Business Events and Things to do in Diamond Bar, CA

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

PI Roadshow | Live in San Gabriel Valley
Thu, May 21, 7:00 PM
Monrovia · Mimi's Cafe
PI Roadshow | Live in San Gabriel Valley
Thu, May 21, 7:00 PM
Monrovia · Mimi's Cafe
San Gabriel Valley Double Header In-Person Seminar
Wed, May 27, 10:00 AM
San Gabriel · 1039 E Valley Blvd #205b
San Gabriel Valley Double Header In-Person Seminar
Wed, May 27, 10:00 AM
San Gabriel · 1039 E Valley Blvd #205b
Strategic Team Leadership for Success Workshop in Fullerton, CA
Fri, May 29, 9:00 AM + 1 more
Brea · Regus - Brea - Brea Campus
Strategic Team Leadership for Success Workshop in Fullerton, CA
Fri, May 29, 9:00 AM + 1 more
Brea · Regus - Brea - Brea Campus
Train-The-Trainer 1 Day Training in Grand Rapids, MI
Mon, Jun 1, 9:00 AM
Grand Rapids · For venue details reach us at eventbrite@mountskills.com
Train-The-Trainer 1 Day Training in Grand Rapids, MI
Mon, Jun 1, 9:00 AM
Grand Rapids · For venue details reach us at eventbrite@mountskills.com
Project Management Techniques Training Course in Montclair, CA
Fri, May 22, 9:00 AM + 15 more
Montclair · Regus
Project Management Techniques Training Course in Montclair, CA
Fri, May 22, 9:00 AM + 15 more
Montclair · Regus
Speak with Impact: Public Speaking Mastery Workshop in Fullerton, CA
Wed, Jun 3, 9:00 AM
Brea · Regus - Brea - Brea Campus
Speak with Impact: Public Speaking Mastery Workshop in Fullerton, CA
Wed, Jun 3, 9:00 AM
Brea · Regus - Brea - Brea Campus
Sales end soon
ACEC Riv/SB - SBCTA Lunch with Josh Lee
Thu, May 21, 11:30 AM
Rancho Cucamonga · The Old Spaghetti Factory
Sales end soon
ACEC Riv/SB - SBCTA Lunch with Josh Lee
Thu, May 21, 11:30 AM
Rancho Cucamonga · The Old Spaghetti Factory
Summer Wine Soirée - Networking Event
Wed, Jun 24, 6:00 PM
Upland · Wine Me Up Social
Summer Wine Soirée - Networking Event
Wed, Jun 24, 6:00 PM
Upland · Wine Me Up Social
QAL & QAC Test Prep Course- Santa Fe Springs, CA
Tue, Jun 9, 8:00 AM
Santa Fe Springs · 15415 Marquardt Ave
QAL & QAC Test Prep Course- Santa Fe Springs, CA
Tue, Jun 9, 8:00 AM
Santa Fe Springs · 15415 Marquardt Ave
Just added
Orange County EAPA June 5th, 2026, Presentation (1CE) & Networking Event
Fri, Jun 5, 11:30 AM
Orange · 750 The City Dr S
Just added
Orange County EAPA June 5th, 2026, Presentation (1CE) & Networking Event
Fri, Jun 5, 11:30 AM
Orange · 750 The City Dr S
Sales end soon
Real Estate Networking Mixer
Tuesday at 5:00 PM
Cerritos · Wood Ranch Cerritos
Sales end soon
Real Estate Networking Mixer
Tuesday at 5:00 PM
Cerritos · Wood Ranch Cerritos
Sales end soon
Creative Thinking 1 Day Workshop |Fullerton, CA
Wednesday at 9:00 AM + 3 more
Fullerton · For venue details reach us at info@learnerring.com
Sales end soon
Creative Thinking 1 Day Workshop |Fullerton, CA
Wednesday at 9:00 AM + 3 more
Fullerton · For venue details reach us at info@learnerring.com
From Vision to Victory: Your Mid-Year Breakthrough
Thu, May 28, 11:00 AM
Covina · 364 E Rowland St
From Vision to Victory: Your Mid-Year Breakthrough
Thu, May 28, 11:00 AM
Covina · 364 E Rowland St
Sales end soon
PMP Certification In-Person Training in Fullerton, CA
Tue, May 26, 9:00 AM + 4 more
Brea · 135 S State College Blvd
Sales end soon
PMP Certification In-Person Training in Fullerton, CA
Tue, May 26, 9:00 AM + 4 more
Brea · 135 S State College Blvd
Boost Your Project Management Techniques Training in Santa Fe Springs, CA
Fri, May 22, 9:00 AM + 15 more
Santa Fe Springs · Regus
Boost Your Project Management Techniques Training in Santa Fe Springs, CA
Fri, May 22, 9:00 AM + 15 more
Santa Fe Springs · Regus
Sales end soon
PMP Certification Training Program Course in Pomona, CA
Tue, May 26, 9:00 AM + 4 more
Pomona · 21 Rancho Camino Dr
Sales end soon
PMP Certification Training Program Course in Pomona, CA
Tue, May 26, 9:00 AM + 4 more
Pomona · 21 Rancho Camino Dr
Essentials of Emotional Intelligence Mastery Workshop in Fullerton, CA
Sat, Jun 13, 9:00 AM
Brea · Regus - Brea - Brea Campus
Essentials of Emotional Intelligence Mastery Workshop in Fullerton, CA
Sat, Jun 13, 9:00 AM
Brea · Regus - Brea - Brea Campus

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:

San Gabriel Valley Double Header In-Person Seminar

Strategic Team Leadership for Success Workshop in Fullerton, CA

Train-The-Trainer 1 Day Training in Grand Rapids, MI

Project Management Techniques Training Course in Montclair, CA

Which events are currently trending in Diamond Bar?

The trending searches this month in Diamond Bar are:

living trust and estate planning seminar

mothers day

free kids event

5k run

Which events are coming up?

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

Real Estate Networking Mixer

Creative Thinking 1 Day Workshop |Fullerton, CA

ACEC Riv/SB - SBCTA Lunch with Josh Lee

PI Roadshow | Live in San Gabriel Valley

PI Roadshow | Live in San Gabriel Valley

PI Roadshow | Live in San Gabriel Valley

San Gabriel Valley Double Header In-Person Seminar

San Gabriel Valley Double Header In-Person Seminar

Strategic Team Leadership for Success Workshop in Fullerton, CA

Strategic Team Leadership for Success Workshop in Fullerton, CA

Train-The-Trainer 1 Day Training in Grand Rapids, MI

Train-The-Trainer 1 Day Training in Grand Rapids, MI

Project Management Techniques Training Course in Montclair, CA

Project Management Techniques Training Course in Montclair, CA

Speak with Impact: Public Speaking Mastery Workshop in Fullerton, CA

Speak with Impact: Public Speaking Mastery Workshop in Fullerton, CA

ACEC Riv/SB - SBCTA Lunch with Josh Lee

ACEC Riv/SB - SBCTA Lunch with Josh Lee

Summer Wine Soirée - Networking Event

Summer Wine Soirée - Networking Event

QAL & QAC Test Prep Course- Santa Fe Springs, CA

QAL & QAC Test Prep Course- Santa Fe Springs, CA

Orange County EAPA June 5th, 2026, Presentation (1CE) & Networking Event

Orange County EAPA June 5th, 2026, Presentation (1CE) & Networking Event

Real Estate Networking Mixer

Real Estate Networking Mixer

Creative Thinking 1 Day Workshop |Fullerton, CA

Creative Thinking 1 Day Workshop |Fullerton, CA

From Vision to Victory: Your Mid-Year Breakthrough

From Vision to Victory: Your Mid-Year Breakthrough

PMP Certification In-Person Training in Fullerton, CA

PMP Certification In-Person Training in Fullerton, CA

Boost Your Project Management Techniques Training in Santa Fe Springs, CA

Boost Your Project Management Techniques Training in Santa Fe Springs, CA

PMP Certification Training Program Course in Pomona, CA

PMP Certification Training Program Course in Pomona, CA

Essentials of Emotional Intelligence Mastery Workshop in Fullerton, CA

Essentials of Emotional Intelligence Mastery Workshop in Fullerton, CA

Things to do around Diamond Bar

Trends in Diamond Bar

1. Living trust and estate planning seminar

2. Mothers day

3. Free kids event

4. 5k run

5. Volunteering

6. Volunteer events

7. Job fairs

8. Afghan concert

9. Flower arrangement class

10. Free paper shredding

11. Trans party

12. Events happening today near me

What are the best events to attend?

Which events are currently trending in Diamond Bar?

Which events are coming up?