The buyers are artist Alexandra Nechita and her boyfriend, Suh-Tahn fashion designer Dimitri Tcharfas.
The renovated 1931 country English-style house has a step-down living room with vaulted ceilings and fold-away glass doors that open to a patio with city views. The breakfast room is a turret with beamed ceilings and built-in seating. There are three bedrooms and two bathrooms.
A waterfall spa is the focal point of the saltwater pool. The built-in barbecue has a Viking grill.
McGrath, 42, performs with the rock band Sugar Ray and was a co-host on "Extra" (2004-08). He bought the property in 1995 for $365,000, public records show. It was listed at $1,199,000.
Romanian-born Nechita, 25, is a cubist painter who gained the nickname of the Petite Picasso as a child prodigy.
Wendy Kjorness of Keller Williams Realty's Sunset office was the listing agent, while Justin Mandile and Mary Swanson of Sotheby's International Realty, Beverly Hills, represented the buyers, according to the MLS.