Welcome Home! Discover this beautiful, well maintained (Original Owners) 5-bedroom, 3-bathroom residence located in the PRESTIGIOUS, highly desirable and secure gated community of Cornerstone. Gorgeous Mountain Views!! Surrounded by majestic mountains, this home offers generous space, comfort, and abundant natural light, this home is designed for both everyday living and effortless entertaining. Fresh new paint and shutters throughout most of the interior home. Leased solar panels. Step inside to an inviting open-concept layout that seamlessly connects the family room with a cozy fireplace, dining area, and gourmet kitchen—creating a spacious, functional living space perfect for gatherings. The chef’s kitchen features a large granite island, walk-in pantry, and extensive counter space ideal for cooking, hosting and family meals. The main floor includes a private ensuite bedroom, perfect for guests, parents/family members, multi-generational living, or a home office setup. Step outside to a welcoming backyard where children can enjoy the built-in sandbox under a secured pergola, while you tend to the garden beds or relax in your peaceful outdoor retreat. Upstairs, you will find a large loft, four additional bedrooms, and a conveniently located laundry room. The expansive primary suite offers a huge walk-in closet and a luxurious bathroom complete with a soaking tub and separate walk-in shower. Nestled in a peaceful, secure community, Cornerstone offers resort-style amenities including sparkling pools, clubhouse, playground, BBQ areas, scenic walking trails, and security patrol. Conveniently located near Top-Rated Etiwanda and Chaffey School Districts, Victoria Gardens, Ontario Mills, shopping centers, vast dining options and major freeways-everything you need is just minutes away. Don’t miss out on this one-of-a-kind home! You will love this home! **Some photos are "Virtually Staged"