Business Events and Things to do in Diamond Bar, CA

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

Just added
Meetup: Beginner’s Guide to Selling on Etsy and Shopify - part 2
Saturday at 6:30 PM
Chino Hills · 15941 Pomona Rincon Rd
Just added
Meetup: Beginner’s Guide to Selling on Etsy and Shopify - part 2
Saturday at 6:30 PM
Chino Hills · 15941 Pomona Rincon Rd
Going fast
Building a Portfolio of Stocks for 2031
Sat, Jun 13, 2:30 PM
Orange · Orange Public Library
Going fast
Building a Portfolio of Stocks for 2031
Sat, Jun 13, 2:30 PM
Orange · Orange Public Library
Byrna LE T3 Certification Course - Whittier CA
Wed, May 27, 8:00 AM
Whittier · Whittier College
Byrna LE T3 Certification Course - Whittier CA
Wed, May 27, 8:00 AM
Whittier · Whittier College
General Formulations Windows, Walls & Floors Workshop (Beginner Level)
Tuesday at 8:30 AM
Santa Fe Springs · Kelly Spicers
General Formulations Windows, Walls & Floors Workshop (Beginner Level)
Tuesday at 8:30 AM
Santa Fe Springs · Kelly Spicers
** IN PERSON ** General Membership Meeting, June 17, 2026
Wed, Jun 17, 6:00 PM
Fullerton · The Old Spaghetti Factory
** IN PERSON ** General Membership Meeting, June 17, 2026
Wed, Jun 17, 6:00 PM
Fullerton · The Old Spaghetti Factory
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
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
Adaptability at Work 1 Day Workshop |Fullerton, CA
Tomorrow at 9:00 AM + 3 more
Fullerton · For venue details reach us at info@learnerring.com
Adaptability at Work 1 Day Workshop |Fullerton, CA
Tomorrow 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
Wed, May 20, 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
Wed, May 20, 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

Trends in Diamond Bar

Explore more trends

Frequently asked questions about Diamond Bar

What are the best class events to attend?

According to Eventbrite, the best class events are:

Building a Portfolio of Stocks for 2031

Byrna LE T3 Certification Course - Whittier CA

** IN PERSON ** General Membership Meeting, June 17, 2026

Strategic Team Leadership for Success Workshop in Fullerton, 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 class events are coming up?

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

Adaptability at Work 1 Day Workshop |Fullerton, CA

Meetup: Beginner’s Guide to Selling on Etsy and Shopify - part 2

General Formulations Windows, Walls & Floors Workshop (Beginner Level)

Creative Thinking 1 Day Workshop |Fullerton, CA

Meetup: Beginner’s Guide to Selling on Etsy and Shopify - part 2

Meetup: Beginner’s Guide to Selling on Etsy and Shopify - part 2

Building a Portfolio of Stocks for 2031

Building a Portfolio of Stocks for 2031

Byrna LE T3 Certification Course - Whittier CA

Byrna LE T3 Certification Course - Whittier CA

General Formulations Windows, Walls & Floors Workshop (Beginner Level)

General Formulations Windows, Walls & Floors Workshop (Beginner Level)

** IN PERSON ** General Membership Meeting, June 17, 2026

** IN PERSON ** General Membership Meeting, June 17, 2026

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

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

Adaptability at Work 1 Day Workshop |Fullerton, CA

Adaptability at Work 1 Day Workshop |Fullerton, CA

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

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 class events to attend?

Which events are currently trending in Diamond Bar?

Which class events are coming up?

IN PERSON General Membership Meeting, June 17, 2026

IN PERSON General Membership Meeting, June 17, 2026