Dream Luxury Estate in Exclusive Hawarden Hills Living connects with nature harmoniously in this incomparable custom-built Hawarden Hills Estate. As you enter the exclusive private Tiburon drive you are immediately struck by the privacy this hilltop Estate has to offer. Amazing architectural elements begin the story from the moment you step inside. The gorgeous interior features floor to ceiling windows that offer unobstructed breathtaking views of the of the surrounding mountains, city lights and the famous landmark Mount Rubidoux. The main-level features a formal living room with a step-down bar and custom-built fireplace. The formal dining room flows nicely between the living room and gourmet kitchen that features a center island, quartz counter tops, professional grade appliances and a eat-in kitchen area. The family room is perfect for more casual living featuring a beautiful fireplace and custom built-in bookcases. The large home office includes custom-built cabinetry and is conveniently located off the entry. The Master retreat is also located on the main-level making this ideal for single level living when the lower level bedrooms are not being utilized. The Master retreat features a relaxing sitting area with a cozy two-sided fireplace and stunning views. The master bathroom offers an over-sized soak tub, walk-in shower with a view, dual sinks and walk-in closets. As you make your way to the lower level, you can choose the elevator or stairway. Once on the lower level you have your choice of three unique and spacious ensuites, each featuring direct access to the outdoor living space and private patios. The game room is the center piece of this living area featuring a wet-bar and direct access to the outside entertainment areas. The custom-built wine cellar is sure to excite any wine enthusiast while the home-gym has room for all your exercise equipment. As you step outside to relax in this beautiful outdoor living space you immediately appreciate the elevated privacy of being on the hilltop. The expansive patio area surrounding the pool/spa and covered built-in barbecue kitchen with endless views makes this a perfect center piece for relaxing or entertaining. The 4 car garage also features a workshop area and sauna. Enjoy the serenity of estate living in the heart of Riverside.