Get connected to activist organizations and events in Seattle and King County by visiting www.seattleactivism.org.
Seattle One Brick "provides support to local non-profit and community organizations by creating a unique, social and flexible volunteer environment for those interested in making a concrete difference in the community. We enable people to get involved, have an impact and have fun, without the requirements of individual long-term commitments."
Volunteer Match helps you find volunteer opportunities based on location, your skills and availability, and your interests.
United Way of King County and United Way of Snohomish County allow you to search for volunteer opportunities by topic, location, project type, etc.
Seattle Works offers one-time volunteer projects, training in board service and managing volunteer projects, opportunities to build leadership skills, and more!
Idealist.org connects you with jobs, internships, and volunteer opportunities that are all oriented toward building a world "where all people can live free and dignified lives."