Tucked away on a private lane, this extraordinary custom expansion is a rare blend of timeless craftsmanship, thoughtful design, and exceptional quality. From the moment you arrive, you'll sense this is no ordinary home. A custom solid cherry front door sets the tone for the remarkable details that await inside. Designed for both comfortable everyday living and effortless entertaining, the expansive open-concept floor plan showcases 16-foot ceilings, solid oak floors, and walls of windows that flood the home with natural light. The chef's kitchen is truly the heart of the home, featuring solid custom cherry cabinetry, Blue Barracuda granite countertops, a Viking gas range, convection microwave/air fryer, built-in coffee station with charging center, and abundant seating for casual dining and gatherings. Entertain on a grand scale in the impressive dining room highlighted by a wood-burning fireplace and a spectacular 1,000-year-old floating redwood mantel. Anderson sliding doors seamlessly connect the indoor and outdoor living spaces, while a custom built-in workspace with dual stations provides the perfect setup for remote work, studying, or creative projects. The inviting great room features dramatic 16-foot ceilings, an elegant wet bar, and panoramic views of the surrounding landscape. The main level offers two spacious bedrooms and two full baths. Upstairs, the luxurious primary retreat captures breathtaking Mt. Diablo views from both the bedroom and private balcony. The spa-inspired bath features an oversized six-foot soaking tub with waterfall faucet, a large walk-in closet, and a convenient laundry chute. An adjacent bedroom offers flexibility as a nursery, fitness room, or private retreat. Outdoor living is equally impressive. Set on a sprawling lot, the property offers over 800 square feet of decking designed for entertaining and relaxation. Additional amenities include a greenhouse, a storage workshop/shed and gated RV and boat parking. Car enthusiasts and hobbyists will appreciate the oversized three-car garage; the separate third garage features an extra-high door and additional workspace. The bonus room above the garage (not included in the home's square footage) provides extra living space and an array of possibilities. With custom finishes throughout, and countless upgrades too numerous to list, this one-of-a-kind property offers an unparalleled lifestyle in a peaceful yet conveniently located setting.