Removes the responsibilities of supervising agencies as they pertain to child welfare services under chapters 13.34, 74.13, 74.13B, and 74.15 RCW.

States that it is the goal of the legislature to expand the coverage area of network administrators to encompass the entire state.

Requires the department of social and health services to: (1) Recognizing that phased implementation may be necessary, conduct one or more procurement processes to expand the geographic coverage of network administrators for family support and related services;

(2) As part of the procurement process to expand coverage, issue the request for proposals or information no later than September 30, 2018, to expand the coverage area of the existing network administrator or expand the number of network administrators so that there is expanded network administrator coverage on the east side of the crest of the Cascade mountain range;

(3) Begin expanded implementation of performance-based contracting no later than January 30, 2019, if a qualified organization responds to the procurement process;

(4) Share relevant data with the network administrators in order for them to track performance and effectiveness of the services in the network; and

(5) Make performance data available to the public.

Prohibits the department from requiring existing network administrators to reapply to provide services in the coverage area of the existing network administrator.

Requires network administrators to, directly or through subcontracts with service providers: (1) Manage the entire family support and related service array within the geographic boundaries of a given network; and

(2) Have the authority to redistribute funding within the network based on provider performance and the need to address service gaps if approval is provided by the department.