When it was founded in 1883, Concannon Vineyards had 40 acres of vineyard in the Livermore Valley. Today, Concannon has approximately 200 acres more than half of which are planted with Petite Sirah grapes. Concannon bottles Petite Sirah, Syrah, Cabernet Sauvignon, Merlot, and Chardonnay grapes grown in the Livermore Valley. The winery also makes Chardonnay, Sauvignon Blanc, Merlot, Syrah, Cabernet Sauvignon, Petite Sirah, Pinot Noir, Pinot Gris, Viognier, Sauvignon Blanc, Zinfandel from varieties grown on the Central Coast. All together that makes 30,000 cases a year that Concannon produces.