Napa Valley

Oak Knoll District of Napa Valley

Rosé

Rose, Flirtation

Merlot

United States

California

O'Brien Estate

Reserve Chardonnay

Reserve Cabernet Franc

Sauvignon Blanc, Fascination

Chardonnay

Reserve Merlot

Unrestrained Reserve

Reserve Cabernet Sauvignon

Seduction

Cabernet Sauvignon

Romance

Unoaked Chardonnay, Attraction

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, vineyards, home, and garden. 

The wines of O'Brien Estate reflect the soil and micro-climate of the Napa Valley, as well as our selection of rootstock and clone varietals. 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 vineyard in each bottle. Due to our small production and high demand, our hand crafted wines are only available to our members or when visiting with us at the winery.

Cabernet Franc

Sauvignon Blanc

Mark Davis grew up in Maryland, just outside of Washington, D.C. (not exactly wine country). After graduating from the University of Maryland with a degree in chemical engineering, his love of fermentation science (and boredom at his government job) brought him to California to see what winemaking was really like, outside of a small home-based hobby he had dabbled with.

Mark quickly fell in love with the whole winemaking process: from tasting grapes to check for ripeness, to pumping over tanks, to shoveling out grape skins, and generally getting your hands dirty making great wine. After his first vintage, Mark applied to the world-renowned UC Davis viticulture and enology program. He was accepted and spent two years learning as much as possible about everything having to do with growing grapes and making wine. Mark graduated with high honors in 2010 and also received the honorary department citation for outstanding achievement in viticulture and enology.

After several vintages across northern California as well as in Australia and South Africa, Mark eventually was given the opportunity to start his own label and in 2012 Cobden Wini Wines was born. As well as handling every aspect for the Cobden Wini label, Mark is also the winemaker at O’Brien Estate Winery in Napa. Mark continues to learn every day and strives to make the best wines possible while still making sure to have fun every step along the way.

Mark Davis

David believes winemaking is about the details. David has been with O'Brien Estate since 2004, after launching his winemaking career with Seavey Vineyard, with consulting winemaker Philippe Melka.

David has also assisted in the cellars of Grace Family Vineyard in St. Helena. David also makes his own wine as Kind Cellars using sourced fruit; he was recently awarded a 99 point score from Robert Parker Jr.

David Yorgensen

Tyler pours his innate creativity and self-expression into the wines he creates, marrying an extraordinary understanding of winemaking science and principles. From his start in 2012 at Domaine Chandon to his rise to Assistant Winemaker at Markham Vineyard, Tyler achieved a depth of knowledge and experience producing exquisite Napa Valley wines. He is a graduate of UC Davis with Bachelors’ degrees in Viticulture & Enology, and Economics, with a deep appreciation for Napa’s unique regions and sense of place.

Tyler Kirby

White

Red Blend

Napa Valley

O'Brien Estate

California

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

Rose, Flirtation

Oak Knoll District of Napa Valley

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