The Trousdale Estates home, which has been redesigned and updated but maintains its Neff footprint, is entered through a landscaped motor court with a central fountain. The one-story contemporary has strong horizontal lines, with walls of wood and glass, and terrazzo and walnut floors. There are five bedrooms and six bathrooms in slightly more than 6,000 square feet.
Marx, the brother identifiable by his trademark cigar, wire rims and fake eyebrows and mustache, made films both with his siblings, including "Duck Soup" (1933) and "A Night in Casablanca" (1946), and without, such as "Copacabana" (1947), in which he played opposite Carmen Miranda.
He hosted the radio quiz show "You Bet Your Life," which later was picked up by television and ran from 1950 to 1961.
The actor shared the home with his third wife, actress Eden Hartford, until his death in 1977 at the age of 86.
The listing agents are Jeeb O'Reilly of Hilton & Hyland, Beverly Hills, and Jade Mills of Coldwell Banker, Beverly Hills.