Welcome to 17 Castilla — an immaculate, turnkey home offering incredible space, modern comfort, and one of the best values in all of South Orange County! Perfectly situated in the desirable Tesoro Trails community of Rancho Santa Margarita, this beautifully maintained 4-bedroom, 3.5-bath residence features approximately 2,096 square feet of thoughtfully designed living space. Step inside and experience the bright, open-concept floor plan designed for today’s lifestyle. The spacious great room seamlessly connects the living, dining, and kitchen areas, creating the perfect space for entertaining and everyday living. The chef-inspired kitchen features granite countertops, stainless steel appliances, abundant cabinetry, and a large center island ideal for gathering with family and friends. A rare and highly desirable first-floor bedroom with a full bathroom offers exceptional flexibility for guests, multi-generational living, a home office, or private retreat. Upstairs, the spacious primary suite provides the perfect escape with a luxurious bathroom featuring a dual-sink vanity, a soaking tub, separate shower, and walk-in closet. Additional bedrooms offer generous space and functionality. A convenient laundry room is located on the top floor near the bedrooms. This home has been meticulously cared for and is truly move-in ready with central A/C, modern finishes, and thoughtful upgrades throughout. The oversized 3-car garage provides incredible storage with overhead storage racks, plus a Tesla Supercharger for convenient at-home charging. Enjoy the Southern California lifestyle with low-maintenance outdoor spaces and access to all that Rancho Santa Margarita has to offer, including beautiful parks, trails, community amenities, shopping, dining, and top-rated schools. With its spacious layout, pristine condition, desirable upgrades, and unbeatable value, 17 Castilla is a rare opportunity to own a turnkey home in one of South Orange County’s most sought-after communities!