Prestigious Santiago Estates - Temecula's premier address. Ideally positioned along “Millionaire Row,” this refined estate spans nearly 4 private, usable acres, offering serene views, exceptional privacy, and an elegant residence designed for luxury living. The home showcases 5 spacious bedrooms, including a main-floor primary suite, along with a sophisticated formal living room, formal dining room, and a private executive office. Light-filled interiors, high ceilings, and three wood-burning fireplaces create an atmosphere of warmth and timeless style. The gourmet kitchen features granite countertops, double ovens, stainless steel appliances, and an inviting breakfast nook that opens seamlessly to the estate's outdoor living spaces. The grounds are nothing short of resort-caliber. Enjoy a lighted tennis court, expansive entertaining patios, and a dramatic infinity-edge pool enhanced by waterfalls, a slide, and a diving platform-an entertainer's paradise and a true retreat. A beautifully designed guest house provides exceptional versatility with a full kitchen, bathroom, and an upstairs family room with a private balcony-ideal for extended stays, multi-generational living, or a high-end studio. With abundant additional land for horses, vineyards, orchards, or future enhancements, plus paid-for solar, this estate offers both luxury and long-term value. Perfectly located just minutes to town, shopping, dining, and Temecula's renowned Wine Country-this is an extraordinary offering in one of the valley's most prestigious and sought-after communities.