Welcome to this extensively upgraded Norco Hills equestrian estate, set on approximately one acre overlooking the 17th hole of Hidden Valley Golf Club with sweeping mountain, golf-course and city-light views. An automatic gated entrance opens to an expansive finished motor court with parking for eight or more vehicles, substantial RV access and an attached four-car garage. Inside, a grand foyer with a sweeping spiral staircase introduces elegant living spaces with hardwood flooring, crown molding, plantation shutters, formal living and dining rooms, a spacious family room and multiple fireplaces. The fully renovated custom kitchen is a true centerpiece, featuring rich cabinetry, dramatic stone countertops, an oversized island, professional-style stainless-steel appliances, built-in refrigeration, wine storage, a farmhouse sink, custom range hood and breakfast bar. The main level includes a private guest or multigenerational suite with its own courtyard entrance, office space and secondary garage access. Upstairs, a large loft provides additional living space, while two bedrooms share a Jack-and-Jill bath and another bedroom includes its own private bath. The expansive primary suite offers a fireplace, private balcony and panoramic views, along with dual walk-in closets, separate vanities, an oversized shower and soaking tub. The resort-style backyard is designed for entertaining with a saltwater pool and spa, expansive patio and lounge areas, a covered outdoor kitchen and bar with generous seating, integrated backyard speakers, artificial turf and a landscaped palm-lined hillside. Additional features include a whole-home automation system, reinforced security screens, hardwired security cameras and fully paid-off solar panels. Private, gated and exceptionally well equipped, this one-of-a-kind property offers luxury, security, multigenerational flexibility, extensive parking and outstanding indoor-outdoor living in one of Norco Hills' most desirable settings.