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Free Events and Things to do in Castro Valley, CA

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ERCIVAN MARTIN: BLOOD BORDERS at Books Inc.
Tomorrow at 5:30 PM
Alameda · Books Inc.
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ERCIVAN MARTIN: BLOOD BORDERS at Books Inc.
Tomorrow at 5:30 PM
Alameda · Books Inc.
Sales end soon
Eastown Church Community Egg Hunt 2026
Saturday at 10:00 AM
San Ramon · Central Park
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Eastown Church Community Egg Hunt 2026
Saturday at 10:00 AM
San Ramon · Central Park
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Josie Iselin & Ellen Litwiller THE MYSTERIOUS WORLD OF THE BULL KELP FOREST
Today at 7:00 PM
Berkeley · Mrs Dalloway's
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Josie Iselin & Ellen Litwiller THE MYSTERIOUS WORLD OF THE BULL KELP FOREST
Today at 7:00 PM
Berkeley · Mrs Dalloway's
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East Bay Activists Community Dinner - everyone is invited!
Monday at 6:30 PM
Berkeley · 1924 Cedar St
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East Bay Activists Community Dinner - everyone is invited!
Monday at 6:30 PM
Berkeley · 1924 Cedar St
MainStage 4: The Young Masters
Sun, May 3, 3:00 PM
Berkeley · First Congregational Church of Berkeley
MainStage 4: The Young Masters
Sun, May 3, 3:00 PM
Berkeley · First Congregational Church of Berkeley
Boss Guitars Master Class Series: Jackeline Rago
Sun, Apr 12, 2:00 PM
Oakland · The Sound Room
Boss Guitars Master Class Series: Jackeline Rago
Sun, Apr 12, 2:00 PM
Oakland · The Sound Room
Going fast
AI Happy Hour with Rocky Phoenix AI
Wed, Apr 1, 5:00 PM
Oakland · Kinfolx
Going fast
AI Happy Hour with Rocky Phoenix AI
Wed, Apr 1, 5:00 PM
Oakland · Kinfolx
Introduction to Inner Engineering
Thu, Apr 9, 6:00 PM
San Ramon · Amador Rancho Community Center
Introduction to Inner Engineering
Thu, Apr 9, 6:00 PM
San Ramon · Amador Rancho Community Center
Almost full
CERT Unit 6: Cert Organization
Today at 6:00 PM
Berkeley · Berkeley Fire Department Division of Training
Almost full
CERT Unit 6: Cert Organization
Today at 6:00 PM
Berkeley · Berkeley Fire Department Division of Training
WESTERLY & THE OKAYS (Two Bay Area Rock Bands) ..LIVE @ Retro Junkie!
Thu, Apr 16, 6:00 PM
Walnut Creek · Retro Junkie
WESTERLY & THE OKAYS (Two Bay Area Rock Bands) ..LIVE @ Retro Junkie!
Thu, Apr 16, 6:00 PM
Walnut Creek · Retro Junkie
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Makers Market™ Local Artist Street Fair @ Broadway Plaza
Saturday at 11:00 AM
Walnut Creek · Broadway Plaza
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Makers Market™ Local Artist Street Fair @ Broadway Plaza
Saturday at 11:00 AM
Walnut Creek · Broadway Plaza
Career Fair: Exclusive Tech Hiring Event
Tomorrow at 9:00 AM
San Francisco · Moved to Virtual Event
Career Fair: Exclusive Tech Hiring Event
Tomorrow at 9:00 AM
San Francisco · Moved to Virtual Event
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Contra Costa Summer Camp and School Fair - THIS SATURDAY FREE in Concord
Saturday at 11:00 AM
Concord · De La Salle High School
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Contra Costa Summer Camp and School Fair - THIS SATURDAY FREE in Concord
Saturday at 11:00 AM
Concord · De La Salle High School
The Berkeley Cake Walk
Sat, May 2, 10:00 AM
Berkeley · Frances Albrier Community Center
The Berkeley Cake Walk
Sat, May 2, 10:00 AM
Berkeley · Frances Albrier Community Center
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YLM Foundation's Boys2Men & Girl Power Youth Summit
Saturday at 9:00 AM
Berkeley · Berkeley City College
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YLM Foundation's Boys2Men & Girl Power Youth Summit
Saturday at 9:00 AM
Berkeley · Berkeley City College
Going fast
Free! Berkeley ADU Walking Tour with Inspired ADUs
Sat, Apr 11, 10:00 AM
Berkeley · San Pablo Park
Going fast
Free! Berkeley ADU Walking Tour with Inspired ADUs
Sat, Apr 11, 10:00 AM
Berkeley · San Pablo Park
Almost full
Bair Island Sunset Stroll
Sunday at 6:30 PM
Redwood City · Bair Island Trail Parking Lot
Almost full
Bair Island Sunset Stroll
Sunday at 6:30 PM
Redwood City · Bair Island Trail Parking Lot
Family Bird Walk
Sat, Apr 18, 12:00 PM
Fremont · San Francisco Bay National Wildlife Refuge Visitor Center
Family Bird Walk
Sat, Apr 18, 12:00 PM
Fremont · San Francisco Bay National Wildlife Refuge Visitor Center
Parents, Kids, Teens & Tech
Wed, Apr 1, 8:00 AM
Danville · Montair Elementary School
Parents, Kids, Teens & Tech
Wed, Apr 1, 8:00 AM
Danville · Montair Elementary School
Almost full
Bees and Pollination
Sun, Apr 5, 11:00 AM
Fremont · San Francisco Bay National Wildlife Refuge Visitor Center
Almost full
Bees and Pollination
Sun, Apr 5, 11:00 AM
Fremont · San Francisco Bay National Wildlife Refuge Visitor Center

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:

Eastown Church Community Egg Hunt 2026

East Bay Activists Community Dinner - everyone is invited!

MainStage 4: The Young Masters

Boss Guitars Master Class Series: Jackeline Rago

Which events are currently trending in Castro Valley?

The trending searches this month in Castro Valley are:

k pop demon hunters

kids activities

Which free events are coming up?

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

CERT Unit 6: Cert Organization

Josie Iselin & Ellen Litwiller THE MYSTERIOUS WORLD OF THE BULL KELP FOREST

Career Fair: Exclusive Tech Hiring Event

ERCIVAN MARTIN: BLOOD BORDERS at Books Inc.