Discover exceptional design and functionality in this elegant Toll Brothers estate, located in the prestigious 24-hour guard-gated community of Altair Irvine. This thoughtfully upgraded 5-bedroom, 5.5-bathroom home offers approx. 5,309 square feet of refined living space on one of the most prominent lots on the street, offering impressive curb appeal and a wide frontage. A grand entry welcomes you into a light-filled interior with a seamless indoor-outdoor connection. The main level features an open-concept Office and great room with expansive sliding glass doors and four convenient access points connecting the home to the yard, enhancing flow and flexibility. The gourmet kitchen is equipped with premium Wolf and Sub-Zero appliances, a walk-in pantry, and a large center island. A separate prep kitchen offers additional space for culinary needs, ideal for hosting or daily cooking routines. Enjoy your morning coffee in the dining area while taking in sweeping mountain views, setting a tranquil tone for the day. The professionally designed backyard includes a private putting green, a tranquil waterfall feature, and multiple areas for entertaining and relaxation. The soft water system and other thoughtful upgrades elevate everyday comfort. Upstairs, the luxurious primary suite boasts a spa-inspired bathroom with soaking tub, oversized shower, dual vanities, and walk-in closets. Three secondary ensuite bedrooms and a spacious loft complete the upper level. A main-floor guest suite provides added convenience.