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Events and Things to do in Diamond Bar, CA

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Y2K Saturdays
Saturday at 9:00 PM + 119 more
Fullerton · Chako's Social
Y2K Saturdays
Saturday at 9:00 PM + 119 more
Fullerton · Chako's Social
Ladies R&B Brunch: Every Sunday - #1 R&B Brunch Party in OC
yesterday at 12:00 PM + 49 more
Fullerton · Chako's Social
Ladies R&B Brunch: Every Sunday - #1 R&B Brunch Party in OC
yesterday at 12:00 PM + 49 more
Fullerton · Chako's Social
Paint & Sip: Cherry Blossom Horizon
Sat, Apr 18, 5:30 PM
Downey · Stay Studio
Paint & Sip: Cherry Blossom Horizon
Sat, Apr 18, 5:30 PM
Downey · Stay Studio
Lethal Certification: Baton, Defensive Tactics, Pepper Spray, Handcuffing-
Wed, Apr 22, 7:00 AM
Commerce · Public Safety Institute
Lethal Certification: Baton, Defensive Tactics, Pepper Spray, Handcuffing-
Wed, Apr 22, 7:00 AM
Commerce · Public Safety Institute
Claremont Supper Club Present: Claremont by Candlelight
Thu, Apr 9, 6:00 PM
Claremont · Garner House
Claremont Supper Club Present: Claremont by Candlelight
Thu, Apr 9, 6:00 PM
Claremont · Garner House
ROZ at Glass House - CA
Thu, Apr 9, 8:00 PM
Pomona · The Glass House Concert Hall
ROZ at Glass House - CA
Thu, Apr 9, 8:00 PM
Pomona · The Glass House Concert Hall
Powerful Voices Open Mic Show - Live Music, Comedy, Poetry+ More!
Thu, Apr 2, 5:00 PM + 2 more
Alhambra · Alhambra
Powerful Voices Open Mic Show - Live Music, Comedy, Poetry+ More!
Thu, Apr 2, 5:00 PM + 2 more
Alhambra · Alhambra
BÜFF Party Long Beach @ Falcon North
Fri, Apr 3, 9:00 PM
Long Beach · Falcon North
BÜFF Party Long Beach @ Falcon North
Fri, Apr 3, 9:00 PM
Long Beach · Falcon North
Joe Wonderment Magic @Tacitas
Fri, Apr 10, 6:00 PM
Diamond Bar · 574 N Diamond Bar Blvd
Joe Wonderment Magic @Tacitas
Fri, Apr 10, 6:00 PM
Diamond Bar · 574 N Diamond Bar Blvd
Paint and Sip: Watercolor Edition
Fri, Apr 10, 7:00 PM
La Puente · Feathered Serpent Brewery
Paint and Sip: Watercolor Edition
Fri, Apr 10, 7:00 PM
La Puente · Feathered Serpent Brewery
Sales end soon
2026 Mr and Ms Military Showcase
Saturday at 6:00 PM
Pasadena · 131 S St John Ave
Sales end soon
2026 Mr and Ms Military Showcase
Saturday at 6:00 PM
Pasadena · 131 S St John Ave
56th Annual Opal Show
Sat, Oct 24, 10:00 AM + 1 more
Orange · 300 S Flower St
56th Annual Opal Show
Sat, Oct 24, 10:00 AM + 1 more
Orange · 300 S Flower St
"Oracles: Prophecy, Divination, Portals" Dr Rietveld Zoom Talk-April 9, 8pm
Thu, Apr 9, 8:00 PM
Fullerton · Ipso Facto
"Oracles: Prophecy, Divination, Portals" Dr Rietveld Zoom Talk-April 9, 8pm
Thu, Apr 9, 8:00 PM
Fullerton · Ipso Facto
Beach Country Fest ft Whey Jennings and Elijah Scott
Mon, May 25, 3:00 PM
Rancho Cucamonga · Epic Events Center
Beach Country Fest ft Whey Jennings and Elijah Scott
Mon, May 25, 3:00 PM
Rancho Cucamonga · Epic Events Center
Sales end soon
Live Jazz Brunch at Visionarium with Cheryl D. Barnes
Saturday at 12:00 PM
South Pasadena · 1020 Mission St
Sales end soon
Live Jazz Brunch at Visionarium with Cheryl D. Barnes
Saturday at 12:00 PM
South Pasadena · 1020 Mission St
Onejudoka Footsweep Seminar Pt. 2
Sat, Apr 11, 12:00 PM
Glendora · The Lair Jiu Jitsu
Onejudoka Footsweep Seminar Pt. 2
Sat, Apr 11, 12:00 PM
Glendora · The Lair Jiu Jitsu
Sculpt Pilates Hillcrest Fullerton
Sat, Apr 11, 11:00 AM
Fullerton · 1155 N Lemon St
Sculpt Pilates Hillcrest Fullerton
Sat, Apr 11, 11:00 AM
Fullerton · 1155 N Lemon St
Just added
MOMMY & ME PILATES
Sat, Apr 11, 9:30 AM
Fullerton · 1155 N Lemon St
Just added
MOMMY & ME PILATES
Sat, Apr 11, 9:30 AM
Fullerton · 1155 N Lemon St
Centennial Celebration Sunday Horse Show - April 2026
Sun, Apr 12, 12:30 PM
Pomona · W.K. Kellogg Arabian Horse Center
Centennial Celebration Sunday Horse Show - April 2026
Sun, Apr 12, 12:30 PM
Pomona · W.K. Kellogg Arabian Horse Center
Bollywood Dance Fitness Night!
Wed, Apr 8, 6:30 PM
Fullerton · 770 S Harbor Blvd
Bollywood Dance Fitness Night!
Wed, Apr 8, 6:30 PM
Fullerton · 770 S Harbor Blvd

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:

Paint & Sip: Cherry Blossom Horizon

Lethal Certification: Baton, Defensive Tactics, Pepper Spray, Handcuffing-

Claremont Supper Club Present: Claremont by Candlelight

ROZ at Glass House - CA

Which events are currently trending in Diamond Bar?

The trending searches this month in Diamond Bar are:

easter egg hunt free

living trust and estate planning seminar

events happening today near me

Which events are coming up?

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

Ladies R&B Brunch: Every Sunday - #1 R&B Brunch Party in OC

Live Jazz Brunch at Visionarium with Cheryl D. Barnes

2026 Mr and Ms Military Showcase