Exchanged some emails with a Sacramento Mid Century blogger who runs Eichlerific. And she pointed me to this website that has vintage aerial photography.
We know that some major renovations have been done to the house, and I wrote about the garage addition earlier
There, I showed the current aerial photo with the estimated additions (the fuchsia squares below):
HistorialAerials.com has aerial shots of our house from 1957 and 1964:
1957, Notice the sparse trees and where the driveway is located
1964, Trees have grown in the last seven years: