Fresh high-end upgrades, an impressively sized floorplan, and a world-class resort-style backyard unite to create custom-caliber luxury living at this grand residence behind the guarded entry gates of Treviso at Tustin Ranch. No expense has been spared at the home, which reveals a tropical oasis with new putting green, a fireplace, custom BBQ island, and a magnificent saltwater pool and spa with rockscapes, a waterfall and waterslide. Dual staircases in a two-story entry provide the ideal introduction to the sophisticated residence, which is graced with fresh paint, travertine flooring, crown molding and new window treatments. A newly expanded great room offers a bar with wine refrigerator, a secondary staircase, and a brand-new state-of-the-art entertainment system with 7.1-channel Dolby Atmos surround sound, in-ceiling speakers, floating cabinetry, and a new Control4 entertainment and smart-home automation controller. The adjacent kitchen shines with new quartz countertops, on-trend white cabinetry, a walk-in pantry, nook, an island and a new built-in Sub-Zero refrigerator. A new home security system features cameras and a Ring doorbell. Four bedrooms and 4.5 remodeled baths are featured, including a first-floor bedroom, in approx. 4,648 s.f. Discover an office, a deck and separate balcony overlooking the front yard, and a master suite with circular foyer, a sitting area, 3-sided fireplace, dual walk-in closets, in-ceiling speakers, a large shower and separate soaking tub.