Founded in 2005 by Mary Dewane and Joe Anderson with winemaking partner Mike Sullivan (ex-Hartford Family Winery), Benovia farms three estate vineyards, from the historic Cohn Vineyard to Martaella, where the tasting room sits. Focused on single-vineyard Pinot Noir, Chardonnay, and Zinfandel from Russian River, Sonoma Coast, and Mendocino. Seated tastings by reservation.












Daily by reservation · tables over the Martaella vines · bring your own picnic











Benovia is named for the fathers of founders Mary Dewane and Joe Anderson ("Ben" for Ben Dewane, "Novia" for Novian Anderson), a personal naming that signals the family-scaled ethos of the project. Mary and Joe purchased the historic Cohn Vineyard, first planted in 1970 off Westside Road west of Healdsburg, and partnered with winemaker Mike Sullivan to launch the label in 2005. Sullivan had spent the previous decade as winemaker at Hartford Family Winery, a Jackson Family Wines Pinot Noir specialist, where he had built a reputation for site-driven, low-intervention wines. Since January 2026 the team has been led by General Manager Josh Trowbridge, with Adolfo Hernandez as winemaker.
Russian River Valley Pinot Noir: the appellation wine; a polished introduction to Benovia's estate style.
Cohn Vineyard Pinot Noir: from a 50-plus-year-old, organically farmed cobblestone vineyard above Westside Road.
Martaella Estate Pinot Noir, Russian River Valley: from the estate vineyard surrounding the winery, named for the founders' mothers.
Tilton Hill Pinot Noir, Sonoma Coast: a cool Sebastopol Hills site giving darker, concentrated fruit.
La Pommeraie Chardonnay, Russian River Valley: from the Zio Tony Ranch near Graton, farmed by George Martinelli; balanced and textured.
Today Benovia farms three estate vineyards: Cohn (Russian River Valley), Tilton Hill (Sonoma Coast), and Martaella (Russian River Valley), alongside select grower partnerships in Mendocino and the Sonoma Coast. The lineup centers on single-vineyard Pinot Noir, Chardonnay, and old-vine Zinfandel from the Cohn block, with limited release Grenache and Syrah. Winemaking emphasizes native fermentation, whole-cluster inclusion for Pinot Noir, and aging in mostly neutral French oak. The Ranch House tasting room on Hartman Road looks out over the Martaella vines. Reservations are required: the Estate & Single Vineyard Tasting is an intimate seated tasting outdoors, and on weekday mornings the Vineyard Tour & Tasting adds a walk through the vines and the oak grove.

A fifth-generation Californian who grew up tending family vines on Sonoma Mountain, Mike Sullivan began his career at eighteen in Richard Arrowood's cellar at Chateau St. Jean. He went on to work as assistant winemaker to Helen Turley at Landmark and at Chappellet, then spent roughly a decade as head winemaker at Hartford Family Winery, where he earned The Wine Advocate's 'Wine Personality of the Year.' In 2005 he joined founders Joe Anderson and Mary Dewane to build Benovia from the ground up as winemaking partner, planting estate vineyards and shaping the winery's small-lot Pinot Noir, Chardonnay, and Zinfandel. Named co-owner and the North Bay Business Journal's Winemaker of the Year in 2018, he stepped back to a consulting role in early 2026 after two decades, with longtime associate Adolfo Hernandez taking over day-to-day winemaking.

Mary Dewane co-founded Benovia in 2005 with her husband, Joe Anderson. Before turning to wine she built a career in healthcare serving the underserved, rising to chief executive of a large Medicaid managed-care organization. Together the couple bought the historic Cohn Vineyard off Westside Road and built Benovia into a small, family-owned house devoted to sustainably farmed, single-vineyard Pinot Noir and Chardonnay. Today Mary is the winery’s proprietor, with General Manager Josh Trowbridge running daily operations since early 2026.