Rare opportunity in the heart of Old Los Altos. Set on a coveted 22,651 sq ft (½+ acre) lot, this special property offers an exceptional location just moments from downtown dining, cafés, and boutiques. Bordering the serenity of Lincoln Park, the home enjoys a unique park-side setting with a sense of openness, privacy, and natural beauty that is hard to find. Featuring 4 bedrooms and 3.5 baths, plus two additional bonus rooms upstairs and a patio "Florida" room (all not permitted; patio room approximately ±500 sq ft not reflected in public records), this home has been lovingly maintained by the same family for over 40 years. Filled with warmth and character, it offers generous space for comfortable living, gathering, and creating lasting memories. Upstairs is already plumbed for a washer, dryer, refrigerator, and sink, ideal for extended family living, guest quarters, or a private retreat. The expansive backyard offers peaceful hill views, ample space for entertaining or relaxing, and a private pool and spa set within a serene outdoor setting. Close to top-rated Los Altos schools, with excellent walkability to downtown, parks, and the scenic Los Altos Hills pathways.