Marshall White director and selling agent Justin Long declined to comment on the identity of the buyer.
The 1970s brick house adjoins a grand residence on 6000sqm and is owned by a company vehicle whose directors include Solomon Lew and live apart from Rose Lew. Since their separation, Mr Lo has been linked to a luxury apartment on St Kilda Road.
Wealthy families living nearby include branches of the Waislitz family, Smorgons and Gandels.
Toorak sellers have been showing confidence this autumn, bringing a string of high-end homes to market.
Crondon Road Mansion Andrew Sahhar of Kay & Burton and Marcus Chiminello of Marshall White listed price hopes of $42 million to $46 million.
