NAMI Tri-Valley is a grassroots organization comprised of families, consumers and mental health professionals that offer support, resources and education to the Tri-Valley area, which includes the cities of Livermore, Dublin and Pleasanton. NAMI Tri-Valley is an affiliate of NAMI California and NAMI National.

In 2005, five thoughtful people gathered together to develop NAMI Tri-Valley and, by the end of 2007, the affiliate had grown to over 30 members. In 2009, NAMI Tri-Valley has it's first Program: Family-to-Family Educational Classes and boasts a membership of 48 members.