Two Memphis doctors started this Stags Leap spot in 1991, and it's been making serious Cabernet Sauvignon ever since, especially from Howell Mountain fruit. You'll find balanced, food-friendly reds aged in French oak that let the classic Napa Valley character really shine through.
Good to know: Free Morning Flight (three wines) offered daily at 11am for groups of 1-2.
Checked against the winery’s website on September 3, 2026.
When to visit Cornerstone Estate Winery
Monday11:00 AM - 6:00 PM
Tuesday11:00 AM - 6:00 PM
Wednesday11:00 AM - 6:00 PM
Thursday11:00 AM - 6:00 PM
Friday11:00 AM - 6:00 PM
Saturday11:00 AM - 6:00 PM
Sunday11:00 AM - 6:00 PM
Good to know about Cornerstone Estate Winery
Yes, Cornerstone Estate Winery has a tasting room open to visitors. Visits are by reservation, so book ahead rather than dropping in.
Cornerstone Estate Winery focuses on Cabernet Sauvignon, Merlot. Signature bottles include 2022 Cabernet Sauvignon Rutherford ($140), 2022 Merlot Oakville Station ($95), 2021 Cabernet Sauvignon Howell Mountain ($160). When booking a tasting, ask which current release best represents the estate's style.
A tasting at Cornerstone Estate Winery costs $50 per person, as listed on the winery's own website on September 3, 2026. Winery Focus of Cornerstone ( $50 Fees change with the season and the experience booked, so confirm the current price when you reserve.
Cornerstone Estate Winery is in Yountville, CA, in the Stags Leap District wine region. Phone: (707) 945-0388. Confirm hours before visiting. Winery schedules vary seasonally.
Cornerstone Estate Winery was established in 1991, giving the estate 35 years to develop its wine program and farming practices.
The winemaking at Cornerstone Estate Winery is led by Kari Auringer. Visiting during special events or release weekends is often the best chance to meet the winemaking team and ask questions about specific vintages or techniques.
Cornerstone Estate Winery offers: Wine Tasting and Culinary Accompaniments. Seated or guided experiences typically include more context about the wines and the estate's approach. Worth booking if you want depth over breadth.
Monday: 11:00 AM – 6:00 PM | Tuesday: 11:00 AM – 6:00 PM | Wednesday: 11:00 AM – 6:00 PM | Thursday: 11:00 AM – 6:00 PM | Friday: 11:00 AM – 6:00 PM | Saturday: 11:00 AM – 6:00 PM | Sunday: 11:00 AM – 6:00 PM Hours may vary seasonally. Confirm by phone or on their website before visiting.
Yes, Cornerstone Estate Winery has outdoor seating. Availability is weather-dependent. Call ahead to confirm, particularly outside summer months.
Where to find Cornerstone Estate Winery
6505 Washington St. Yountville, CA, United States of America
