April 13 from 10 a.m. to 3 p.m.

UW Tacoma Campus and Tollefson Plaza
2024 Activities Coming Soon!

The 16th Annual South Sound Sustainability Expo will return to downtown Tacoma on Saturday, April 13 from 10:00 AM to 3:00 PM.The Expo willl take place on the University of Washington Tacoma campus along the Prairie Line Trail, and in Tollefson Plaza. More information about the 2024 Expo will be added to this page in January 2024.

Vendor Registration

Coming February 2024

Make a Donation

Coming February 2024

Become a Sponsor

Coming February 2024

Countdown to the Expo!








For 16 years, the South Sound Sustainability Expo has been the region’s largest community celebration of all things sustainability. This free, family-friendly event features activities, presentations, performances, and art exhibits.


Thank You, Past Sponsors:

We'd love to hear from you!

4 + 11 =

Contact Expo Organizers:


City of Tacoma – Office of Environmental Policy and Sustainability


(253) 591-5172