Welcome to 4066 Hidden Valley, a peaceful 4-bed, 2.5-bath home on a quiet, private street in the East Foothills. This serene retreat is just minutes from San Jose Country Club, Alum Rock Park, and all of city conveniences. Set on a mostly flat11,000 sq. ft. lot, enjoy the large front yard, spacious patio, and low-maintenance backyard. Inside, gleaming hardwood floors lead to a formal living room with a fireplace, separate dining room, and a spacious kitchen with a breakfast bar, built-in dining booth, and ample storage and counter space. Updated bathroom offers dual sinks, separate tub and shower, and large linen closet. The versatile floor plan includes a fourth bedroom with vaulted ceilings, a fireplace, and access to a peaceful balcony, ideal as a bedroom, office, or family room. Another bedroom features a private entrance for added flexibility. A large two-car garage includes an extra room for a workshop or storage. Recent upgrades include a newer roof, owned solar with battery backup, reverse osmosis water filtration system, AC and whole house fan. Located in Unincorporated Santa Clara County, this home offers the perfect blend of privacy, space, and convenience.