Happy Valley Japanese-inspired custom-designed sanctuary on an ultra-private 1.42 ac, bordered by creeks, oaks, and redwoods, showcases exceptional architectural detailing, including soaring ceilings, hardwood floors, exposed wood trim, built-ins & custom-curated chandeliers. Spanning 4,077 SF, the mostly single-level layout features an expansive formal living room with a fireplace, wet bar & a wall of windows framing a garden view. The formal dining room offers a rear garden view & a convenient built-in buffet. The chef's kitchen, with a breakfast bar & casual dining area, is complemented by storage cabinetry, dual ovens, cooktop & warming drawer. The home offers 5 bds & 4.5 baths, including a private primary suite & a nearby 5th bedroom/office. A separate wing boasts 3 bds, a family room & a hobby room. The lower-level bonus room-with a 1,200± bottle temp-controlled wine cellar, walk-around wet bar, fireplace & garden access-is an ideal gathering space. Enchanting gardens, designed by the late Henry Matsutani Sr., feature meandering pathways, a koi pond, Japanese maples & lush foliage leading to a solar-heated pool, spa & pool house with a kitchenette & bath. The home also boasts two 2-car garages. Close to charming downtown, the reservoir, trails, BART, and top rated schools.