Usa-Places.com has listed approx 12 Non-profit organizations in CA 95521. Some of the Top rated Non-profit organizations in CA 95521 are- Friends of the Dunes, Center Activities, Little Learners Arcata (10th Street), River Community Homes, Humboldt Baykeeper, Northcoast Environmental Center, Evolve Youth Services, Humboldt Center for Constitutional Rights, Waste Reduction and Resource Awareness Program & Seventh Generation Fund.