4125 Big Ranch Road Rare valley floor location in coveted Oak Knoll AVA, 10.19 +/- acre vineyard estate with panoramic vineyard & mountain views ideally located in the Big Ranch Rd corridor just minutes to downtown Napa, Yountville, world-class dining, shopping & Vine Trail. Surrounded by premier vineyards, estate homes, & renowned wineries, this property includes 7+/- acres of income producing Chardonnay professionally managed & sold to Miner Family Winery (with 8/10 acre leased to Materra). Single level custom home with 3521 sq ft 4 BDR 3 BA plus bonus room currently purposed as an office. Endless opportunities exist including home expansion, addition of guesthouse or even construction of a winery. With two strong wells including a brand new well in 2025, natural gas & undergrounded electrical, this property delivers all the conveniences of modern country living. Fantastic floor plan with great room concept featuring an abundance of natural light & series of French doors that open to multiple outdoor living & dining areas including expansive partial wrap-around porch, spacious patios, raised garden beds & lush lawn all with spectacular views of the Mayacamas Mts to the West & Vaca Mts to the East. Luxurious main ensuite with seating area & fireplace, oversized 3 car garage, guest parking & more!