Volunteer Center of Napa Valley 1820 Jefferson St, Napa, CA94559 The Volunteer Center of Napa Valley is a non-profit organization that connects people with others in need in the Napa…More community. The organization's recruitment program coordinates volunteers and assigns individuals and groups to various projects. It has become a single point-of-contact for matching volunteers to charitable projects and non-profits throughout the community. Some of the programs designed for individuals above 35 years of age include disaster relief, sexual assault, services for seniors and elder abuse. The Volunteer Center of Napa Valley was established in 1974.