O'Brien Estate is a family owned and operated winery on 40 acres in the Oak Knoll Appellation of the Napa Valley. Our self-contained estate includes the winery, vineyard, home and gardens. Our artisan, handcrafted wines reflect the soil, air, and sunlight of Napa Valley, and are only available at O'Brien Estate and to our members. Traditional winemaking techniques and aging in small French oak barrels allow our wines to express the nuances of our unique terroir, creating a signature of the... + More