(1) Except as otherwise provided herein, the court shall have exclusive original jurisdiction in all proceedings under this chapter concerning any child living or found within the state:
(a)  Who is neglected, abused or abandoned by his parents, guardian or other legal custodian, or who is homeless; or
(b)  Whose parents or other legal custodian fails to provide a stable home environment.
(2)  If the court has taken jurisdiction over a child under subsection (1) of this section, it may take jurisdiction over another child living or having custodial visitation in the same household without the filing of a separate petition if it finds all of the following:
(a)  The other child is living or is found within the state;
(b)  The other child has been exposed to or is at risk of being a victim of abuse, neglect or abandonment;
(c)  The other child is listed in the petition or amended petition;
(d)  The parents or legal guardians of the other child have notice as provided in section 16-1611, Idaho Code.