The Exception. Two words that describe Henry de Keratry, Sr. As a master builder and broker, Henry is centered between two diversities of real estate. Henry's experience dates back some 30 years and continues to grow! In establishing DeKeratry Custom Homes, he now has seen the need through past clients to begin a real estate division. Owner of KERA Realty, a full service real estate company, is his latest venture with his son. In building and real estate sales "details" are key, and Henry has every detail covered.