It's unfortunate about Salinas, could be such a nice town but it has been overrun by gangs and there is a lot of gang violence. Potential exists for innocent victims, but reality most violence is target against those in the gang lifestyle. That said, I would avoid extended stays their if possible.
May want to consider Betabel RV park between Watsonville and Hollister. Personally I haven't stayed there but driven past multiple times. Looks nice and well maintained. Good online reviews.