Rutherford is an unincorporated community in Napa County, California, United States. Rutherford is located in the Napa Valley AVA. The Robert Mondavi Winery is located between Rutherford and neighboring Oakville (though its corporate headquarters are in nearby St. Helena). Other notable wineries in the Rutherford area include Beaulieu Vineyard, Grgich Hills Estate and Rubicon Estate Winery which was originally established as Inglenook Winery. Rutherford's zip code is 94573. It is inside area code 707.