Cardiff,
You may receive some criticism for your aversion to majority hispanic neighborhoods. Everyone has their preferences, and that’s why neighborhoods take on a personality. I’m sure many Hispanics are more comfortable in neighborhoods with a large population of other Hispanics.
Given that you are interested in “stale white” you should probably look at the San Fernando Valley. Encino, Tarzana, Woodland Hills, Sherman Oaks, parts of Northridge. Or, further up into Ventura County you will find areas that are mostly White and Asian.