Encino is safe, "affordable" (if you can call anything in LA affordable), and has mostly families living there. Glendale/Pasadena area can have some good spots as well. Everywhere else is pretty expensive unless you get pretty far away from LA (i.e. outskirts of the county). Anything cheap is probably not safe or some kind of scam. Housing in safe areas will likely be a min of $400,000 to buy.
This site has pretty good resources for moving: