Rare Los Altos opportunity combining prime Silicon Valley location, single-level living, and endless space. Situated on an exceptional 18,920 sqft lot, 699 Rosita Avenue feels like a private park with mature fruit trees and serene, sunlit grounds. Inside, natural light highlights a flexible layout with an expansive family room designed for effortless everyday living and scale entertaining. This 4-bedroom, 3-bathroom residence offers immediate comfort with incredible future possibilities, like expanding the footprint, adding a pool, building an ADU, or designing an outdoor retreat. Unbeatable convenience just minutes from top Silicon Valley tech hubs, local shopping, and highly rated Los Altos schools (buyer to verify). Don't miss this high-value Los Altos investment offering rare space, privacy, and long-term potential. Buyer to verify development possibilities, lot use, and applicable city/school requirements.