A rare private large corner-lot residence, this high-quality modern home by Toll Brothers is located within Irvine’s prestigious 24-hour guard-gated Altair community, offering exceptional craftsmanship, a thoughtfully designed modern floor plan, and elevated California living. Extensively upgraded throughout, every detail has been carefully curated. The home features approximately 5,318 sqft of interior living space, plus two enclosed balconies providing an additional ~500 sqft of versatile usable space(not included in 5318 sqft). Set on a nearly 9,000 sqft lot and bordering a community greenbelt, the backyard offers a rare sense of openness and privacy. A dramatic three-story foyer welcomes you with a full-height Italian stone accent wall and modern chandelier lighting. A private office with custom-built desks included, a guest suite, and a powder room are conveniently located on the main level. The open-concept kitchen showcases floor-to-ceiling cabinetry, premium Wolf appliances, Sub-Zero refrigerator, a marble waterfall island with an extended breakfast table, and walk-in pantry. The light-filled Great Room features three-sided windows and an upgraded linear fireplace, while the formal dining area includes a temperature-controlled wine cooler and opens to the California room with a dual-sided bar and outdoor kitchenette. The second floor hosts four ensuite bedrooms, highlighted by a generous primary suite with a marble bath and a custom California Closets walk-in closet, along with a versatile loft featuring a projection system and an enclosed balcony. The third floor is designed for entertainment and relaxation, offering a bonus room, a full bath, and an enclosed balcony. The resort-style backyard is designed for year-round enjoyment, featuring an outdoor kitchen, motorized shades, a putting green, fruit trees, a sunken fire pit seating area, waterfall features, a heated pool and jacuzzi, and an outdoor shower. The garage is finished with epoxy flooring, custom cabinetry, and a Tesla charger. Additional highlights include fully owned solar panels and a whole-house water purification and soft water system. Altair offers a true resort-style lifestyle with a 7,000-square-foot clubhouse, pools, tennis courts, parks, and fitness facilities, with walkable access to top-rated Irvine Unified School District schools from elementary through high school, and just minutes from Irvine Spectrum and the Great Park.