Find the Best South Bay Wineries in Portola Valley California No Records FoundSorry, no records were found. Please adjust your search criteria and try again. Google Map Not LoadedSorry, unable to load Google Maps API. Wineries Events SearchSearch SearchSearch Home » Bay Area Urban Wineries » California » Portola Valley » South Bay Wineries Regional Wineries A-Z Portola Vineyards No Reviews Favorite Phone: +1 650-906-1059 850 Los Trancos Road Portola Valley, California 94028 United States