San Bernadino Striped Locality Fence Lizards.
Noticing some individuals in SoCal with a clean striped pattern, I tried creating a map for the general area in which they're found. https://tinypic.host/image/StripedLocality.DQZylR
From what I've seen, it's a phenotype that pops up among fence lizards in SoCal, but occurs more often within this area.