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Community Events and Things to do in Diamond Bar, CA

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Halloween Family Glow Party
Sat, Oct 24, 4:00 PM
Upland · 217 E A St
Halloween Family Glow Party
Sat, Oct 24, 4:00 PM
Upland · 217 E A St
Arabian Nights Awards Gala
Sat, Aug 29, 5:00 PM
Garden Grove · Embassy Suites by Hilton Anaheim South
Arabian Nights Awards Gala
Sat, Aug 29, 5:00 PM
Garden Grove · Embassy Suites by Hilton Anaheim South
Beauty Of Grace And Forgiveness Woman’s Empowerment Event
Sat, Jul 18, 2:30 PM
Rancho Cucamonga · RhythmAddict Dance Center
Beauty Of Grace And Forgiveness Woman’s Empowerment Event
Sat, Jul 18, 2:30 PM
Rancho Cucamonga · RhythmAddict Dance Center
Cooper Museum Speaker Series: The Human Connection of Sister Cities
Thu, Sep 24, 6:30 PM
Upland · 217 E A St
Cooper Museum Speaker Series: The Human Connection of Sister Cities
Thu, Sep 24, 6:30 PM
Upland · 217 E A St
Table 4 Tonight: Rosemead | Dinner with Strangers small town
Sun, Aug 9, 7:00 PM + 6 more
Rosemead · Restaurant of the Week
Table 4 Tonight: Rosemead | Dinner with Strangers small town
Sun, Aug 9, 7:00 PM + 6 more
Rosemead · Restaurant of the Week
Bloom & Co Market — FREE Community Popup Market Elks lodge Garden Grove
Sat, Jul 18, 11:00 AM
Garden Grove · 11551 Trask Ave
Bloom & Co Market — FREE Community Popup Market Elks lodge Garden Grove
Sat, Jul 18, 11:00 AM
Garden Grove · 11551 Trask Ave
Compost Caravan - Irvine
Thu, Jun 4, 8:30 AM
Irvine · Frank R. Bowerman Landfill (No public disposal)
Compost Caravan - Irvine
Thu, Jun 4, 8:30 AM
Irvine · Frank R. Bowerman Landfill (No public disposal)
Cooper Museum Speaker Series: The Surprising History of American Funerals
Thu, Oct 29, 6:30 PM
Upland · 217 E A St
Cooper Museum Speaker Series: The Surprising History of American Funerals
Thu, Oct 29, 6:30 PM
Upland · 217 E A St
Fall Picnic at the Historic Chaffey Communities Cultural Center
Sun, Oct 11, 11:00 AM
Upland · Pioneer Park
Fall Picnic at the Historic Chaffey Communities Cultural Center
Sun, Oct 11, 11:00 AM
Upland · Pioneer Park
Cooper Museum Speaker Series: Urban Gardening
Thu, Nov 19, 6:30 PM
Upland · 217 E A St
Cooper Museum Speaker Series: Urban Gardening
Thu, Nov 19, 6:30 PM
Upland · 217 E A St
Santa Ana 2026 Pride
Sat, Jun 27, 11:00 AM
Santa Ana · 125 N Broadway
Santa Ana 2026 Pride
Sat, Jun 27, 11:00 AM
Santa Ana · 125 N Broadway
FIESTA DE LA CANDELARIA EN CALIFORNIA
Sat, Sep 5, 7:00 PM
Santa Ana · 520 W Walnut St
FIESTA DE LA CANDELARIA EN CALIFORNIA
Sat, Sep 5, 7:00 PM
Santa Ana · 520 W Walnut St
Speed Dating for Singles w/ No Kids - Riverside, CA
Wed, Jun 17, 7:00 PM
Riverside · BRÜE CRÜE
Speed Dating for Singles w/ No Kids - Riverside, CA
Wed, Jun 17, 7:00 PM
Riverside · BRÜE CRÜE
Historic French Park Residential Architecture Tour
Sat, Jun 13, 10:00 AM + 1 more
Santa Ana · Thomas House, aka The Vogel Victorian
Historic French Park Residential Architecture Tour
Sat, Jun 13, 10:00 AM + 1 more
Santa Ana · Thomas House, aka The Vogel Victorian
Almost full
CASTLE GREEN SPRING TOUR
Sun, Jun 14, 11:00 AM
Pasadena · Castle Green
Almost full
CASTLE GREEN SPRING TOUR
Sun, Jun 14, 11:00 AM
Pasadena · Castle Green
OC Pride Our Voices All Combined Festival & Parade
Sat, Oct 10, 11:00 AM
Santa Ana · 301 E 3rd St
OC Pride Our Voices All Combined Festival & Parade
Sat, Oct 10, 11:00 AM
Santa Ana · 301 E 3rd St
2026 SoCal CoDA Conference / Acceptance and Serenity
Fri, Jul 17, 10:00 AM
Pasadena · Holiday Inn Express & Suites Pasadena - Los Angeles by IHG
2026 SoCal CoDA Conference / Acceptance and Serenity
Fri, Jul 17, 10:00 AM
Pasadena · Holiday Inn Express & Suites Pasadena - Los Angeles by IHG
Sales end soon
Crafting with a Professional
Today at 5:30 PM
Irvine · 17811 Fitch
Sales end soon
Crafting with a Professional
Today at 5:30 PM
Irvine · 17811 Fitch
Noche de las Luminarias
Thu, Sep 17, 6:00 PM
San Gabriel · Grapevine Arbor
Noche de las Luminarias
Thu, Sep 17, 6:00 PM
San Gabriel · Grapevine Arbor
WE THE CULTURE - JUNETEENTH GAME & OPEN MIC NIGHT
Fri, Jun 19, 6:00 PM
Alhambra · 2620 W Main St
WE THE CULTURE - JUNETEENTH GAME & OPEN MIC NIGHT
Fri, Jun 19, 6:00 PM
Alhambra · 2620 W Main St

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:

Halloween Family Glow Party

Arabian Nights Awards Gala

Beauty Of Grace And Forgiveness Woman’s Empowerment Event

Cooper Museum Speaker Series: The Human Connection of Sister Cities

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:

Crafting with a Professional

Compost Caravan - Irvine

Historic French Park Residential Architecture Tour

CASTLE GREEN SPRING TOUR