Founded in 1992 by Sonya Gusson, Cornerstone Realty Specialists is based on the simple principle: The mission of a service company must indeed be service. The company quickly established itself as one of the most innovative real estate firms in Eastern eastern suburbs of Johannesburg. Cornerstone Realty Specialists also recognized the important role that a technologically sophisticated environment could play in the conduct of a service-based business in a rapidly evolving economy, globally. As a result, Cornerstone Realty Specialists became recognized as a leading firm that provides its clients and customers with real tools and resources to achieve brilliant results. Sonya Gusson, a mainstay in the industry for over 26 years, excelled to great heights in her field thanks to her exceptional knowledge of the market, proven flair for successful deals, and strong relationships with clients and peers alike. Our unique approach ensures that our clients, customers and properties get the attention they deserve. Sonya Gusson illustrious real estate career has afforded her to also commit to many humanitarian projects of great interest and importance to the well-being of our planet and the environment. Thus her holistic approach to life on all levels is highly sought after by her clients and peers.