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Events and Things to do in Diamond Bar, CA

Search for something you love or check out popular events in your area.

Sales end soon
Summer Cool Lift Peel Certification for Estheticians
Sunday at 10:00 AM
Buena Park · Courtyard by Marriott Anaheim Buena Park
Sales end soon
Summer Cool Lift Peel Certification for Estheticians
Sunday at 10:00 AM
Buena Park · Courtyard by Marriott Anaheim Buena Park
Whittier Springs Spa presents...The Whittier Sound Bath Experience
Sat, Jun 13, 5:00 PM
Whittier · 6512 Bright Ave
Whittier Springs Spa presents...The Whittier Sound Bath Experience
Sat, Jun 13, 5:00 PM
Whittier · 6512 Bright Ave
Going fast
Patient Amy @ HOB Foundation Room
Tomorrow at 10:30 PM
Anaheim · Foundation Room Anaheim
Going fast
Patient Amy @ HOB Foundation Room
Tomorrow at 10:30 PM
Anaheim · Foundation Room Anaheim
Going fast
ROOM 909 1 YR ANNIVERSARY | PHAM & FAM
Sat, Jun 6, 9:00 PM
Santa Ana · La Santa
Going fast
ROOM 909 1 YR ANNIVERSARY | PHAM & FAM
Sat, Jun 6, 9:00 PM
Santa Ana · La Santa
The Blonde Me Method Class: Los Angeles, CA
Mon, Jul 20, 10:30 AM
Chino Hills · Slate Hair Salon
The Blonde Me Method Class: Los Angeles, CA
Mon, Jul 20, 10:30 AM
Chino Hills · Slate Hair Salon
CSC Presents: Kicks on Route 66 feat. The Secret Jazz Band
Thu, Jul 9, 6:00 PM
Claremont · Garner House
CSC Presents: Kicks on Route 66 feat. The Secret Jazz Band
Thu, Jul 9, 6:00 PM
Claremont · Garner House
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Basic Peer Support Course
Monday at 8:00 AM
El Monte · El Monte Police Department
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Basic Peer Support Course
Monday at 8:00 AM
El Monte · El Monte Police Department
From Raíces to Bloom: The Silent Lotus Story Book Presentation & Birthday
Sat, Jun 13, 12:00 PM
Orange · 368 N Prospect St building b
From Raíces to Bloom: The Silent Lotus Story Book Presentation & Birthday
Sat, Jun 13, 12:00 PM
Orange · 368 N Prospect St building b
Root & Restore: Somatic & Nature-Based Reset
Sat, Jun 13, 10:00 AM
Brea · Carbon Canyon Regional Park
Root & Restore: Somatic & Nature-Based Reset
Sat, Jun 13, 10:00 AM
Brea · Carbon Canyon Regional Park
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RYTMO Music Industry Seminar
Saturday at 10:30 AM
Brea · Studio 770
Sales end soon
RYTMO Music Industry Seminar
Saturday at 10:30 AM
Brea · Studio 770
Men in Finance
Fri, Jun 12, 7:00 PM
Glendora · Georgio's Tuxedo
Men in Finance
Fri, Jun 12, 7:00 PM
Glendora · Georgio's Tuxedo
ENPC (Emergency Nursing Pediatric Course)
Thu, Jun 11, 8:00 AM
Orange · UCI Medical Center
ENPC (Emergency Nursing Pediatric Course)
Thu, Jun 11, 8:00 AM
Orange · UCI Medical Center
Spike Hellis Successor Tour 2026
Sun, Aug 2, 6:00 PM
Pomona · Lopez Urban Farm
Spike Hellis Successor Tour 2026
Sun, Aug 2, 6:00 PM
Pomona · Lopez Urban Farm
Family & Friends CPR
Thu, Jun 25, 6:00 PM
Upland · Healthy Beginnings
Family & Friends CPR
Thu, Jun 25, 6:00 PM
Upland · Healthy Beginnings
LOS ANGELES BARBER EXPO
Sun, Jul 26, 9:00 AM
Anaheim · 1855 S Harbor Blvd
LOS ANGELES BARBER EXPO
Sun, Jul 26, 9:00 AM
Anaheim · 1855 S Harbor Blvd
Los Angeles World Cup 26 Fan Zone at City of Downey
Sat, Jun 20, 8:30 AM
Downey · Stonewood Center
Los Angeles World Cup 26 Fan Zone at City of Downey
Sat, Jun 20, 8:30 AM
Downey · Stonewood Center
Orange County EAPA June 5th 2026 Presentation (1CE) & Networking (HYBRID)
Fri, Jun 5, 11:30 AM
Orange · 750 The City Dr S
Orange County EAPA June 5th 2026 Presentation (1CE) & Networking (HYBRID)
Fri, Jun 5, 11:30 AM
Orange · 750 The City Dr S
Sales end soon
Bamboo Flute Sound Journey & Guided Rest @ Irvine Regional Park.
Saturday at 4:30 PM
Orange · Irvine Regional Park
Sales end soon
Bamboo Flute Sound Journey & Guided Rest @ Irvine Regional Park.
Saturday at 4:30 PM
Orange · Irvine Regional Park
Going fast
✨️Birthday Sewing Class Mini Totes✨️
Sat, Jun 13, 11:00 AM
Whittier · The Upcycled Home
Going fast
✨️Birthday Sewing Class Mini Totes✨️
Sat, Jun 13, 11:00 AM
Whittier · The Upcycled Home
6th World Taste of Anaheim Packing District (D23 Night)
Tue, Aug 11, 5:00 PM
Anaheim · Anaheim Packing District
6th World Taste of Anaheim Packing District (D23 Night)
Tue, Aug 11, 5:00 PM
Anaheim · Anaheim Packing District

Trends in Diamond Bar

Explore more trends

Explore more trends

Frequently asked questions about Diamond Bar

What are the best events to attend?

According to Eventbrite, the best events are:

Whittier Springs Spa presents...The Whittier Sound Bath Experience

ROOM 909 1 YR ANNIVERSARY | PHAM & FAM

The Blonde Me Method Class: Los Angeles, CA

CSC Presents: Kicks on Route 66 feat. The Secret Jazz Band

Which events are currently trending in Diamond Bar?

The trending searches this month in Diamond Bar are:

living trust and estate planning seminar

free kids event

Which events are coming up?

Discover the best events happening soon – you don't want to miss them:

Patient Amy @ HOB Foundation Room

RYTMO Music Industry Seminar

Bamboo Flute Sound Journey & Guided Rest @ Irvine Regional Park.

Summer Cool Lift Peel Certification for Estheticians