An unexpected change in Palo Alto real estate trends was spotted on Aug 23, 2023. The average size of houses sold spiked up dramatically to its highest ever quarterly value.

Although the Palo Alto house price per sq. ft. did not change dramatically, the spike in average size created a spike in average Palo Alto house sales price.

A similar spike up in average house size was seen in nine San Mateo County cities but not in any other Santa Clara County city. See extensive coverage of Palo Alto real estate.