Experience unparalleled elegance in this exquisite 5-bedroom, 5.5-bath Toll Brothers masterpiece, nestled on one of the largest and most coveted lots in Altair. Spanning nearly 14,000 square feet, this extraordinary property is perched at the end of a serene cul-de-sac, offering unparalleled privacy with just one adjacent neighbor and sweeping, unobstructed views of the natural horizon and permanent open space. Every inch of this home reflects over $700K in meticulously curated upgrades, where luxury and innovation converge seamlessly. Step into the grand family room, enhanced with an expanded bonus living area, soaring ceilings, and exquisitely smoothed interior walls, all brought to life by state-of-the-art smart home technology and Klipsch surround sound speakers. The remodeled bathrooms and premium insulation throughout elevate the home's comfort and sophistication. The gourmet kitchen is a chef's dream, outfitted with Sub-Zero refrigeration, Wolf appliances, and a design that effortlessly blends form and function. Adding to the home's allure is a stunning 1,000 sq. ft. addition (not included in the listed square footage), originally permitted as a garage and now reimagined as a versatile space with insulated walls and attic. With nearby sewage and water lines, it offers limitless possibilities--whether as an ADU, guest suite, gym, or entertainment haven. Step outside into a private paradise, where a professionally landscaped yard awaits. Host unforgettable gatherings with an Italian-crafted pizza oven, a full BBQ setup with sink and water access, a mesmerizing fountain, and a sleek glass firepit that invites year-round enjoyment. The yard's 23 fruit trees and lush greenery create an enchanting outdoor retreat. The main garage is a perfect blend of utility and luxury, featuring custom cabinetry, epoxy flooring, a water softener, and a 220V outlet ready for your electric vehicle. A fully owned 8.8 kW solar system ensures energy efficiency, making this home as eco-conscious as it is opulent. Situated in Altair's prestigious 24/7 guard-gated community, residents enjoy exclusive access to a resort-style clubhouse, sparkling pools, and rejuvenating spas. Located within Irvine's award-winning school district, this home offers an unmatched lifestyle in one of the city's most sought-after neighborhoods. Don't miss your chance to claim this architectural gem and live the luxury lifestyle you've always dreamed of!