“even if they won’t be professionally trained they need to be a bit younger to train into a certain mode.”
Yes, I’ve been trying to find a 3 to 4 month old German Shepherd for a long time.
Not close but drivable distance from where you are:
http://www.gsroc.org/2013/adoption.gsr
German Shepherd rescue in Orange County, near Los Angeles
They seem to have puppies too.
Chris seems to know a lot about them (above0