Welcome to 904 Siena Hills Lane, a beautifully upgraded home in the heart of Summerlin's highly sought-after 89144 zip code. Ideally located just minutes from Summerlin Hospital, Summerlin Centre, shopping, dining, and top-rated schools, this home offers the perfect combination of location, comfort, and value. Situated on a 4,356 sq. ft. lot with 1,649 sq. ft. of living space, this two-story home is filled with natural light and features an open-concept floor plan connecting the living room, dining area, and kitchen. A striking two-way gas fireplace separates the formal living room and family room, creating warm and inviting spaces for entertaining and everyday living. With over $40,000 invested in upgrades within the past two years, this home is an exceptional value. Major improvements include a paid-off Tesla Solar System providing substantial monthly energy savings, brand-new A/C, new furnace, new water softener, EV charging station, Nest thermostat, Ring doorbell, and exterior security cameras-allowing the next owner to enjoy peace of mind without the expense of major future improvements. The home backs to Summerlin Hospital, providing no homes directly behind for added privacy-a rare find in Las Vegas. Residents enjoy access to a huge resort-style community pool and spa complete with bathrooms and relaxing lounge areas. Just a short walk away is The Crossings Park, one of Summerlin's premier neighborhood parks, featuring expansive greenbelts, walking paths, open fields perfect for soccer and outdoor activities, playgrounds, and plenty of space to walk and play with your dogs. Whether you're looking for a primary residence or a smart investment, this move-in-ready home offers premium upgrades, energy efficiency, outstanding community amenities, and an unbeatable Summerlin location at an exceptional value. Schedule your private showing today!