Welcome to Cornerstone Apartments in Anaheim CA Cornerstone is a community offering a great residential environment, beautiful amenities and excellent services for our residents. We offer two & three bedroom apartment homes that are sure to please! Whether you would like to participate in any of the many resident activities offered or relax in the comfort of your beautiful, amenity filled apartment home, Cornerstone is sure to have something for you. Club House. High Speed Internet Close to Shopping and Dining. Playground. Business Center. Fitness Center. On-Site Laundry. Other lease term options available with price depending.