It produces wine under various labels, notably Cabernet Sauvignon, Zinfandel, Sauvignon blanc and red blends made from Lake County grapes and neighboring counties in the North Coast AVA.
[4] In 2020, the company acquired Steele Wines, another Lake County winery, which Shannon had been using as a custom crush facility.
That same year, the winery acquired the Giannecchini Vineyard in the Talmage Bench AVA of Mendocino County.
[6] The company was a key petitioner in the process to get Long Valley, in eastern Lake County, recognized as an American Viticultural Area in April 2023.
[7] The operation's 1,000 acre mountain vineyard in the High Valley AVA is certified organic, making use of its sheep flock for weeding and pest control.