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Community Events and Things to do in Diamond Bar, CA

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Sapphic Speed Dating | Women Loving Women | Ages 21+ | Queen's Lounge
Tomorrow at 3:00 PM
Downtown · Queens Lounge
Sapphic Speed Dating | Women Loving Women | Ages 21+ | Queen's Lounge
Tomorrow at 3:00 PM
Downtown · Queens Lounge
OC Pride Our Voices All Combined Festival & Parade
Sat, Oct 10, 11:00 AM
Downtown · 301 E 3rd St
OC Pride Our Voices All Combined Festival & Parade
Sat, Oct 10, 11:00 AM
Downtown · 301 E 3rd St
Noche de Altares 2026
Sat, Oct 24, 5:30 PM
The Block · Christ Cathedral Campus
Noche de Altares 2026
Sat, Oct 24, 5:30 PM
The Block · Christ Cathedral Campus
Coffee Speed Dating | Ages 35-45 | Morning Lavender | Tustin, CA
Friday at 6:00 PM
East Tustin · Morning Lavender Boutique & Cafe
Coffee Speed Dating | Ages 35-45 | Morning Lavender | Tustin, CA
Friday at 6:00 PM
East Tustin · Morning Lavender Boutique & Cafe
Cooper Museum Speaker Series: The Human Connection of Sister Cities
Thu, Sep 24, 6:30 PM
Dowtown · 217 E A St
Cooper Museum Speaker Series: The Human Connection of Sister Cities
Thu, Sep 24, 6:30 PM
Dowtown · 217 E A St
Driving Hope Home - Community Car Show & Fall Festival
Sat, Oct 3, 9:00 AM
La Jolla · Placentia Presbyterian Church
Driving Hope Home - Community Car Show & Fall Festival
Sat, Oct 3, 9:00 AM
La Jolla · Placentia Presbyterian Church
Cooper Museum Speaker Series: Urban Gardening
Thu, Nov 19, 6:30 PM
Dowtown · 217 E A St
Cooper Museum Speaker Series: Urban Gardening
Thu, Nov 19, 6:30 PM
Dowtown · 217 E A St
Fall Picnic at the Historic Chaffey Communities Cultural Center
Sun, Oct 11, 11:00 AM
Los Olivos · Pioneer Park
Fall Picnic at the Historic Chaffey Communities Cultural Center
Sun, Oct 11, 11:00 AM
Los Olivos · Pioneer Park
Astronaut City’s 1-Year Anniversary Party
Sun, Oct 4, 5:00 PM
West Arcadia · Astronaut City
Astronaut City’s 1-Year Anniversary Party
Sun, Oct 4, 5:00 PM
West Arcadia · Astronaut City
Manos De Mexico
Friday at 6:00 PM
Downtown Area · 424 W Whittier Blvd
Manos De Mexico
Friday at 6:00 PM
Downtown Area · 424 W Whittier Blvd
Bowling, Bites & Connections - Ages 20+ - Montclair
Sat, Sep 26, 6:15 PM
Indian Hill · Bowlium Lanes
Bowling, Bites & Connections - Ages 20+ - Montclair
Sat, Sep 26, 6:15 PM
Indian Hill · Bowlium Lanes
Speed Dating @ Bella Lounge | Ages 35-45 and 45-55
Sun, Sep 27, 5:30 PM
Downey Road · Bella Lounge
Speed Dating @ Bella Lounge | Ages 35-45 and 45-55
Sun, Sep 27, 5:30 PM
Downey Road · Bella Lounge
Hope: This Changes Everything Tour
Sat, Sep 26, 4:00 PM
Downtown · First United Methodist Church of Pasadena
Hope: This Changes Everything Tour
Sat, Sep 26, 4:00 PM
Downtown · First United Methodist Church of Pasadena
Old World Wiener Nationals "Princess Theresa Trot" Race
Sun, Sep 27, 10:00 AM
North Huntington Center · 7561 Center Ave #38
Old World Wiener Nationals "Princess Theresa Trot" Race
Sun, Sep 27, 10:00 AM
North Huntington Center · 7561 Center Ave #38
Pillow Talk
Sat, Oct 17, 6:00 PM
Downtown · 11910 Foothill Blvd
Pillow Talk
Sat, Oct 17, 6:00 PM
Downtown · 11910 Foothill Blvd
"The 125th" A Country & Western Affair...
Sun, Oct 25, 2:00 PM
South Arroyo · Pasadena Elks Lodge #672
"The 125th" A Country & Western Affair...
Sun, Oct 25, 2:00 PM
South Arroyo · Pasadena Elks Lodge #672
HERITAGE 2026
Sun, Sep 27, 4:00 PM
West Central · Ahiah Center For Spiritual Living Pasadena
HERITAGE 2026
Sun, Sep 27, 4:00 PM
West Central · Ahiah Center For Spiritual Living Pasadena
LA SINGLES NIGHT @TOPGOLF Montebello ⛳
Sat, Sep 19, 8:00 PM
Aldergate · Topgolf Montebello
LA SINGLES NIGHT @TOPGOLF Montebello ⛳
Sat, Sep 19, 8:00 PM
Aldergate · Topgolf Montebello
Pathway From Boys To Men Inc. Celebrating 21 years of Community Services
Sat, Oct 24, 6:00 PM
North Cucamonga · Five Star Catering & Event Center
Pathway From Boys To Men Inc. Celebrating 21 years of Community Services
Sat, Oct 24, 6:00 PM
North Cucamonga · Five Star Catering & Event Center
EL VELORIO
Sat, Oct 10, 7:00 PM
Lincoln Heights · Plaza De La Raza
EL VELORIO
Sat, Oct 10, 7:00 PM
Lincoln Heights · Plaza De La Raza

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:

OC Pride Our Voices All Combined Festival & Parade

Noche de Altares 2026

Cooper Museum Speaker Series: The Human Connection of Sister Cities

Driving Hope Home - Community Car Show & Fall Festival

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:

Sapphic Speed Dating | Women Loving Women | Ages 21+ | Queen's Lounge

Coffee Speed Dating | Ages 35-45 | Morning Lavender | Tustin, CA

Manos De Mexico

LA SINGLES NIGHT @TOPGOLF Montebello ⛳