Chaim Rabinovich’s Flushing Thornton LLC acquired the ground lease and fee interest in the 73,210-square-foot office building at 731 Flushing Avenue in Williamsburg, Brooklyn, for 26.5 m from sellers Zachary Lewis, Bernard Ettinger, and Shiya Labin. The deal included a 26.2 m ground lease and a 300k fee. The property, valued at $18.2 million in 2022, generates $2.4 million annually. Zoned C4-3, it has no major construction projects.