Establishes the homeless youth prevention act.

Creates the office of homeless youth prevention programs within the department of social and health services to: (1) Reduce the number of new homeless and runaway youth;

(2) Decrease the number of existing homeless youth; and

(3) Increase reconciliation rates with the homeless youth's parents or guardians.

Requires the joint legislative audit and review committee to conduct a review of state-funded programs that serve unaccompanied homeless youth.

Requires a state homeless youth alert database to be established identifying all homeless or runaway youth.

Changes the name of the homeless families services fund to the Washington youth and families fund.