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Free Events and Things to do in Castro Valley, CA

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

Spaces Office Open House
Sat, Jun 13, 10:00 AM
Oakland · Spaces Tribune Building
Spaces Office Open House
Sat, Jun 13, 10:00 AM
Oakland · Spaces Tribune Building
Sales end soon
CHC Teen Panel on Youth Mental Health
Tuesday at 6:30 PM
Palo Alto · Children's Health Council
Sales end soon
CHC Teen Panel on Youth Mental Health
Tuesday at 6:30 PM
Palo Alto · Children's Health Council
Fremont | Exploremore with Girl Scouts!
Wed, May 27, 4:30 PM
Fremont · Steven Millard Elementary School
Fremont | Exploremore with Girl Scouts!
Wed, May 27, 4:30 PM
Fremont · Steven Millard Elementary School
Cinemama's Monthly Writers' Meetup
Wed, Jun 10, 5:00 PM + 6 more
Oakland · Kinfolx
Cinemama's Monthly Writers' Meetup
Wed, Jun 10, 5:00 PM + 6 more
Oakland · Kinfolx
Memorial Day Ceremony - Wreath Laying at the Fallen Heroes Memorial
Mon, May 25, 10:00 AM
San Mateo · 50 E 5th Ave
Memorial Day Ceremony - Wreath Laying at the Fallen Heroes Memorial
Mon, May 25, 10:00 AM
San Mateo · 50 E 5th Ave
Celebrating Verner Panton
Wed, May 27, 4:00 PM
Palo Alto · 355 University Ave
Celebrating Verner Panton
Wed, May 27, 4:00 PM
Palo Alto · 355 University Ave
Sales end soon
GenAI: Tech Deep Dive into Real-Time Video Generation (Vol 2.)
Thursday at 5:30 PM
San Francisco · European Startup Embassy
Sales end soon
GenAI: Tech Deep Dive into Real-Time Video Generation (Vol 2.)
Thursday at 5:30 PM
San Francisco · European Startup Embassy
Centennial Year Worship Celebration - May 24, 2026
Sun, May 24, 10:30 AM
Oakland · Memorial Tabernacle Church
Centennial Year Worship Celebration - May 24, 2026
Sun, May 24, 10:30 AM
Oakland · Memorial Tabernacle Church
Going fast
All The Way Live SF: Hip Hop Dance Festival | 20 Year Anniversary | FREE
Sat, May 30, 12:00 PM
San Francisco · Fulton Plaza
Going fast
All The Way Live SF: Hip Hop Dance Festival | 20 Year Anniversary | FREE
Sat, May 30, 12:00 PM
San Francisco · Fulton Plaza
Just added
World Cup Watch Party
Thu, Jun 11, 12:00 PM
Berkeley · Casa do Petisco
Just added
World Cup Watch Party
Thu, Jun 11, 12:00 PM
Berkeley · Casa do Petisco
Volunteer at Bloom Shaboom 2026
Sun, May 31, 12:30 PM
San Francisco · Family Connections Centers • Portola
Volunteer at Bloom Shaboom 2026
Sun, May 31, 12:30 PM
San Francisco · Family Connections Centers • Portola
San Mateo County Pride Celebration 2026
Sat, Jun 13, 11:00 AM
San Mateo · San Mateo Central Park
San Mateo County Pride Celebration 2026
Sat, Jun 13, 11:00 AM
San Mateo · San Mateo Central Park
Special 15th Anniversary Program of the Award-Winning Film WE WERE HERE
Wed, Jun 10, 5:00 PM
San Francisco · Main Library - San Francisco Public Library
Special 15th Anniversary Program of the Award-Winning Film WE WERE HERE
Wed, Jun 10, 5:00 PM
San Francisco · Main Library - San Francisco Public Library
Summer Puzzle Challenge
Sun, Jul 5, 2:00 PM + 4 more
Oakland · Oakland Public Library: 81st Avenue Branch
Summer Puzzle Challenge
Sun, Jul 5, 2:00 PM + 4 more
Oakland · Oakland Public Library: 81st Avenue Branch
Sales end soon
Sand Bar Presents Industry Wednesday’s
Wednesday at 8:00 PM + 32 more
Oakland · sandbar
Sales end soon
Sand Bar Presents Industry Wednesday’s
Wednesday at 8:00 PM + 32 more
Oakland · sandbar
HYBRID East Bay Permanent Real Estate Cooperative New Member Orientation
Tue, Jun 16, 6:00 PM + 4 more
Oakland · 1726 7th St
HYBRID East Bay Permanent Real Estate Cooperative New Member Orientation
Tue, Jun 16, 6:00 PM + 4 more
Oakland · 1726 7th St
SF Juneteenth Market St Parade & Block Party 2026. RSVP for FREE Today!
Sat, Jun 20, 11:00 AM
San Francisco · Market Street & 2nd Street
SF Juneteenth Market St Parade & Block Party 2026. RSVP for FREE Today!
Sat, Jun 20, 11:00 AM
San Francisco · Market Street & 2nd Street
Sales end soon
Well-Crafted: DIY Stickers at The Beer Hall
Wednesday at 5:30 PM
San Francisco · The Beer Hall - Restaurant, Wine & Beer Bar
Sales end soon
Well-Crafted: DIY Stickers at The Beer Hall
Wednesday at 5:30 PM
San Francisco · The Beer Hall - Restaurant, Wine & Beer Bar
Sales end soon
Comedy Open Mic at Discover
Thursday at 6:00 PM + 7 more
Oakland · Discover Community Cafe
Sales end soon
Comedy Open Mic at Discover
Thursday at 6:00 PM + 7 more
Oakland · Discover Community Cafe
Fifth Sunday Worship Experience
Sun, May 31, 10:30 AM + 1 more
Oakland · Memorial Tabernacle Church
Fifth Sunday Worship Experience
Sun, May 31, 10:30 AM + 1 more
Oakland · Memorial Tabernacle Church

Trends in Castro Valley

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Explore more trends

Frequently asked questions about Castro Valley

What are the best free events to attend?

According to Eventbrite, the best free events are:

Spaces Office Open House

Fremont | Exploremore with Girl Scouts!

Cinemama's Monthly Writers' Meetup

Memorial Day Ceremony - Wreath Laying at the Fallen Heroes Memorial

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:

CHC Teen Panel on Youth Mental Health

Well-Crafted: DIY Stickers at The Beer Hall

Sand Bar Presents Industry Wednesday’s

GenAI: Tech Deep Dive into Real-Time Video Generation (Vol 2.)