Located in the acclaimed Suisun Valley AVA only minutes to Napa Valley. Ultimate Napa-Adjacent Private Compound & Bonded Winery. Perched on a commanding, ultra-private 29.33-acre ridge in the heart of Suisun Valley wine country, Stonefield Estate represents a rare convergence of luxury multigenerational living and boutique viticulture. Helicopter friendly acreage! Positioned just minutes from Napa Valley, this fully gated, secure dual-residence compound offers panoramic 360-degree views of rolling hills, vineyard valleys, and Mt. Diablo. PRIMARY ESTATE: Designed with an open-concept architectural flow, soaring high ceilings, and expansive wall of glass positioned to capture the morning mist rising over the valley and dramatic golden-hour sunsets. Features premium, refined finishes and seamless indoor-outdoor transition areas. GUEST RESIDENCE/LUXURY ADU: Equally refined and completely independent. Positioned to ensure total privacy from the main house, this second home is ideal for multigenerational families, an exclusive guest retreat, or a high-end luxury rental asset. PRIVATE VITICULTURE & ESTATE WINERY and Boutique Vineyard: A meticulously maintained, producing estate vineyard producing premium fruit. BONDED WINERY & BARREL ROOM: A rare turnkey asset for the wine enthusiast or commercial operator. Fully functional, bonded, and complete with a custom barrel room designed for private tastings, aging, and entertaining. Whether viewed as a private family legacy compound, a lifestyle luxury retreat, or a premium income-producing vineyard estate, Stonefield Estate is a singular, turnkey opportunity in Northern California's premier wine region. The smartest alternative to Napa Valley.