1357 Onyx Circle OPEN HOUSE Sat (03/28) & Sun (03/29) from 12:00-3:00 pm. Impressive views. Expansive living. Prime location. Your search is over! Welcome to a model-perfect residence tucked away on a private cul-de-sac, offering 3, 572 sq ft of living space on a generous 10, 018 sq ft sized lot that offers excellent potential for an ADU and/or a pool, providing flexibility for extended family or future rental income. Complete with a 3-car garage, views of the city lights, surrounding mountains, and the natural beauty of the Cleveland National Forest. Ideally located just minutes from Orange County, this home delivers the perfect balance of accessibility and tranquility, with the renowned Skyline Trail just moments away. The thoughtfully designed floorplan features 5 bedrooms, 4 bathrooms, and a spacious loft, including a large upstairs bedroom with its own attached bathroom (junior suite). Interior highlights include hardwood flooring, travertine tile, soft water system and water purifier, an upgraded kitchen with granite countertops, maple cabinetry with glass accents, double oven and stainless steel appliances. The family room includes custom built-in cabinetry, and opens to the main living areas. A highly desirable main-floor bedroom and full bathroom with walk-in shower provides flexibility for guests or multi-generational living. Upstairs, the expansive primary suite includes a dedicated sitting area, upgraded bathroom, and walk-in closet with built-ins. Additional features include a large loft/bonus room with cabinetry and DUAL STAIRCASES plus surround sound in the family room, primary bedroom and the loft. Recent upgrades include two brand new air conditioning systems and a fully paid solar system. The backyard features low-maintenance turf, a putting green, a covered patio, and extended concrete hardscape, offering a spacious setting for outdoor living and entertaining. Located within the Corona-Norco Unified School District, with access to well-rated local schools plus minutes from shopping, dining, and entertainment at The Crossings at Corona and Dos Lagos. Some photos have been digitally enhanced.