Elegant Sonoma Vineyard Estate in West Petaluma, just moments from the vibrant downtown corridor. This gated 20-acre retreat along prestigious D Street Extension offers timeless charm, privacy, and refined design. The custom single-level main residence blends European elegance with wine country warmth across 4,000 sq ft, featuring 4 bedrooms and 3.5 baths. Soaring ceilings, skylights, and expansive windows frame sweeping vineyard views. A chef's kitchen boasts butcher block counters, center island, pantry, and premium appliances. Living areas include formal dining, a spacious great room, a media lounge, and a dedicated office. The luxurious primary suite offers dual walk-in closets and a spa-inspired bath with soaking tub, shower, and bidet. Radiant floors, multi-zone climate control, and a fireplace ensure year-round comfort. Two additional units, private guest house, and a newly added studio offer versatility for extended stays, workspaces, or rental income. Outdoors, enjoy a solar/gas-heated pool, built-in spa, and peaceful courtyard gardens. A 10-acre Pinot Noir vineyard, over 1,000 olive trees, 3-car garage, private well, and gated entry complete this rare offering just minutes from downtown Petaluma and a short drive to San Francisco.