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Free Events and Things to do in Castro Valley, CA

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Makers Market™ Local Artist Street Fair @ Broadway Plaza
Sat, Jun 27, 11:00 AM
Walnut Creek · Broadway Plaza
Makers Market™ Local Artist Street Fair @ Broadway Plaza
Sat, Jun 27, 11:00 AM
Walnut Creek · Broadway Plaza
Rock The Plaza Concert Series
Friday at 6:00 PM
Lafayette · 3530 Plaza Way
Rock The Plaza Concert Series
Friday at 6:00 PM
Lafayette · 3530 Plaza Way
Building AI Ecosystem: Talks + AI Agent Workshops
Tue, Jun 30, 4:00 PM
Menlo Park · 135 Constitution Dr
Building AI Ecosystem: Talks + AI Agent Workshops
Tue, Jun 30, 4:00 PM
Menlo Park · 135 Constitution Dr
Ward Family Home Evening - Gospel Study
Mon, Jun 8, 7:00 PM + 3 more
Fremont · The Church of Jesus Christ of Latter-day Saints
Ward Family Home Evening - Gospel Study
Mon, Jun 8, 7:00 PM + 3 more
Fremont · The Church of Jesus Christ of Latter-day Saints
KISS & TELL LITERARY SALON: FREDERICK SMITH & EMILY K. HARDY
Tue, Jun 16, 6:30 PM
Alameda · Books Inc.
KISS & TELL LITERARY SALON: FREDERICK SMITH & EMILY K. HARDY
Tue, Jun 16, 6:30 PM
Alameda · Books Inc.
Stop the Hate Symposium
Sat, Jun 13, 10:00 AM
Oakland · Oakland Asian Cultural Center
Stop the Hate Symposium
Sat, Jun 13, 10:00 AM
Oakland · Oakland Asian Cultural Center
Going fast
Soccer Viewing
Thu, Jun 11, 12:00 PM
San Francisco · Thrive City
Going fast
Soccer Viewing
Thu, Jun 11, 12:00 PM
San Francisco · Thrive City
Going fast
Taco ‘Bout R&B : The Bay Area’s First Ever Tacos & Tequilas Tuesday Party
Tue, Jun 16, 7:30 PM
San Francisco · ZOË
Going fast
Taco ‘Bout R&B : The Bay Area’s First Ever Tacos & Tequilas Tuesday Party
Tue, Jun 16, 7:30 PM
San Francisco · ZOË
HiFiCon Audio Meet Aug 1, 2026
Sat, Aug 1, 10:00 AM
Newark · Newark Community Center Building
HiFiCon Audio Meet Aug 1, 2026
Sat, Aug 1, 10:00 AM
Newark · Newark Community Center Building
LIVE Music Friday: Bay Area All Stars
Fri, Jun 12, 7:00 PM
Oakland · Original Pattern Brewing
LIVE Music Friday: Bay Area All Stars
Fri, Jun 12, 7:00 PM
Oakland · Original Pattern Brewing
Sales end soon
Global Running Day Run at Sports Basement Walnut Creek
Wednesday at 6:30 PM
Walnut Creek · Sports Basement Walnut Creek
Sales end soon
Global Running Day Run at Sports Basement Walnut Creek
Wednesday at 6:30 PM
Walnut Creek · Sports Basement Walnut Creek
2026 Fall Job Fair - Job Seeker Registration
Thu, Sep 24, 3:00 PM
Pleasanton · Tri-Valley Career Center
2026 Fall Job Fair - Job Seeker Registration
Thu, Sep 24, 3:00 PM
Pleasanton · Tri-Valley Career Center
Free Home Composting Workshop
Sat, Jun 27, 10:00 AM
Foster City · Foster City Community Garden
Free Home Composting Workshop
Sat, Jun 27, 10:00 AM
Foster City · Foster City Community Garden
Singles Mingle @ Headlands Brewing in Walnut Creek
Friday at 7:00 PM
Walnut Creek · Headlands Brewing - Walnut Creek
Singles Mingle @ Headlands Brewing in Walnut Creek
Friday at 7:00 PM
Walnut Creek · Headlands Brewing - Walnut Creek
Discuss New Yorker Short Stories Meeting 12
Sat, Jun 6, 11:00 AM
Alameda · Alameda Free Library
Discuss New Yorker Short Stories Meeting 12
Sat, Jun 6, 11:00 AM
Alameda · Alameda Free Library
BAY AREA In Person Community Employment Day Job / Career Fair 09/30/2026
Wed, Sep 30, 11:00 AM
Oakland · Alameda County Training & Education Center
BAY AREA In Person Community Employment Day Job / Career Fair 09/30/2026
Wed, Sep 30, 11:00 AM
Oakland · Alameda County Training & Education Center
Keep Hayward Clean & Green 8/22/26 Neighborhood Cleanup
Sat, Aug 22, 8:00 AM
Hayward · Palma Ceia Park
Keep Hayward Clean & Green 8/22/26 Neighborhood Cleanup
Sat, Aug 22, 8:00 AM
Hayward · Palma Ceia Park
Almost full
Bloom Shaboom 2026
Today at 1:00 PM
San Francisco · 2675 San Bruno Ave
Almost full
Bloom Shaboom 2026
Today at 1:00 PM
San Francisco · 2675 San Bruno Ave
Spaces Office Open House
Tuesday at 10:00 AM
oakland · oakland tribune
Spaces Office Open House
Tuesday at 10:00 AM
oakland · oakland tribune
July Greet Happy Hour
Wed, Jul 1, 5:00 PM
Moraga · Canyon Club Brewery
July Greet Happy Hour
Wed, Jul 1, 5:00 PM
Moraga · Canyon Club Brewery

Trends in Castro Valley

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Frequently asked questions about Castro Valley

What are the best free events to attend?

According to Eventbrite, the best free events are:

Makers Market™ Local Artist Street Fair @ Broadway Plaza

Building AI Ecosystem: Talks + AI Agent Workshops

Ward Family Home Evening - Gospel Study

KISS & TELL LITERARY SALON: FREDERICK SMITH & EMILY K. HARDY

Which events are currently trending in Castro Valley?

The trending searches this month in Castro Valley are:

k pop demon hunters

free events in the bay area

Which free events are coming up?

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

Bloom Shaboom 2026

Spaces Office Open House

Global Running Day Run at Sports Basement Walnut Creek

Rock The Plaza Concert Series