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Free Events and Things to do in Castro Valley, CA

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Almost full
San Francisco Hiring Event
Wed, Apr 15, 9:30 AM
South San Francisco · Marriott
Almost full
San Francisco Hiring Event
Wed, Apr 15, 9:30 AM
South San Francisco · Marriott
Almost full
Nine Lives Grand Opening Community Celebration & Cookout!
Sat, Apr 4, 11:00 AM
Redwood City · Nine Lives
Almost full
Nine Lives Grand Opening Community Celebration & Cookout!
Sat, Apr 4, 11:00 AM
Redwood City · Nine Lives
Tech Career Fair: Exclusive Tech Hiring Event
Fri, Apr 24, 9:00 AM
San Francisco · Moved to Virtual Event
Tech Career Fair: Exclusive Tech Hiring Event
Fri, Apr 24, 9:00 AM
San Francisco · Moved to Virtual Event
Sales end soon
EBMUD Wastewater Tour: Saturday 4/4/26, 10am (must be 10yo+)
Sat, Apr 4, 10:00 AM
Oakland · EBMUD Main Wastewater Treatment Plant
Sales end soon
EBMUD Wastewater Tour: Saturday 4/4/26, 10am (must be 10yo+)
Sat, Apr 4, 10:00 AM
Oakland · EBMUD Main Wastewater Treatment Plant
Faction Brewing Spring Market
Sat, Apr 25, 1:00 PM
Alameda · Faction Brewing
Faction Brewing Spring Market
Sat, Apr 25, 1:00 PM
Alameda · Faction Brewing
Almost full
EcoCenter Earth Day Celebration
Sat, Apr 18, 10:00 AM
Palo Alto · EcoCenter
Almost full
EcoCenter Earth Day Celebration
Sat, Apr 18, 10:00 AM
Palo Alto · EcoCenter
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
Resilient Recovery Circles
Fri, Apr 17, 7:00 PM
Oakland · Nest Yoga Studio I Oakland
Resilient Recovery Circles
Fri, Apr 17, 7:00 PM
Oakland · Nest Yoga Studio I Oakland
Birding North Briones
Tue, Apr 7, 8:30 AM
Martinez · Briones Road Staging Area, Briones Regional Park
Birding North Briones
Tue, Apr 7, 8:30 AM
Martinez · Briones Road Staging Area, Briones Regional Park
West Oakland Tenants Rights Clinic
Tue, Apr 21, 6:00 PM + 78 more
Oakland · Oakland Public Library: West Oakland Branch
West Oakland Tenants Rights Clinic
Tue, Apr 21, 6:00 PM + 78 more
Oakland · Oakland Public Library: West Oakland Branch
✨ High Frequency Movement with DJ CHE ✨
Sat, Apr 4, 10:00 PM + 62 more
Oakland · 1727 Telegraph Ave
✨ High Frequency Movement with DJ CHE ✨
Sat, Apr 4, 10:00 PM + 62 more
Oakland · 1727 Telegraph Ave
Home Electrification Fair 2026
Sat, Apr 25, 2:00 AM
Berkeley · Brower Center
Home Electrification Fair 2026
Sat, Apr 25, 2:00 AM
Berkeley · Brower Center
Tasting at Ten - Bay Area
Friday at 10:00 AM + 91 more
Emeryville · Counter Culture Coffee
Tasting at Ten - Bay Area
Friday at 10:00 AM + 91 more
Emeryville · Counter Culture Coffee
Sales end soon
Taco Tuesday
Tuesday at 7:00 PM + 20 more
Oakland · Temescal Brewing
Sales end soon
Taco Tuesday
Tuesday at 7:00 PM + 20 more
Oakland · Temescal Brewing
Almost full
Dave Eggers and Shawn Harris: ART + WORDS
Wed, Apr 22, 6:00 PM
San Francisco · California College of the Arts
Almost full
Dave Eggers and Shawn Harris: ART + WORDS
Wed, Apr 22, 6:00 PM
San Francisco · California College of the Arts
Transfigured Night - Piano Recital by Jeff Li
Sun, May 24, 7:30 PM
Berkeley · Berkeley Piano Club
Transfigured Night - Piano Recital by Jeff Li
Sun, May 24, 7:30 PM
Berkeley · Berkeley Piano Club
Sales end soon
Margarita Monday
Tomorrow at 10:00 AM + 15 more
Lafayette · Round Up Saloon
Sales end soon
Margarita Monday
Tomorrow at 10:00 AM + 15 more
Lafayette · Round Up Saloon
Newark Career Fair
Tue, Oct 13, 9:30 AM
Newark · Marriott Hotel
Newark Career Fair
Tue, Oct 13, 9:30 AM
Newark · Marriott Hotel
Almost full
Sensory Friendly Family Concert
Sat, Apr 18, 2:00 PM
Palo Alto · Palo Alto Art Center
Almost full
Sensory Friendly Family Concert
Sat, Apr 18, 2:00 PM
Palo Alto · Palo Alto Art Center
Sales end soon
Raw Sol Collective Presents: Verbal Apothecary at Akoma Oakland!!
Thursday at 6:00 PM + 3 more
Oakland · 1727 Telegraph Ave
Sales end soon
Raw Sol Collective Presents: Verbal Apothecary at Akoma Oakland!!
Thursday at 6:00 PM + 3 more
Oakland · 1727 Telegraph Ave

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:

San Francisco Hiring Event

Nine Lives Grand Opening Community Celebration & Cookout!

Tech Career Fair: Exclusive Tech Hiring Event

EBMUD Wastewater Tour: Saturday 4/4/26, 10am (must be 10yo+)

Which events are currently trending in Castro Valley?

The trending searches this month in Castro Valley are:

k pop demon hunters

Which free events are coming up?

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

Margarita Monday

Raw Sol Collective Presents: Verbal Apothecary at Akoma Oakland!!

Tasting at Ten - Bay Area