In May 2024, Related acquired 625 Madison Avenue from SL Green Realty Corporation. The existing 535,000-square-foot commercial office building was originally constructed in 1956. It holds historical significance for Related, which previously owned and renovated the property in 1986. The building served as Related’s headquarters from 1986 until 2004. The 35,146-square-foot site offers an opportunity for a high-density, mixed-use development, with no height restrictions and sweeping 360-degree views of Central Park and the New York City skyline.