Community Events and Things to do in Diamond Bar, CA

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

Sales end soon
Meet My Single Friend - Margaritaville Mixer
Sunday at 4:00 PM
Garden Grove · 12872 Valley View St
Sales end soon
Meet My Single Friend - Margaritaville Mixer
Sunday at 4:00 PM
Garden Grove · 12872 Valley View St
2026 Alpha Esquires Beautillion
Sat, Jun 27, 6:00 PM
Los Angeles · California State University, Los Angeles
2026 Alpha Esquires Beautillion
Sat, Jun 27, 6:00 PM
Los Angeles · California State University, Los Angeles
Old World Wiener Nationals "Summer Showdown" Race
Sun, Jun 28, 10:00 AM
Huntington Beach · 7561 Center Ave #38
Old World Wiener Nationals "Summer Showdown" Race
Sun, Jun 28, 10:00 AM
Huntington Beach · 7561 Center Ave #38
Vision & Vibes Creators' Summit
Sat, Sep 19, 11:00 AM
Rosemead · 888 Montebello Blvd
Vision & Vibes Creators' Summit
Sat, Sep 19, 11:00 AM
Rosemead · 888 Montebello Blvd
Speed Dating for Single Parents - Riverside, CA
Wed, Jun 24, 7:00 PM
Riverside · BRÜE CRÜE
Speed Dating for Single Parents - Riverside, CA
Wed, Jun 24, 7:00 PM
Riverside · BRÜE CRÜE
Denim & White Day Party
Sun, Jun 14, 3:00 PM
Pasadena · Ixtapa Cantina & Lounge
Denim & White Day Party
Sun, Jun 14, 3:00 PM
Pasadena · Ixtapa Cantina & Lounge
Bal Khabra celebrates EMBRACE at Barnes & Noble - Huntington Beach
Sat, Aug 8, 3:00 PM
Huntington Beach · Barnes & Noble - Huntington Beach
Bal Khabra celebrates EMBRACE at Barnes & Noble - Huntington Beach
Sat, Aug 8, 3:00 PM
Huntington Beach · Barnes & Noble - Huntington Beach
AIA PARTY: LOS ANGLES, CA
Sun, Jul 19, 7:00 PM
Commerce · Dirt Dog Compound - Commerce
AIA PARTY: LOS ANGLES, CA
Sun, Jul 19, 7:00 PM
Commerce · Dirt Dog Compound - Commerce
Rose Bowl Flea Market Sunday, June 14, 2026
Sun, Jun 14, 5:00 AM
Pasadena · Rose Bowl Stadium
Rose Bowl Flea Market Sunday, June 14, 2026
Sun, Jun 14, 5:00 AM
Pasadena · Rose Bowl Stadium
Crown City with Naomi Hirahara
Thu, Jun 18, 7:00 PM
Pasadena · Pasadena Museum of History
Crown City with Naomi Hirahara
Thu, Jun 18, 7:00 PM
Pasadena · Pasadena Museum of History
5 Points Gathering 2026
Sat, Jul 25, 12:00 PM
Mount Baldy · Dahlem Ranch
5 Points Gathering 2026
Sat, Jul 25, 12:00 PM
Mount Baldy · Dahlem Ranch
May 2026 Pasta Platter
Thursday at 6:00 PM
Los Angeles · Garibaldina MB Society
May 2026 Pasta Platter
Thursday at 6:00 PM
Los Angeles · Garibaldina MB Society
Arts and Crafts Vendor Fair @ Old World Wiener Dog Race Sunday June 28th
Sun, Jun 28, 10:00 AM
Huntington Beach · 7561 Center Ave
Arts and Crafts Vendor Fair @ Old World Wiener Dog Race Sunday June 28th
Sun, Jun 28, 10:00 AM
Huntington Beach · 7561 Center Ave
Old World Wiener Nationals "Old World Derby Day" Race
Sun, Aug 9, 10:00 AM
Huntington Beach · 7561 Center Ave #38
Old World Wiener Nationals "Old World Derby Day" Race
Sun, Aug 9, 10:00 AM
Huntington Beach · 7561 Center Ave #38
Sales end soon
1906 Fényes Mansion Tour
Thursday at 12:30 PM + 14 more
Pasadena · Pasadena Museum of History
Sales end soon
1906 Fényes Mansion Tour
Thursday at 12:30 PM + 14 more
Pasadena · Pasadena Museum of History
Exploring Pasadena on Foot | Part 1: Route 66 & Old Pasadena's Car Scene
Sat, Jun 6, 10:00 AM
Pasadena · 300 W Colorado Blvd
Exploring Pasadena on Foot | Part 1: Route 66 & Old Pasadena's Car Scene
Sat, Jun 6, 10:00 AM
Pasadena · 300 W Colorado Blvd
Exploring Pasadena on Foot | Part 2: Route 66 & Playhouse Village
Sat, Jul 11, 10:00 AM
Pasadena · 585 E Colorado Blvd
Exploring Pasadena on Foot | Part 2: Route 66 & Playhouse Village
Sat, Jul 11, 10:00 AM
Pasadena · 585 E Colorado Blvd
Restoration Day at Ascot Hills Park
Sat, Jun 13, 8:30 AM
Los Angeles · Ascot Hills Park
Restoration Day at Ascot Hills Park
Sat, Jun 13, 8:30 AM
Los Angeles · Ascot Hills Park
THANH "XUAN"
Sat, Jun 13, 8:00 PM
Bell Gardens · Parkwest Bicycle Casino
THANH "XUAN"
Sat, Jun 13, 8:00 PM
Bell Gardens · Parkwest Bicycle Casino
Garden Gossip Bingo
Sat, Jun 20, 1:00 PM
Long Beach · Tracy's Bar & Grill
Garden Gossip Bingo
Sat, Jun 20, 1:00 PM
Long Beach · Tracy's Bar & Grill

Trends in Diamond Bar

Explore more trends

Frequently asked questions about Diamond Bar

What are the best events to attend?

According to Eventbrite, the best events are:

2026 Alpha Esquires Beautillion

Old World Wiener Nationals "Summer Showdown" Race

Vision & Vibes Creators' Summit

Speed Dating for Single Parents - Riverside, CA

Which events are currently trending in Diamond Bar?

The trending searches this month in Diamond Bar are:

living trust and estate planning seminar

5k run

free kids event

volunteering

Which events are coming up?

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

1906 Fényes Mansion Tour

May 2026 Pasta Platter

Meet My Single Friend - Margaritaville Mixer

Exploring Pasadena on Foot | Part 1: Route 66 & Old Pasadena's Car Scene

Meet My Single Friend - Margaritaville Mixer

Meet My Single Friend - Margaritaville Mixer

2026 Alpha Esquires Beautillion

2026 Alpha Esquires Beautillion

Old World Wiener Nationals "Summer Showdown" Race

Old World Wiener Nationals "Summer Showdown" Race

Vision & Vibes Creators' Summit

Vision & Vibes Creators' Summit

Speed Dating for Single Parents - Riverside, CA

Speed Dating for Single Parents - Riverside, CA

Denim & White Day Party

Denim & White Day Party

Bal Khabra celebrates EMBRACE at Barnes & Noble - Huntington Beach

Bal Khabra celebrates EMBRACE at Barnes & Noble - Huntington Beach

AIA PARTY: LOS ANGLES, CA

AIA PARTY: LOS ANGLES, CA

Rose Bowl Flea Market Sunday, June 14, 2026

Rose Bowl Flea Market Sunday, June 14, 2026

Crown City with Naomi Hirahara

Crown City with Naomi Hirahara

5 Points Gathering 2026

5 Points Gathering 2026

May 2026 Pasta Platter

May 2026 Pasta Platter

Arts and Crafts Vendor Fair @ Old World Wiener Dog Race Sunday June 28th

Arts and Crafts Vendor Fair @ Old World Wiener Dog Race Sunday June 28th

Old World Wiener Nationals "Old World Derby Day" Race

Old World Wiener Nationals "Old World Derby Day" Race

1906 Fényes Mansion Tour

1906 Fényes Mansion Tour

Exploring Pasadena on Foot | Part 1: Route 66 & Old Pasadena's Car Scene

Exploring Pasadena on Foot | Part 1: Route 66 & Old Pasadena's Car Scene

Exploring Pasadena on Foot | Part 2: Route 66 & Playhouse Village

Exploring Pasadena on Foot | Part 2: Route 66 & Playhouse Village

Restoration Day at Ascot Hills Park

Restoration Day at Ascot Hills Park

THANH "XUAN"

THANH "XUAN"

Garden Gossip Bingo

Garden Gossip Bingo

Things to do around Diamond Bar

Trends in Diamond Bar

1. Living trust and estate planning seminar

2. 5k run

3. Free kids event

4. Volunteering

5. Mothers day

6. Cumbia dancing in riverside

7. Afghan concert

8. Warehouse sale

9. Events happening today near me

10. Cooking

11. Meetup singles

12. Volunteer events

What are the best events to attend?

Which events are currently trending in Diamond Bar?

Which events are coming up?