Requires the secretary of the department of health, in coordination with the state health care authority and the University of Washington's alcohol and drug abuse institute, to develop a grant program to provide funding to accountable communities of health, the Dr. Robert Bree Collaborative, the University of Washington, Washington State University, and the department of health.

Repeals a tax preference for prescription drug warehousing firms.

Creates the opioid use disorder treatment account.

Requires the department of health to: (1) Estimate the increase to the general fund due to the repeal of the tax preference; and

(2) Notify the state treasurer of the estimated amount.

Requires the state treasurer to transfer that amount from the general fund to the opioid use disorder treatment account.