 Masson was able to weather the strains Prohibition placed on the wine industry by selling grapes to the wholesale market and by receiving a special dispensation to sell sacramental wines.After the 1906 San Francisco earthquake, the sandstone winery was rebuilt, making use of sandstone blocks from the Saratoga Wine Company's building on Big Basin Way, which had also been destroyed.At this same time, the ancient entrance portal from St. Patrick's Church in San Jose, yet another structure claimed by the quake, was added to the structure.