Kosta Browne has spent more than two decades establishing itself in Sonoma County, where it became known for Pinot Noir and Chardonnay. Its next chapter carries the brand much farther: into Oregon, across the Atlantic, and toward vineyard plots in famed Burgundian villages.
The shift followed Duckhorn Wine Company’s acquisition of Kosta Browne in 2018 and Julien Howsepian’s appointment as winemaker in 2019. Under Howsepian, the portfolio expanded beyond California, first domestically and then internationally.
That growth is more than an added wine region. It places Kosta Browne in an unusual position: a Sonoma producer with a presence in two of the world’s most closely watched settings for Pinot Noir. The opportunity is a broader portfolio and a stronger international story. The challenge is earning credibility in a landscape where provenance and local relationships carry considerable weight.
How Kosta Browne got here
Dan Kosta and Michael Browne founded the winery in 1997. Nearly three decades later, its trajectory remains recognizable: Pinot Noir and Chardonnay remain central to the brand, while the sources behind those wines have become more geographically diverse.
The first stage of expansion was domestic. Under Julien Howsepian, who became winemaker in 2019, Kosta Browne moved beyond California and began working in Oregon. The international phase came later, with the winery turning to plots in Burgundy, France.
That sequence matters. The move into Burgundy did not replace the Sonoma foundation. It expanded the framework around it. As the VinePair Podcast conversation with Howsepian makes clear, the opportunity and difficulty now come from making wine in two different countries on two different continents.
Here is how the portfolio has developed:
| Portfolio setting | What the expansion added | Why it matters strategically |
|---|---|---|
| California | The winery’s established base in Sonoma County and its wider California presence | Supports the brand’s identity in Pinot Noir and Chardonnay |
| Oregon | A domestic extension of the vineyard portfolio | Adds another American growing area without leaving the domestic market |
| Burgundy | Access to plots in famed Burgundian villages | Gives the portfolio an international dimension and connects it more closely to Burgundy |
Our analysis
Kosta Browne’s expansion is not simply about producing more wine. It is about changing the range of conversations the brand can have with consumers.
California remains the anchor. That is where the winery developed its reputation and where its Pinot Noir and Chardonnay identity was established. Oregon extends that portfolio into another part of the United States. Burgundy, however, introduces a different kind of proposition: a direct connection to one of the world’s most prestigious wine regions.
The trade-off is equally clear. Breadth can make a producer more interesting to collectors, international buyers and consumers who want to compare wines from different origins. But geographic ambition does not guarantee a stronger position. Success depends on how effectively the winery manages each source while preserving a coherent identity.
That is the central question behind Kosta Browne’s two-country program. Can the brand draw on California, Oregon and Burgundy without making the portfolio feel disconnected? Can it gain from the recognition attached to Burgundian villages without diluting the Sonoma identity that made the label distinctive? Those are not necessarily the only questions Howsepian faced, but they are the strategic tensions implied by the expansion itself.
For existing fans, the California wines remain the reference point. For new buyers, Burgundy may become the entry point. For the wine trade, the combination offers a way to watch a successful California label test whether its reputation can travel across an Atlantic and into a very different market.
The most important implication may be how Kosta Browne presents the portfolio. A broader collection creates more opportunities for a restaurant list or retailer to place several wines side by side. It also gives the brand a reason to explain why sources differ. That educational role can matter as much as the geographic reach itself.
What it means for you
Kosta Browne now offers a choice that reflects the growth of its portfolio. Buyers can begin with its established California identity, move toward its Oregon work, or explore wines connected to Burgundian sources.
The source named on the label is the starting point for comparison. It shows where a particular wine comes from within the broader Kosta Browne portfolio. Consumers should not assume that simply sharing a producer means every bottling has the same character; different origins place the wine in a different context.
For a buyer building a tasting, the opportunity is to compare origin through one producer’s portfolio. That makes Kosta Browne a useful label for understanding how a single winemaker approaches Pinot Noir and Chardonnay across California, Oregon and Burgundy. The comparison is more revealing if the wines are served together rather than treated as isolated releases.
The label also gives retailers and sommeliers a clearer way to talk about the winery. Instead of describing Kosta Browne only as a Sonoma producer, they can present it as a portfolio with domestic and international roots. That distinction may be particularly valuable for buyers searching for Burgundy-associated wines without wanting to begin with an unfamiliar producer.
What to watch next
The first marker will be how the international portion of the portfolio develops. Burgundy is no longer merely a direction of travel; it is an active part of the winery’s expansion. Future releases and the way they are positioned will reveal how important it has become within the overall collection.
Another marker is the continued balance between regions. Kosta Browne’s California identity provides the foundation, while Oregon and Burgundy add range. If all three remain clearly represented, the strategy will look durable. If one region begins to dominate the story, the portfolio may need to be reconsidered.
Buyers should also watch how Kosta Browne and Duckhorn communicate the different sources. Clear labeling and storytelling can help consumers navigate a more complex range. They can also determine whether the international expansion strengthens or overwhelms the identity built in Sonoma.
The bigger issue is whether the two-continent model creates durable value. If it does, Kosta Browne will have moved beyond its original Sonoma reputation while retaining it as the brand’s foundation.
Key takeaways
- Kosta Browne was founded in Sonoma County by Dan Kosta and Michael Browne in 1997.
- Duckhorn Wine Company acquired the winery in 2018, and Julien Howsepian became winemaker in 2019.
- Under Howsepian, the portfolio expanded beyond California into Oregon and then to plots in famed Burgundian villages.
- The intercontinental strategy offers broader portfolio appeal while raising questions about coherence, credibility and regional balance.
- Pinot Noir and Chardonnay remain central to the winery’s identity.
Frequently asked questions
When did Kosta Browne begin working with Burgundy sources?
The expansion into Burgundy came during roughly the second half of Howsepian’s tenure, which began in 2019.
Does Kosta Browne still focus on California?
Yes. California remains the foundation of the winery’s portfolio, while Oregon and Burgundy provide newer domestic and international extensions.
Who acquired Kosta Browne?
Duckhorn Wine Company acquired the winery in 2018.
What varieties are central to Kosta Browne?
Pinot Noir and Chardonnay have been central to the winery’s identity since its founding in 1997.
What is the main challenge behind the two-continent expansion?
The challenge is balancing broader geographic appeal with the need to maintain a coherent Kosta Browne identity and credibility in each source.
