Costa Mesa Eco Expo
Interactive exhibits and family activities about recycling and resource conservation.
- When · Pacific time
- Wed, Sep 30
2 pm–6 pm - Where
- Costa Mesa Sanitary District
290 Paularino Avenue, Costa Mesa, CA 92626
Orange County - Admission
- Free family event.
- Before you go
- Organizer requests an RSVP at cmsdca.gov/events.
Dates in our guide
2026-09-30. Dates announced by the source.
- Wed, Sep 30 · 2 pm–6 pmCalendar ↓
Sources & freshness
Checked 2026-09-13. Confirm last-minute changes before traveling.
Independent listing. How this guide works.