STUNNING CUSTOM ESTATE, Over 4,000 SF FT Resort-Style Pool, Whole-Home Generator System Welcome to 426 Stone Canyon Dr, an exceptional Sunnyvale estate where striking architecture, refined finishes, and resort-style outdoor living come together. Nearly 4,000 SF offers 5 bedrooms, 3.5 baths, and extensive upgrades throughout. Freshly painted inside and out, the home features custom iron entry doors, natural quartzite, custom stone accent walls, kitchen backsplash and island detailing, 3 fireplaces, and extensive built-ins and cabinetry. The spacious primary suite includes a private office, custom built-ins, and fireplace details. The oversized 2-car garage features a decorative floor and water line for an additional refrigerator or stove. Enjoy LED lighting with dimming, exterior solar shades, foam attic insulation, and 4 thermostat controls. The backyard is a private retreat with a gorgeous pool, 6-month-old water slide, newer Pentair pool heater, pool filter, gas fire pit, cabana areas, and gas connection for an outdoor grill. Decorative concrete overlay extends from the garage throughout the backyard. Approximately $40K in landscaping, custom fencing, irrigation with individual tree drip lines, mature palms and pines, and an enclosed gated pool equipment area complete the outdoor space. Major improvements include a whole-home backup generator, approximately 2-year-old energy-efficient HVAC, approximately 1.5-year-old metal Spanish-style shingle roof, newer black gutters, and Ring security system with interior-exterior coverage and alarm conveying. HOA walking trail directly adjacent to the property. A rare opportunity to own a truly distinctive custom home designed for exceptional living and entertaining.