly sought-after market of Ontario, California. Setting a tone of prestige from the moment of arrival, a grand, sweeping circular driveway welcomes you to this expansive 0.48-acre estate. This property features 3 detached homes making it an ideal asset for investors seeking robust rental income or families desiring a multi-generational living compound. Each home boasts its own dedicated property address, individual front mailboxes, with separate water meters, gas meters, and electric meters, ensuring complete autonomy for occupants. These homes also has an all new drainage connection to public sewer. The main residence offers a spacious 1,714 square feet of living space, featuring 3 bedrooms and 3 bathrooms. The property also includes two newly constructed detached units: Residence B, a 1,000-square-foot 3-bedroom, 2-bathroom home, and Residence C, an 800-square-foot 2-bedroom, 2-bathroom home. Both newly built units are equipped with brand-new solar panels, adding immense energy efficiency and long-term value. Every unit has been meticulously upgraded to offer modern luxury and comfort. Interiors showcase premium laminate wood flooring, elegant tile bathroom floors, and chef-inspired kitchens with shaker-style cabinetry, quartz countertops, and stainless steel appliances. Modern lighting and fixtures illuminate the spaces, while state-of-the-art heat pump HVAC systems and heat pump water heaters provide year-round, energy-efficient climate control. Furthermore, each home includes a convenient all-in-one washer/dryer area. The exterior grounds have been completely revitalized with fresh landscaping, newly planted trees, and a continuous privacy hedge. The expansive lot provides no shortage of space, offering an attached two-car garage and ample additional on-site parking for multiple vehicles. Don't miss your opportunity to own this uniquely upgraded true gem!