12139 Castilla Rain Avenue Beautiful single-story home in the gated Los Altos community of Summerlin, offering a thoughtfully designed floor plan and exceptional indoor-outdoor living. The main residence features three ensuite bedrooms plus a dedicated office, while the private casita includes a living room with kitchenette, bedroom and full bath-ideal for guests or extended stays. The open living area features a modern fireplace, tray ceilings and expansive sliding doors that open to the courtyard and backyard. The kitchen is centered around an oversized waterfall island with upgraded appliances, double ovens and generous seating. The spacious primary suite includes a custom walk-in closet and bath with an extra-large shower and separate soaking tub. Outside, enjoy a beautifully landscaped backyard with a pool and spa, outdoor kitchen, covered patio and multiple areas for relaxing and entertaining. Additional features include upgraded lighting, upgraded window coverings and epoxy flooring in the garage.