Louis Kestenbaum (born 1952) is an American real estate developer who is the founder and chairman of New York City-based Fortis Property Group.
[4] In the early 1980s, Kestenbaum paid $4 million for Austin, Nichols and Company Warehouse, a vacant 500,000-square-foot industrial property at 184 Kent Avenue in Williamsburg, Brooklyn.
[4] Kestenbaum later converted the building to apartments and tripled his rental income using the proceeds to buy other properties in the neighborhood.
[5] In 2004, he co-founded the Fortis Property Group with his son and Jonathan Landau, a modern Orthodox Jewish attorney from Cleveland, Ohio.
[5] Within two years, the company acquired over $3 billion in properties, primarily Class A office buildings in Dallas, Boston, and Norfolk, Connecticut.