Welcome to this luxury estate in the highly sought after Mt. San Antonio neighborhood of Yorba Linda, situated on private streets with approved plans for a gated entrance to ensure even more privacy and security. Available for the first time on the market, this Plan 5 former model home is the largest floorplan offered & sits on one of the best lots in the community, a 1.06-acre private cul-de-sac property with ADU and RV potential, zoned for horses, & surrounded by a beautiful neighborhood of horse trails, hiking, & biking paths that back up to Chino Hills National Forest. The home spans 5,734 sq ft & offers 5 spacious en-suite bedrooms and 6 baths. Inside, you'll find beautiful flooring throughout & professional designer finishes. The double door entry with custom beveled glass opens to an entertainer's dream floor plan with 2 staircases & multiple living & entertaining spaces. The chef's kitchen boasts a large island with seating and a prep sink, top of the line appliances including Sub Zero, Thermador, Bosch, and U-line, plus a walk-in pantry. The home also features a custom full bar with seating for six, a leathered quartzite bar top, wine & beverage refrigerator, Scotsman cocktail ice maker, cigar humidor, & a copper sink, with La Cantina bi-fold doors opening to the expansive patio. Additional highlights include a 4-car garage with epoxy floors, an upstairs bonus room with a large deck and fireplace, a hidden A/V room under the stairs, & a fully integrated Control4 whole-house automation system managing lights, HVAC, music, TVs, alarm, cameras, pool equipment, & Lutron window shades. Speakers throughout the home, garage, patios, BBQ area, putting green, and pool areas ensure seamless indoor-outdoor living. The backyard is a private resort like retreat, complete with an infinity edge rock pool featuring a water slide, grotto with jets, waterfalls, water features, & spa, as well as two lava rock firepits, 5 fireplaces total throughout the property & endless spaces to gather & entertain. Outdoor amenities include a kitchen and BBQ area with Viking appliances, a 2 tap kegerator, a 6-hole putting green with 2 sand traps & a chipping green, mature oak trees, fruit trees (lemon, orange, tangelo, lime, peach, plum and avocados), plus two garden boxes ready for spring planting. Stunning Catalina, Disneyland fireworks, & sunset views. With beautiful curb appeal, this home embodies luxury, privacy, and lifestyle. This is truly a dream property and a rare find.