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Events and Things to do in Diamond Bar, CA

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New Wave Nite - Red • White • Glow -Memorial Day Weekend DJ Alpha Birthday
Sunday at 10:00 PM
Anaheim · HEAT Ultra Lounge
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New Wave Nite - Red • White • Glow -Memorial Day Weekend DJ Alpha Birthday
Sunday at 10:00 PM
Anaheim · HEAT Ultra Lounge
Bye Bye Birdie Opening Night
Fri, Jun 5, 8:00 PM
La Habra · The Phantom Projects Theatre at La Habra Depot
Bye Bye Birdie Opening Night
Fri, Jun 5, 8:00 PM
La Habra · The Phantom Projects Theatre at La Habra Depot
2026 Leaders In Energy Summit
Thu, Jun 4, 8:30 AM
Ontario · DoubleTree by Hilton Hotel Ontario Airport
2026 Leaders In Energy Summit
Thu, Jun 4, 8:30 AM
Ontario · DoubleTree by Hilton Hotel Ontario Airport
Almost full
Puppy Yoga x Campsite Brewing
Sun, May 31, 11:30 AM
Covina · Campsite Brewing Company
Almost full
Puppy Yoga x Campsite Brewing
Sun, May 31, 11:30 AM
Covina · Campsite Brewing Company
Flashback Fever W/ Desire
Sat, Jun 20, 8:00 PM
Pomona · Cosmo Event Center
Flashback Fever W/ Desire
Sat, Jun 20, 8:00 PM
Pomona · Cosmo Event Center
Rave Jesus at The Cathedral
Thu, Jun 11, 7:00 PM
Pomona · The Cathedral Pomona
Rave Jesus at The Cathedral
Thu, Jun 11, 7:00 PM
Pomona · The Cathedral Pomona
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Sick Sick Sinners
Saturday at 8:00 PM
Pomona · Flyway
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Sick Sick Sinners
Saturday at 8:00 PM
Pomona · Flyway
Santa Ana District PCC Plant Tour
Thu, Jun 11, 10:00 AM
City of Industry · 15421 Gale Ave
Santa Ana District PCC Plant Tour
Thu, Jun 11, 10:00 AM
City of Industry · 15421 Gale Ave
Los Huracanes Del Norte, Conjunto Azabache, Candido y su Huella Nortena...
Sat, Jun 13, 5:30 PM
Santa Fe Springs · Santa Fe Springs Swap Meet
Los Huracanes Del Norte, Conjunto Azabache, Candido y su Huella Nortena...
Sat, Jun 13, 5:30 PM
Santa Fe Springs · Santa Fe Springs Swap Meet
2026 Fullerton State of the City
Thu, Jun 11, 2:30 PM
Fullerton · Summit House Restaurant
2026 Fullerton State of the City
Thu, Jun 11, 2:30 PM
Fullerton · Summit House Restaurant
Three Valleys MWD's June Leadership Breakfast
Thu, Jun 25, 7:30 AM
Pomona · Kellogg West Conference Center and Hotel
Three Valleys MWD's June Leadership Breakfast
Thu, Jun 25, 7:30 AM
Pomona · Kellogg West Conference Center and Hotel
Going fast
Beginner Fragrance Making Workshop
Saturday at 2:00 PM
Placentia · Piel Morena Beauty
Going fast
Beginner Fragrance Making Workshop
Saturday at 2:00 PM
Placentia · Piel Morena Beauty
Santino Bros. Wrestling presents: FIGHT NIGHT
Fri, Jun 12, 8:00 PM
Azusa · VFW Azusa Post 8070
Santino Bros. Wrestling presents: FIGHT NIGHT
Fri, Jun 12, 8:00 PM
Azusa · VFW Azusa Post 8070
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Cafecito Social | Intimate Conversations. Powerful Connections.
Tomorrow at 8:00 AM
Pomona · 385 N Park Ave
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Cafecito Social | Intimate Conversations. Powerful Connections.
Tomorrow at 8:00 AM
Pomona · 385 N Park Ave
Hot Grease Anniversary Fish Fry
Sat, Jun 6, 12:00 PM
Placentia · 550 W Orangethorpe Ave
Hot Grease Anniversary Fish Fry
Sat, Jun 6, 12:00 PM
Placentia · 550 W Orangethorpe Ave
Visakha (Vesak) Day 2026 - A Celebration of the Buddha
Sun, May 31, 6:00 PM
Azusa · Dhammakaya International Meditation Center
Visakha (Vesak) Day 2026 - A Celebration of the Buddha
Sun, May 31, 6:00 PM
Azusa · Dhammakaya International Meditation Center
The Paper Route Ride 2026
Sat, Jun 6, 8:00 AM
Upland · Competitive Edge Cyclery
The Paper Route Ride 2026
Sat, Jun 6, 8:00 AM
Upland · Competitive Edge Cyclery
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BREACH FRIDAYS 5/22 INSOMNIAC CAMP OG EDC RECOVERY PARTY!!!
Friday at 9:00 PM
Pomona · MAXXIMO New Age Banquet Hall
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BREACH FRIDAYS 5/22 INSOMNIAC CAMP OG EDC RECOVERY PARTY!!!
Friday at 9:00 PM
Pomona · MAXXIMO New Age Banquet Hall
Sales end soon
Summer Corgi Nationals
Sunday at 11:00 AM
Arcadia · Santa Anita Park
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Summer Corgi Nationals
Sunday at 11:00 AM
Arcadia · Santa Anita Park
Rapid Momentum Networking in Anaheim, CA
Wed, May 27, 6:00 PM
Anaheim · Stone Groove Stillhouse
Rapid Momentum Networking in Anaheim, CA
Wed, May 27, 6:00 PM
Anaheim · Stone Groove Stillhouse

Trends in Diamond Bar

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Explore more trends

Frequently asked questions about Diamond Bar

What are the best events to attend?

According to Eventbrite, the best events are:

New Wave Nite - Red • White • Glow -Memorial Day Weekend DJ Alpha Birthday

Bye Bye Birdie Opening Night

2026 Leaders In Energy Summit

Puppy Yoga x Campsite Brewing

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:

Cafecito Social | Intimate Conversations. Powerful Connections.

BREACH FRIDAYS 5/22 INSOMNIAC CAMP OG EDC RECOVERY PARTY!!!

Beginner Fragrance Making Workshop

Sick Sick Sinners