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Community Events and Things to do in Diamond Bar, CA this month

Search for something you love or check out popular events in your area.

Convención California 2026
Arrow Corridor · Sheraton Fairplex Suites & Conference Center
Convención California 2026
Arrow Corridor · Sheraton Fairplex Suites & Conference Center
Pomona Children's Festival 2026
Sat, Sep 19, 10:00 AM
Downtown · Pomona Civic Center Park
Pomona Children's Festival 2026
Sat, Sep 19, 10:00 AM
Downtown · Pomona Civic Center Park
Battle of the Bands Fundraiser
Sat, Sep 19, 7:00 PM
Downtown Fullerton · The Table OC
Battle of the Bands Fundraiser
Sat, Sep 19, 7:00 PM
Downtown Fullerton · The Table OC
Plei Game Night - RANCHO CUCAMONGA
Fri, Sep 11, 7:00 PM
Downtown · Epic Events Center
Plei Game Night - RANCHO CUCAMONGA
Fri, Sep 11, 7:00 PM
Downtown · Epic Events Center
Speed Dating | Ages 26-32 | Brewheim | Anaheim, CA
Fri, Sep 25, 6:30 PM
Platinum Triangle · Brewheim
Speed Dating | Ages 26-32 | Brewheim | Anaheim, CA
Fri, Sep 25, 6:30 PM
Platinum Triangle · Brewheim
TEDxShorelineDrive: Mainstage Event
Sat, Sep 26, 5:30 PM
Old Lakewood City · McBride High School
TEDxShorelineDrive: Mainstage Event
Sat, Sep 26, 5:30 PM
Old Lakewood City · McBride High School
Off Campus 101 (Trivia Night)
Tomorrow at 5:00 PM
Platinum Triangle · Brewheim
Off Campus 101 (Trivia Night)
Tomorrow at 5:00 PM
Platinum Triangle · Brewheim
Dementia Daughter Book Signing
Tuesday at 6:00 PM
Downtown · The State
Dementia Daughter Book Signing
Tuesday at 6:00 PM
Downtown · The State
Forest Bridges: Community Campout Weekend
Fri, Sep 25, 6:00 PM
San Dimas Canyon · San Dimas Canyon Nature Center
Forest Bridges: Community Campout Weekend
Fri, Sep 25, 6:00 PM
San Dimas Canyon · San Dimas Canyon Nature Center
How We Love Seminar
Sat, Sep 12, 9:00 AM
Artisan Walk · Hope International University (HIU)
How We Love Seminar
Sat, Sep 12, 9:00 AM
Artisan Walk · Hope International University (HIU)
The Social Club by Maxximo
Today at 9:00 PM
Downtown · MAXXIMO New Age Banquet Hall
The Social Club by Maxximo
Today at 9:00 PM
Downtown · MAXXIMO New Age Banquet Hall
Speed Dating Ages 55+ | Claremont
Tuesday at 6:30 PM
North Upland · Dog Haus Biergarten
Speed Dating Ages 55+ | Claremont
Tuesday at 6:30 PM
North Upland · Dog Haus Biergarten
Sapphic Speed Dating | Women Loving Women | Ages 21+ | Queen's Lounge
Sun, Sep 13, 3:00 PM
Downtown · Queens Lounge
Sapphic Speed Dating | Women Loving Women | Ages 21+ | Queen's Lounge
Sun, Sep 13, 3:00 PM
Downtown · Queens Lounge
FIESTA DE LA CANDELARIA EN CALIFORNIA
Today at 7:00 PM
Downtown · 520 W Walnut St
FIESTA DE LA CANDELARIA EN CALIFORNIA
Today at 7:00 PM
Downtown · 520 W Walnut St
Noche de las Luminarias - Annual SGV Awards Ceremony and Celebration!
Thu, Sep 17, 6:00 PM
Mission District · Grapevine Arbor
Noche de las Luminarias - Annual SGV Awards Ceremony and Celebration!
Thu, Sep 17, 6:00 PM
Mission District · Grapevine Arbor
Gay Speed Dating | Ages 21+ | Queen's Lounge | Santa Ana
Tomorrow at 3:00 PM
Downtown · Queens Lounge
Gay Speed Dating | Ages 21+ | Queen's Lounge | Santa Ana
Tomorrow at 3:00 PM
Downtown · Queens Lounge
Coffee Speed Dating | Ages 35-45 | Morning Lavender | Tustin, CA
Fri, Sep 18, 6:00 PM
East Tustin · Morning Lavender Boutique & Cafe
Coffee Speed Dating | Ages 35-45 | Morning Lavender | Tustin, CA
Fri, Sep 18, 6:00 PM
East Tustin · Morning Lavender Boutique & Cafe
Los Angeles Quinceanera Expo presents La Quinceanera Collection
Sun, Sep 27, 12:00 PM
West Coyote Hills · Los Coyotes Country Club
Los Angeles Quinceanera Expo presents La Quinceanera Collection
Sun, Sep 27, 12:00 PM
West Coyote Hills · Los Coyotes Country Club
Old World Wiener Nationals "Inge Invitational" Race
Tomorrow at 10:00 AM
North Huntington Center · 7561 Center Ave #38
Old World Wiener Nationals "Inge Invitational" Race
Tomorrow at 10:00 AM
North Huntington Center · 7561 Center Ave #38
Pillow Talk
Sat, Sep 12, 6:00 PM
Downtown · 11910 Foothill Blvd
Pillow Talk
Sat, Sep 12, 6:00 PM
Downtown · 11910 Foothill Blvd

Trends in Diamond Bar

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Frequently asked questions about Diamond Bar

What are the best events to attend this month?

According to Eventbrite, the best events this month are:

Convención California 2026

Pomona Children's Festival 2026

Battle of the Bands Fundraiser

Plei Game Night - RANCHO CUCAMONGA

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:

FIESTA DE LA CANDELARIA EN CALIFORNIA

The Social Club by Maxximo

Old World Wiener Nationals "Inge Invitational" Race

Gay Speed Dating | Ages 21+ | Queen's Lounge | Santa Ana