Private and serene 2.5 acres on Mapache Drive, one of the most desirable locations in Westridge. This rare parcel offers an opportunity to build your brand-new dream home in Portola Valley's most sought-after neighborhoods. Direct access to coveted Portola Valley trail system. Minutes to Portola Valley Town Center and Parkside Grille. Top rated Portola Valley Schools. The parcel adjoins 1240 Westridge Drive (2.55 acres and magnificent estate home) and offers a rare opportunity to combine these properties to create a grand estate entrance, family compound, vineyard or horse facilities. Combination of the two parcels would be 5.05 usable acres plus grand estate home, stable,arena, poolhouse, vineyard/orchards for 17.5 million.