Amity Foundation Amistad de Los Angeles is an extended-stay residential treatment program located in Los Angeles that offers substance abuse treatment and other drug rehab services. Located in Los Angeles, California, Amity Foundation Amistad de Los Angeles provides special treatment drug and alcohol rehab programs for women and men. Amity Foundation Amistad de Los Angeles accepts self payment as payment for drug and alcohol rehab services. Amity Foundation Amistad de Los Angeles offers drug treatment programs in Spanish.