Opus One was founded in 1979 as a partnership between Robert Mondavi and Baron Philippe Rothschild. That year, Tim Mondavi and Lucien Sionneau collaborated to make the project’s first wine. Vineyard acquisitions followed, including part of To Kalon and Ballestra.
By the mid 1980s, Opus One was selling over 10,000 cases of wine a year at a price point previously unheard of by a California producer. In 1991, the iconic winery building was completed on the east side of Highway 29. Scott Johnson’s design is a fusion of contemporary and classical architecture, accurately portraying Opus One’s philosophy in the vineyard and winery.
The success of Opus One begins in the vineyards. Their meticulous care of the vines produces only the finest grapes. Grapes that do not meet these high standards are discarded. Opus One uses an optimized mixture of traditional and modern farming methods to ensure the highest quality product.
The winery has evolved from producing 100% big Cabernet Sauvignon in the California style to more balanced, red Bordeaux blends. Opus One uses different percentages of the Bordeaux varietals including, Cabernet Sauvignon, Cabernet Franc, Merlot, Malbec, and Petit Verdot.
The Partners’ Room is open from 10am to 4:00pm by appointment.