Wash. Rev. Code § 13.36.040
(2) A guardianship shall be established if:
(c)
(3) The court may not establish a guardianship for a child who has no legal parent unless the court, in addition to making the required findings set forth in subsection (2) of this section, finds one or more exceptional circumstances exist and the benefits for the child of establishing the guardianship outweigh any potential disadvantage to the child of having no legal parent. Exceptional circumstances may include but are not limited to:
(b) The proposed guardian has demonstrated a commitment to provide for the long-term care of the child and:
[ 2010 c 272 s 4.]