Sunlit vineyard rows stretching across rolling Sonoma County hills, golden light filtering through grape leaves, warm earthy tones and soft green hues

Handcrafted Pinot Noir & Chardonnay

Small-production, single-vineyard wines from Sonoma County — sustainably farmed, traditionally made.

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The Winemaker

Greg Bjornstad studied Agronomy at Colorado State University before beginning graduate studies in Viticulture at UC Davis in 1989. A Wine Spectator Scholarship took him to Newton Vineyards in 1990, followed by a Château Lafite Rothschild internship in France in 1991. He later served as Viticulturist at Joseph Phelps Vineyards and has collaborated with growers since 1997.

Today, Bjornstad Cellars produces approximately 800 cases annually from a select group of Sonoma County vineyards.

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~800
Cases Produced Annually
6
Single Vineyards Sourced
1997
Working With Growers Since
93
Points — Wine Enthusiast (2013)

Current Releases

Chardonnay and Pinot Noir from distinguished Sonoma County vineyards, crafted with traditional Burgundian techniques.

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Ritchie Vineyard Chardonnay

Russian River Valley — cool-climate Chardonnay from one of the region's most respected sites.

A technical blueprint-style drawing of grape clusters on the vine with detailed structural annotations, muted gray-blue line work

Keefer Ranch Pinot Noir

Green Valley — bright cherry, cola, and sassafras notes from the headwaters of Green Valley Creek.

A technical blueprint-style drawing of a vineyard layout with row spacing and elevation marks, clean line work in muted slate tones

Hellenthal Vineyard Pinot Noir

West Sonoma Coast — structured, spice-laced Pinot from a rugged coastal site.

Our Vineyards

Grapes are sourced from sustainably and biodynamically farmed sites across Sonoma County's premier appellations.

Keefer Ranch

50 acres in Sebastopol, planted beginning in 1988. 37 acres of Pinot Noir and 13 acres of Chardonnay in the Green Valley.

Ritchie Vineyard

A benchmark Russian River Valley site producing Chardonnay of depth and precision.

Hellenthal Vineyard

West Sonoma Coast Pinot Noir from a cool, windswept site that yields structured, aromatic wines.

Van der Kamp Vineyard

Sonoma Mountain — source for Pinot Noir and Pinot Meunier from high-elevation vines.

Barbed Oak Vineyard

Bennett Valley Chardonnay from a distinctive inland site with warm days and cool nights.

Porter-Bass Vineyard

Biodynamically farmed fruit contributing to the Sonoma County Chardonnay blend.

Winemaking Philosophy

A bottle of wine is like a time capsule, capturing a place in time.

These limited wines are vineyard designations, originating from within the appellations of Sonoma County. Terroir is defined by soil and climate but shaped by the steward — and the wine continues to evolve in the bottle long after the factors that shaped it have passed.

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The foundation of Bjornstad Cellars rests on a deep respect for the vineyard. Sourcing fruit from a carefully chosen set of Sonoma County sites, each wine is shaped by the distinctive character of its origin. These vineyards are farmed with sustainable and biodynamic practices, ensuring that the grapes arrive at the winery in pristine condition. The resulting wines are not blends designed for consistency, but honest expressions of place, vintage, and the living soil from which they came.

Working with Pinot Noir and Chardonnay from single-vineyard sources demands a light touch in the cellar. Fermentations rely on native yeasts, and the wines are handled with minimal intervention to preserve aromatic purity and textural finesse. Traditional Burgundian techniques inform every decision, from gentle punch-downs during fermentation to extended aging on the lees. The goal is never to impose a house style, but to allow each barrel to reflect the vineyard block and the season that produced it.

Production at Bjornstad Cellars remains deliberately small, with total annual output hovering around a few hundred cases. This limited scale allows for meticulous attention at every stage, from sorting fruit on the crush pad to monitoring each barrel through élevage. The wines are inherently scarce, rarely encountered outside the mailing list and a handful of select restaurants. For those who seek them out, the reward is a wine made without compromise or concession to volume.

The vineyards that anchor the portfolio represent a cross-section of Sonoma County's most compelling terroirs. From the cool, fog-shrouded pockets of the Russian River Valley to the sun-exposed slopes of the Sonoma Coast, each site contributes a distinct voice. Old-vine blocks, some planted decades ago, yield fruit of uncommon concentration and complexity. These are not generic California wines; they carry the unmistakable imprint of specific rows, specific soils, and specific microclimates.

Greg Bjornstad's path to the cellar was built on a foundation in agronomy and viticulture. Formal study at leading institutions gave way to formative experiences at iconic estates in Napa Valley and Bordeaux. These early chapters instilled a reverence for the vineyard as the primary source of wine quality. Decades of collaboration with growers across Sonoma County have deepened that conviction, and the label bearing his name is the culmination of a career spent walking vineyard rows and tasting fruit.

The winemaking philosophy embraces patience and restraint. Chardonnay lots may rest undisturbed on their lees for extended periods, developing depth and mid-palate weight without recourse to excessive new oak. Pinot Noir fermentations proceed at their own pace, with careful extraction aimed at preserving the delicate perfume that defines the variety. Bottling decisions are made only when the wine has settled into a state of equilibrium, never rushed to meet a commercial calendar.

Critical reception for these wines has been consistently strong, with reviewers noting their balance, transparency, and age-worthiness. The combination of old-vine fruit sources, sustainable farming, and traditional cellar work yields bottles that reward both early enjoyment and patient cellaring. While the wines carry the brightness and purity expected from cool-climate Sonoma County, they also possess a structural backbone that suggests a long and graceful evolution in the glass.

The mailing list serves as the primary channel for those who wish to follow the releases. Subscribers receive notice of new vintages, occasional event invitations, and early access to wines that seldom reach broader distribution. In an era of instant availability, the model recalls an older rhythm: a small winery, a dedicated audience, and wines that find their way to the table through direct relationships rather than mass-market channels.

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