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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.

Going fast
Family & Friends CPR
Thu, Jun 25, 6:00 PM
Upland · Healthy Beginnings
Going fast
Family & Friends CPR
Thu, Jun 25, 6:00 PM
Upland · Healthy Beginnings
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
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
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
Sales end soon
Basic Peer Support Course
Tomorrow at 8:00 AM
El Monte · El Monte Police Department
Sales end soon
Basic Peer Support Course
Tomorrow at 8:00 AM
El Monte · El Monte Police Department
LABA In Person Event with Heather Cobb, Ed.D, BCBA-D
Sat, Jun 13, 2:00 PM
Orange · Brett DiNovi & Associates: California
LABA In Person Event with Heather Cobb, Ed.D, BCBA-D
Sat, Jun 13, 2:00 PM
Orange · Brett DiNovi & Associates: California
Sales end soon
ENPC (Emergency Nursing Pediatric Course)
Thu, Jun 11, 8:00 AM
Orange · UCI Medical Center
Sales end soon
ENPC (Emergency Nursing Pediatric Course)
Thu, Jun 11, 8:00 AM
Orange · UCI Medical Center
Cooper Museum Speaker Series: Historic Home Styles
Thu, Jun 25, 6:30 PM
Upland · 217 E A St
Cooper Museum Speaker Series: Historic Home Styles
Thu, Jun 25, 6:30 PM
Upland · 217 E A St
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
Almost full
Taste of Korea: Learn Classic Korean Dishes
Mon, Jun 15, 6:00 PM
Monrovia · Saute Culinary Academy
Almost full
Taste of Korea: Learn Classic Korean Dishes
Mon, Jun 15, 6:00 PM
Monrovia · Saute Culinary Academy
ROLLIND DEEP 4 CHARITIES INAUGURAL GOLF TOURNAMENT
Fri, Jul 31, 10:00 AM
Whittier · California Country Club
ROLLIND DEEP 4 CHARITIES INAUGURAL GOLF TOURNAMENT
Fri, Jul 31, 10:00 AM
Whittier · California Country Club
Inland Empire Speed Dating for Singles Age 25-40 ♥ Montclair California at Dragons Tale Brewery
Fri, Jun 26, 8:00 PM
Montclair · Dragons Tale Brewery
Inland Empire Speed Dating for Singles Age 25-40 ♥ Montclair California at Dragons Tale Brewery
Fri, Jun 26, 8:00 PM
Montclair · Dragons Tale Brewery
Orange County EAPA June 5th 2026 Presentation (1CE) & Networking (HYBRID)
Friday at 11:30 AM
Orange · 750 The City Dr S
Orange County EAPA June 5th 2026 Presentation (1CE) & Networking (HYBRID)
Friday at 11:30 AM
Orange · 750 The City Dr S
ACRE IE Event - Exclusive First Look: Ontario Tower Buzzers Stadium
Thu, Jun 25, 11:00 AM
Ontario · 9375 E Riverside Dr
ACRE IE Event - Exclusive First Look: Ontario Tower Buzzers Stadium
Thu, Jun 25, 11:00 AM
Ontario · 9375 E Riverside Dr
Summer Snow-LowRider Car Show & Concert-Suga Free,Trinere,Tapps,Bad Vic
Sun, Aug 9, 1:00 PM
Pomona · The Derby Room Pomona at Fairplex
Summer Snow-LowRider Car Show & Concert-Suga Free,Trinere,Tapps,Bad Vic
Sun, Aug 9, 1:00 PM
Pomona · The Derby Room Pomona at Fairplex
Comedy Show Fundraiser
Friday at 8:00 PM
Arcadia · Dave & Buster's Arcadia - Santa Anita
Comedy Show Fundraiser
Friday at 8:00 PM
Arcadia · Dave & Buster's Arcadia - Santa Anita
Executive Women's Symposium, Golf Fashion Show, Golf Clinic/Tournament
Mon, Oct 5, 9:30 AM
Diamond Bar · Diamond Bar Golf Course
Executive Women's Symposium, Golf Fashion Show, Golf Clinic/Tournament
Mon, Oct 5, 9:30 AM
Diamond Bar · Diamond Bar Golf Course
Going fast
Taste of the Mediterranean: Fresh & Flavorful Cooking Class
Tomorrow at 6:00 PM
Monrovia · Saute Culinary Academy
Going fast
Taste of the Mediterranean: Fresh & Flavorful Cooking Class
Tomorrow at 6:00 PM
Monrovia · Saute Culinary Academy
HumorHaven StandUpComedy
Sat, Jul 18, 8:00 PM
City of Industry · 16025 Gale Ave
HumorHaven StandUpComedy
Sat, Jul 18, 8:00 PM
City of Industry · 16025 Gale Ave
Almost full
Fated Encounter
Sun, Jun 14, 1:00 PM
Santa Ana · The 1912
Almost full
Fated Encounter
Sun, Jun 14, 1:00 PM
Santa Ana · The 1912

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:

Family & Friends CPR

Los Angeles World Cup 26 Fan Zone at City of Downey

Spike Hellis Successor Tour 2026

LOS ANGELES BARBER EXPO

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:

Basic Peer Support Course

Taste of the Mediterranean: Fresh & Flavorful Cooking Class

Orange County EAPA June 5th 2026 Presentation (1CE) & Networking (HYBRID)

Comedy Show Fundraiser