Silicon Valley Location: Gavin Belson's Mansion → 3300 Palos Verdes Drive West, Rancho Palos Verdes

The interior and exterior scenes of Gavin Belson’s Mansion were shot at 3300 Palos Verdes Drive West, Rancho Palos Verdes, CA. (Google arial view)

Exterior from S04E04 - Teambuilding Exercise

Exterior Google aerial view - 3300 Palos Verdes Drive West

Interiors from Silicon Valley

Interiors of 3300 Palos Verdes Drive West

Source