How will I find alcohol rehabs in Lynwood, California, that will also accept persons with dual diagnosis?

I have a friend who's struggling with depression and alcoholism at the same time. I want to help him find rehabs wherein he will be getting the right treatment for him. How will I do this?

: http://alcoholdrugstreatment.info/how-will-i-find-alcohol-rehabs-in-lynwood-california-that-will-also-accept-persons-with-dual-diagnosis