Multi-family living at its best! This rare 4 bdrm plus office, single-story estate comes with two separate living areas all on a large ½ acre horse property lot. The one bdrm ADU has its own separate entry, full kitchen, bath, and living space. No cost was spared in providing high-quality upgrades. Upon entering the home, you have an unobstructed view of the backyard and custom pool through the large sliding glass wall doors. Wood and travertine flooring are provided throughout the home. The open floor plan with high ceilings adorned w/ crown molding includes a large kitchen with an extensive granite countertop perfect for entertaining guests. The kitchen is also equipped with stainless steel kitchenaid appliances, a built-in sub-zero refrigerator, and a large walk-in pantry. Open the wall of sliding glass doors to bring the outdoors in and enjoy your personal resort style backyard that was designed for entertaining with two separate covered outdoor areas. The backyard offers a built-in BBQ/bar area, outdoor fireplace and TV, or relax in the beautiful large Pebble Tech pool/spa complete with fire bowls. The second outdoor space is an intimate outdoor loggia space with a beautiful fountain. Landscaping is easy to maintain with turf installed and drought-tolerant plants in the backyard. A large separate private fire pit area is perfect for conversing with guests. This home comes equipped with surround sound, a wired security camera system, owned solar panels, tankless water heater, electrical vehicle charging outlet, and RV access. No HOA. Located in the top-rated Etiwanda school district with elementary, middle school, and high school all within walking distance. Conveniently located near shopping and Ontario Airport.