Are you a nonprofit looking for volunteers?

OneOC's online volunteer calendar has 100s of volunteer opportunities. Is your volunteer opportunity there?

Post your volunteer opportunity today! We are here to connect you with volunteers of all types. Whether you have one-time projects or ongoing volunteer needs, you can advertise your volunteer opportunities to the thousands of volunteers who visit our website weekly.

Posting your volunteer opportunities in our searchable database is easy.  Simply attend a 30 minute webinar training, and afterwards you'll be able to use our system to post opportunities, communicate with volunteers, mark volunteer attendance and track volunteer hours.


How to Participate:

  • Make sure you're eligible. OneOC works with 501c3 nonprofits, community-based agencies, schools, and government organizations based in Orange County.
  • Be an active member of OneOC. Not sure if your organization is a member? Need to reactivate your account and/or add a contact? Please contact us at
  • Not a member of OneOC? Become a member by registering your organization as an Accelerate or Premium member. In the membership registration process, please check the box at the bottom of the online form that you are interested in "posting volunteer opportunities." We will review your application and contact you within one week to confirm your membership.
  • Lastly, register for a live webinar. Register using your work email address for under our training catalog for the course called, "Webinar: Posting Volunteer Opportunities on OneOC's Website". During the training, you will learn how to post volunteer projects on our site, where to log in, how to respond to your volunteers. Upon completion of the webinar, an email will be within 24 hours with your ID and password.