53,000-square-foot Mitsubishi building will take over one of few agricultural spots left in Fountain Valley. By ANNIE BURRIS The Orange County Register Comments 16| Recommend 4 FOUNTAIN VALLEY – There will be less space to grow strawberries this year. Construction has begun on a forgotten Fountain Valley strawberry field for a new headquarters for car company Mitsubishi -- the latest step in a planned build-out of the Sakioka Co.'s property bordered by...