In 1989, two years after Una's death, the house and its  grounds were sold by the Walker heirs to Masao Nangaku of Minami Group (USA) Inc. for $8.5 million. His intention was to restore the original house to be used as a corporate retreat.
In 1989, two years after Una's passing, the house and its grounds were sold by the Walker heirs to Masao Nangaku of Minami Group (USA) Inc. for $8.5 million. His goal was to restore the original house to be used as a corporate retreat.