The Landsman Companies are a family of companies devising and implementing innovative strategies in real estate development, construction and management. We work together today to ensure the value of your tomorrow Landsman Development Corp. (LDC) was established in 1971 by its chief executive officer, Elliott Landsman, who has been involved in real estate development since 1960. Since its inception, the company has developed a wide variety of projects, both commercial and residential. LDC corporate headquarters are at 3 Townline Circle, Rochester, New York.