One of the most frequently cited barriers to providing and sustaining early childhood mental health consultation (ECMHC) is a lack of funding. To support states and communities in their quest for sustainable ECMHC funding, this article highlights findings from a national scan on current funding strategies, as well as recommendations from mental health financing experts. The article offers a sustainability framework to help guide state and community efforts, a review of notable ECMHC funding strategies and critical challenges in funding ECMHC, a matrix of potential funding streams for states and communities to consider, and a checklist of essential sustainability tasks and recommendations for moving the field forward. (author abstract)