Architect Gordon Kaufmann designed the residence and ancillary structures, and construction was completed in 1928.

[2][4] The official story indicated that Plunkett murdered Doheny either because of a "nervous disorder" or because he was angry over not receiving a raise.

[5] Doheny's widow, Lucy, remarried and lived in the house until 1955, when she sold the grounds to Paul Trousdale, who developed it into Trousdale Estates and sold the mansion to Chicago industrialist Henry Crown, who rented it to film studios.

[2][4] The estate became a city park on September 16, 1971, and on April 23, 1976, was added to the National Register of Historic Places.

[6] Greystone is now a public park[7] and a location for special events, including the Beverly Hills Flower & Garden Festival.

[4] In addition to numerous events that take place there, the mansion plays host each year to Catskills West, a theater arts and drama camp run by Beverly Hills Parks and Recreation, from mid-June to early August.