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Volunteer, Vacaville, CA, USA
12,701 volunteer opportunities
Save Search
Virtual Volunteer Tutor + Mentor Elementary School Students (No Experience Required)
Step Up Tutoring
Remote
United States
Posted 11 hours ago
Virtual Volunteer Tutor + Mentor Elementary School Students (No Experience Required)
Step Up Tutoring
Remote
United States
Posted 11 hours ago
Interested in creating product specs for new features? Join Oppia's Product Operations Team!
OPPIA FOUNDATION INC
Remote
Anywhere
Posted 22 hours ago
Interested in measuring the impact of new feature launches? Join Oppia's Product Analytics Team!
OPPIA FOUNDATION INC
Remote
Anywhere
Posted 22 hours ago
Android App Developer
OPPIA FOUNDATION INC
Remote
Anywhere
Posted 22 hours ago
Web Application Developer
OPPIA FOUNDATION INC
Remote
Anywhere
Posted 22 hours ago
Disaster Tech Response Team - Greater Sacramento Area
Information Technology Disaster Resource Center, Inc
Hybrid
California, US
Training Provided
Posted 1 day ago
Clinic Assistant Volunteer
Animal Fix Clinic
On-site
Pinole, CA
Training Provided
Posted 1 day ago
Patient Intake Volunteer
Animal Fix Clinic
On-site
Pinole, CA
Training Provided
Posted 1 day ago
Pollinator Party with CREEC at Revival Coffee
Carquinez Regional Environmental Education Center (CCAC)
On-site
Crockett, CA
4/18/2026 9:30 AM - 11:30 AM PDT
Source: Golden
April 11 Second Saturday Community Work Day at the UC Davis Good Life Garden
UC Davis Arboretum and Public Garden (CCAC)
On-site
Davis, CA
4/11/2026 9:00 AM - 11:30 AM PDT
Source: Golden
Garden Day at CREEC (Thursdays & Saturdays)
Carquinez Regional Environmental Education Center (CCAC)
On-site
Crockett, CA
4/11/2026 10:00 AM - 2:00 PM PDT
Source: Golden
Volunteer App Developer - Help Build A Civic Engagement App for Sacramento
The Community Engagement Center
Remote
United States
Academic Credit
Good for Groups
Posted 2 days ago
Sacramento Great Strides - Photographer Needed
Cystic Fibrosis Foundation- Sacramento Chapter
On-site
West Sacramento, CA
Done in a Day
Posted 3 days ago
Medical Provider Volunteer at RotaCare Pittsburg Free Medical Clinic at St. Vincent de Paul
DISTRICT COUNCIL OF CONTRA COSTA CO
On-site
PITTSBURG, CA
4/8/2026 9:00 AM - 12/14/2026 5:00 PM PDT
Posted 3 days ago
Volunteer at Walnut Creek (Arboleda): Yoga Instructor
Satellite Affordable Housing Associates
On-site
Walnut Creek, CA
Posted 3 days ago
Pacific Crest Trail Maintenance Volunteers - Washington
Pacific Crest Trail Association
Hybrid
Washington, US
Training Provided
Good for Groups
Posted 3 days ago
Pacific Crest Trail Maintenance Volunteers - Oregon
Pacific Crest Trail Association
Hybrid
Oregon, US
Training Provided
Good for Groups
Posted 3 days ago
Pacific Crest Trail Maintenance Volunteers - California
Pacific Crest Trail Association
Hybrid
California, US
Training Provided
Good for Groups
Posted 3 days ago
W
Wetland restoration, with soil and geology talk
Land Trust of Napa County
On-site
Angwin, CA
4/19/2026 9:00 AM - 12:30 PM PDT
Done in a Day
Family Friendly
Good for Groups
Posted 4 days ago
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