Family Events in Diamond Bar, CA

Discover family events in Diamond Bar, CA on VibeHawk. Browse upcoming events with dates, venues, and ticket prices, then tap any listing for details and tickets.

• Cal Poly Pomona PumpkinFest

  Oct 10 – Oct 31, 2026 · 10:00 AM

  AGRIscapes, 4102 S. University Drive, Pomona, CA

  See tickets

• Halloween Party

  Saturday, October 31, 2026 · 9:00 AM

  738 Pantera Drive, CA

  Free

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