Free business Events and Things to do in Costa Mesa, CA

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

Almost full
Orange County Job Fair - Orange County Career Fair
Thu, Nov 12, 11:30 AM
Santa Ana · Courtyard by Marriott Santa Ana Orange County
Almost full
Orange County Job Fair - Orange County Career Fair
Thu, Nov 12, 11:30 AM
Santa Ana · Courtyard by Marriott Santa Ana Orange County
Underground Economy Seminar
Fri, Nov 6, 8:30 AM
Costa Mesa · Hilton Orange County/Costa Mesa
Underground Economy Seminar
Fri, Nov 6, 8:30 AM
Costa Mesa · Hilton Orange County/Costa Mesa
Going fast
Tiles After Dark
Thu, Nov 5, 4:00 PM
Santa Ana · 1123 Warner Ave
Going fast
Tiles After Dark
Thu, Nov 5, 4:00 PM
Santa Ana · 1123 Warner Ave
Sales end soon
Apexchange: The Networking Mixer, Huntington Beach
Thursday at 6:00 PM
Huntington Beach · The Bungalow Huntington Beach
Sales end soon
Apexchange: The Networking Mixer, Huntington Beach
Thursday at 6:00 PM
Huntington Beach · The Bungalow Huntington Beach
Almost full
Long Beach Hiring Event
Mon, Nov 9, 9:30 AM
Long Beach · Hyatt
Almost full
Long Beach Hiring Event
Mon, Nov 9, 9:30 AM
Long Beach · Hyatt
Going fast
2026 Vendor Information Day
Thu, Nov 5, 1:00 PM + 2 more
Santa Ana · County Administration North
Going fast
2026 Vendor Information Day
Thu, Nov 5, 1:00 PM + 2 more
Santa Ana · County Administration North
Almost full
Consejos Para Promocionar Su Negocio De Cuidado Infantil En Casa
Thu, Nov 5, 6:30 PM
Orange · Children's Home Society of California
Almost full
Consejos Para Promocionar Su Negocio De Cuidado Infantil En Casa
Thu, Nov 5, 6:30 PM
Orange · Children's Home Society of California
Just added
RIAOC & CCIM Holiday Lunch
Tue, Dec 8, 11:30 AM
Costa Mesa · Hilton Orange County/Costa Mesa
Just added
RIAOC & CCIM Holiday Lunch
Tue, Dec 8, 11:30 AM
Costa Mesa · Hilton Orange County/Costa Mesa
Almost full
Making Sure Your Business Is Found In ChatGPT
Wednesday at 11:30 AM
Santa Ana · Rancho Santiago Community College District
Almost full
Making Sure Your Business Is Found In ChatGPT
Wednesday at 11:30 AM
Santa Ana · Rancho Santiago Community College District
OC 2027 Housing Forecast with Steven Thomas
Thu, Nov 5, 3:00 PM
Irvine · 530 Technology Dr
OC 2027 Housing Forecast with Steven Thomas
Thu, Nov 5, 3:00 PM
Irvine · 530 Technology Dr
Sales end soon
Rogue Networking Mixer
Wednesday at 12:00 PM
Tustin · Mess Hall at FLIGHT
Sales end soon
Rogue Networking Mixer
Wednesday at 12:00 PM
Tustin · Mess Hall at FLIGHT
Wine and Design Night
Thu, Nov 19, 5:00 PM
Orange · 2176 N Pacific St
Wine and Design Night
Thu, Nov 19, 5:00 PM
Orange · 2176 N Pacific St
Cross-Market Business Networking [ONLINE] | All Professionals Welcome
Friday at 11:30 AM + 19 more
Irvine · Exceptional Entrepreneurs (Online Event via Zoom link)
Cross-Market Business Networking [ONLINE] | All Professionals Welcome
Friday at 11:30 AM + 19 more
Irvine · Exceptional Entrepreneurs (Online Event via Zoom link)
Almost full
Long Beach Hiring Event
Mon, Jan 11, 9:30 AM
Long Beach · Hilton
Almost full
Long Beach Hiring Event
Mon, Jan 11, 9:30 AM
Long Beach · Hilton
Job Fair Long Beach - Career Fair Long Beach
Wed, May 19, 11:30 AM
Long Beach · Courtyard by Marriott Long Beach Airport
Job Fair Long Beach - Career Fair Long Beach
Wed, May 19, 11:30 AM
Long Beach · Courtyard by Marriott Long Beach Airport
USC MLAA OC: Golden Hour with Trojans - 11/27/26
Fri, Nov 27, 5:30 PM
Huntington Beach · The Bungalow Huntington Beach
USC MLAA OC: Golden Hour with Trojans - 11/27/26
Fri, Nov 27, 5:30 PM
Huntington Beach · The Bungalow Huntington Beach
Long Beach Job Fair - Career Fair Long Beach
Wed, Sep 29, 11:30 AM
Long Beach · Long Beach Marriott
Long Beach Job Fair - Career Fair Long Beach
Wed, Sep 29, 11:30 AM
Long Beach · Long Beach Marriott
Going fast
Love working with children? We'd love to meet you! We're Hiring! Join Us!
Tuesday at 6:00 PM
Irvine · 16520 Bake Pkwy suite 125
Going fast
Love working with children? We'd love to meet you! We're Hiring! Join Us!
Tuesday at 6:00 PM
Irvine · 16520 Bake Pkwy suite 125
Tech Talk AI Workshop
Tue, Nov 3, 10:30 AM
Irvine · 530 Technology Dr
Tech Talk AI Workshop
Tue, Nov 3, 10:30 AM
Irvine · 530 Technology Dr
Prosperitas Financial - 2027 Outlook and Ideas at Aston Martin
Thu, Nov 12, 6:00 PM
Newport Beach · Aston Martin Newport Beach
Prosperitas Financial - 2027 Outlook and Ideas at Aston Martin
Thu, Nov 12, 6:00 PM
Newport Beach · Aston Martin Newport Beach

Trends in Costa Mesa

Explore more trends

Frequently asked questions about Costa Mesa

What are the best free events to attend?

According to Eventbrite, the best free events are:

Orange County Job Fair - Orange County Career Fair

Underground Economy Seminar

Tiles After Dark

Long Beach Hiring Event

Which events are currently trending in Costa Mesa?

The trending searches this month in Costa Mesa are:

halloween party

sound bath

halloween parties orange county

stand up comedy

Which free events are coming up?

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

Love working with children? We'd love to meet you! We're Hiring! Join Us!

Making Sure Your Business Is Found In ChatGPT

Rogue Networking Mixer

Apexchange: The Networking Mixer, Huntington Beach

Orange County Job Fair - Orange County Career Fair

Orange County Job Fair - Orange County Career Fair

Underground Economy Seminar

Underground Economy Seminar

Tiles After Dark

Tiles After Dark

Apexchange: The Networking Mixer, Huntington Beach

Apexchange: The Networking Mixer, Huntington Beach

Long Beach Hiring Event

Long Beach Hiring Event

2026 Vendor Information Day

2026 Vendor Information Day

Consejos Para Promocionar Su Negocio De Cuidado Infantil En Casa

Consejos Para Promocionar Su Negocio De Cuidado Infantil En Casa

RIAOC & CCIM Holiday Lunch

RIAOC & CCIM Holiday Lunch

Making Sure Your Business Is Found In ChatGPT

Making Sure Your Business Is Found In ChatGPT

OC 2027 Housing Forecast with Steven Thomas

OC 2027 Housing Forecast with Steven Thomas

Rogue Networking Mixer

Rogue Networking Mixer

Wine and Design Night

Wine and Design Night

Cross-Market Business Networking [ONLINE] | All Professionals Welcome

Cross-Market Business Networking [ONLINE] | All Professionals Welcome

Long Beach Hiring Event

Long Beach Hiring Event

Job Fair Long Beach - Career Fair Long Beach

Job Fair Long Beach - Career Fair Long Beach

USC MLAA OC: Golden Hour with Trojans - 11/27/26

USC MLAA OC: Golden Hour with Trojans - 11/27/26

Long Beach Job Fair - Career Fair Long Beach

Long Beach Job Fair - Career Fair Long Beach

Love working with children? We'd love to meet you! We're Hiring! Join Us!

Love working with children? We'd love to meet you! We're Hiring! Join Us!

Tech Talk AI Workshop

Tech Talk AI Workshop

Prosperitas Financial - 2027 Outlook and Ideas at Aston Martin

Prosperitas Financial - 2027 Outlook and Ideas at Aston Martin

Things to do around Costa Mesa

Trends in Costa Mesa

1. Halloween party

2. Sound bath

3. Halloween parties orange county

4. Stand up comedy

5. Lucha libre

6. Free kids

7. Latte art

8. Jazz

9. Warehouse sale

10. Volunteer

11. Classic car show

12. 18 and over clubs

What are the best free events to attend?

Which events are currently trending in Costa Mesa?

Which free events are coming up?