Homes Of Sale In Oakville CA | St. Helena Real Estate 2 years ago ID: #557683 Listed In : Real Estate 1346 MAIN STREET ST. HELENA, CA 94574 707-967-9570 https://sthelenarealestate.com/oakville/ Business Description Formally declared a distinct appellation within the Napa Valley AVA in 1993, the Oakville AVA produces outstanding Bordeaux varietals, most notably Cabernet Sauvignon. Reviews & Ratings Write a Review No Review. Please login / register to add your review.