Mountain Summit Apartment Homes in Ontario, Ca feature newly renovated one, two, and three-bedroom homes with sought-after amenities such as: updated kitchen packages with granite, private patios, and ample storage. All of our homes are designed to make your life a little easier. At Mountain Summit our residents are offered all the luxuries of a Fitness Center, Business Center, Clubhouse, and Playground. We are conveniently located near shopping, malls, schools, freeways, parks, and the Ontario International Airport. We look forward to making Mountain Summit your new home. Welcome Home!