First time on market in over 50 years. Three bedroom, two full bath main house with newly remodeled ADU underneath, situated on a one acre-plus lot in the Vista Verde neighborhood of Portola Valley. Residents here enjoy a serene and quiet lifestyle, with sweeping views and quick access to hiking trails, lakes, wildlife and nature. This custom-designed, private retreat was constructed in 1973, with plenty of styling cues from that era. It's ready for your personal remodeling touches, period or modern. The full-height windows in the 12' open beam ceiling living room let in plenty of light, and afford skyline and treetop views. The all-electric kitchen has great cabinet space and is situated next to a breakfast area with its own breakfast bar. The primary bedroom has an en suite full bath, and a full unpermitted bath sits between the other two bedrooms. Sliding double doors with glass inserts open to a dramatic, light-filled carpeted stairwell that leads down to the front entrance, basement and a second entrance to the ADU. Originally constructed in the mid-80's, this 560'+ unpermitted addition was remodeled in 2018. It features it's own entrance from its carport, additional nearby guest parking, a sunken bedroom, generous living room, a split bath with double vanity sinks, stacked