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Community events in Diamond Bar, CA

673 upcoming community events in Diamond Bar, CA (California), gathered from local organizers and checked daily.

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Community events in Diamond Bar, CA

673 events · page 1 of 17

Soonest first

Today · Thursday, October 8

Oct08Thu

CommunityCost not stated

A+B Ranch Saddle Series

A + B Ranch, 3965 Buena Vista Dr, Paso Robles, CA, United States · Diamond Bar, CA

All day · In person

Oct08Thu

CommunityCost not stated

Tomorrow — Thursday, October 8

Best Playgrounds Near Diamond Bar, CA for Kids (2026) · Diamond Bar, CA

9:00 AM · America/Los_Angeles · In person

Oct08Thu

CommunityCost not stated

Thursday, October 8

Best Playgrounds Near Diamond Bar, CA for Kids (2026) · Diamond Bar, CA

9:00 AM · America/Los_Angeles · In person

Oct08Thu

CommunityCost not stated

This Week's Events

Calendar · Diamond Bar, CA

9:00 AM · America/Los_Angeles · In person

Oct08Thu

CommunityCost not stated

PROGRAMs

Fundraising & Donations · Diamond Bar, CA

9:15 AM · America/Los_Angeles · In person

Oct08Thu

CommunityCost not stated

Heart Club: Fall Game Frenzy

Best Playgrounds Near Diamond Bar, CA for Kids (2026) · Diamond Bar, CA

10:00 AM · America/Los_Angeles · In person

Oct08Thu

CommunityCost not stated

About

Lab Grown Diamonds in Diamond Bar · Diamond Bar, CA

11:00 AM · America/Los_Angeles · In person

Oct08Thu

CommunityCost not stated

SilverSneakers®

20801 GOLDEN SPRINGS DR. DIAMOND BAR, CA 91789 · Diamond Bar, CA

11:00 AM · America/Los_Angeles · In person

Oct08Thu

CommunityCost not stated

SilverSneakers®

20801 GOLDEN SPRINGS DR. DIAMOND BAR, CA 91789 · Diamond Bar, CA

12:00 PM · America/Los_Angeles · In person

Oct08Thu

CommunityCost not stated

Location:

Calendar · Diamond Bar, CA

2:00 PM · America/Los_Angeles · In person

Oct08Thu

CommunityCost not stated

Stay & Play

Best Playgrounds Near Diamond Bar, CA for Kids (2026) · Diamond Bar, CA

2:45 PM · America/Los_Angeles · In person

Oct08Thu

CommunityCost not stated

THU

Brahmas Official Athletic Website · Diamond Bar, CA

3:30 PM · America/Los_Angeles · In person

Oct08Thu

CommunityCost not stated

LEGO® Dinosaurs

Best Playgrounds Near Diamond Bar, CA for Kids (2026) · Diamond Bar, CA

4:00 PM · America/Los_Angeles · In person

Oct08Thu

CommunityCost not stated

CDT

Family Medicine Residency ... · Diamond Bar, CA

4:00 PM · America/Los_Angeles · In person

Oct08Thu

CommunityCost not stated

LEGO® Dinosaurs

Best Playgrounds Near Diamond Bar, CA for Kids (2026) · Diamond Bar, CA

5:00 PM · America/Los_Angeles · In person

Oct08Thu

CommunityCost not stated

Cycle

20801 GOLDEN SPRINGS DR. DIAMOND BAR, CA 91789 · Diamond Bar, CA

6:45 PM · America/Los_Angeles · In person

Oct08Thu

CommunityCost not stated

Thu

21308 Pathfinder Rd, Diamond Bar, CA 91765 · Diamond Bar, CA

7:00 PM · America/Los_Angeles · In person

Oct08Thu

CommunityCost not stated

CDT

Family Medicine Residency ... · Diamond Bar, CA

7:00 PM · America/Los_Angeles · In person

Tomorrow · Friday, October 9

Oct09Fri

CommunityCost not stated

2026 Nolan Watters Memorial

George Ingalls Equestrian Center, 3737 Crestview Ave., Norco, CA, United States · Diamond Bar, CA

All day · Through 2026-10-11 · In person

Oct09Fri

CommunityCost not stated

Location:

Calendar · Diamond Bar, CA

9:00 AM · America/Los_Angeles · In person

Oct09Fri

CommunityCost not stated

Adaptive - 4:00 PM F

Best Playgrounds Near Diamond Bar, CA for Kids (2026) · Diamond Bar, CA

9:00 AM · America/Los_Angeles · In person

Oct09Fri

CommunityCost not stated

Friday, October 9

Best Playgrounds Near Diamond Bar, CA for Kids (2026) · Diamond Bar, CA

9:00 AM · America/Los_Angeles · In person

Oct09Fri

CommunityCost not stated

PROGRAMs

Fundraising & Donations · Diamond Bar, CA

9:15 AM · America/Los_Angeles · In person

Oct09Fri

CommunityCost not stated

Body Works Plus Abs

20801 GOLDEN SPRINGS DR. DIAMOND BAR, CA 91789 · Diamond Bar, CA

9:45 AM · America/Los_Angeles · In person

Oct09Fri

CommunityCost not stated

Location:

Calendar · Diamond Bar, CA

10:00 AM · America/Los_Angeles · In person

Oct09Fri

CommunityCost not stated

About

Lab Grown Diamonds in Diamond Bar · Diamond Bar, CA

11:00 AM · America/Los_Angeles · In person

Oct09Fri

CommunityCost not stated

SilverSneakers®

20801 GOLDEN SPRINGS DR. DIAMOND BAR, CA 91789 · Diamond Bar, CA

11:00 AM · America/Los_Angeles · In person

About these listings

Events come from local sources and are reviewed before publication. Details can change; check with the organizer before you go. Unknown information is always labeled.