Los Altos Hills new homes for sale currently include only one house, a 9,208 sq. ft. house listed at $15,888,000. There are currently only twenty five Silicon Valley new homes for sale. Looking through sales records to understand Los Altos Hills new construction, the number of houses has always been low but nearly stopped after 2022. However, Los Altos Hills is one of the few Silicon Valley cities to have even one new house for sale.