Events and Things to Do in Castro Valley, CA

Saturday, October 10

Featured

A Personalized Approach To a Blood Sugar Reset with the Murali Protocol

OCT

10

10:00 AM

San Ramon, CA

More pills and a rising A1C, despite all your efforts? You may be missing the big picture. Join San Ramon functional medicine...

Share

Sunday, October 11

Featured

Sama-Sama Fest

OCT

11

11:00 AM

Union Landing, I-880, Union City, CA

Sama-Sama Fest returns to Union Landing for its second Filipino American History Month celebration, a collaboration with Union...

Share

Tuesday, October 13

Featured

Discover LPC

OCT

13

5:00 PM

Las Positas College, 3000 Campus Hill Dr, Livermore, CA

Join us to find out why Las Positas College is the smart choice for Tri-Valley students and their families. This event features...

Share

Featured

Pizza Mind Trivia- Livermore Edition!

OCT

13

6:30 PM

Zachary's Chicago Pizza, 2470 First St, Livermore, CA

Pizza Mind Trivia is now monthly at Zachary’s Livermore! Join us every second Tuesday for pizza, drinks, prizes, and a whole...

Share

Saturday, October 17

Featured

AIA Dussehra Diwali Dhamaka - Festival of Lights 🪔🔥🎆

OCT

17

12:00 PM

Alameda County Fairgrounds, 2005 Valley Ave, Pleasanton, CA

AIA Dussehra Diwali Dhamaka (Festival of Lights) | Pleasanton | Oct 17th The Association of Indo Americans and Bolly 92.3 FM...

Share

Sunday, October 18

Featured

Free Household Hazardous Waste Drop-Off 10/18 in San Leandro

OCT

18

9:00 AM

San Leandro, CA

Collect all your household hazardous waste and bring it on Sunday, October 18. Safely dispose of your old batteries, medicines,...

Share

Saturday, October 31

Featured

Halloween Bash at Concannon

OCT

31

7:00 PM

4590 Tesla Rd, Livermore, CA

Saturday, October 31 | 7–11 PM $70 General Admission | $60 Wine Club Members This Halloween, we’re transforming the Concannon...

Share

Saturday, October 10

• A Personalized Approach To a Blood Sugar Reset with the Murali Protocol 10:00 am

  FREE online webinar

  
  
• East Bay Mineral & Lapidary's Next Open House 11:00 am

  14232 Doolittle Dr, San Leandro

  
  
• 2026 Blessing of the Animals 11:00 am
  
  
• Pause in the Pasture 11:30 am

  Heirloom East Bay, 9990 Crow Canyon Rd, Castro Valley

  
  
• VOYAGER, A Tribute to the Music of Journey 7:30 pm

  19501 Redwood Rd, Castro Valley

  
  

Sunday, October 11

• Sama-Sama Fest 11:00 am

  Union Landing, I-880, Union City

  
  

Tuesday, October 13

• Discover LPC 5:00 pm

  Las Positas College, 3000 Campus Hill Dr, Livermore

  
  
• Pizza Mind Trivia- Livermore Edition! 6:30 pm

  Zachary's Chicago Pizza, 2470 First St, Livermore

  
  

Thursday, October 15

• John Rybak + Friends @ The Bistro 7:00 pm

  The Bistro, 1001 B St, Hayward

  
  

Saturday, October 17

• AIA Dussehra Diwali Dhamaka - Festival of Lights 🪔🔥🎆 12:00 pm

  Alameda County Fairgrounds, 2005 Valley Ave, Pleasanton

  
  
• 4th Annual Fall Festival 9:00 am

  377 Paseo Grande, San Lorenzo

  
  

Sunday, October 18

• Free Household Hazardous Waste Drop-Off 10/18 in San Leandro 9:00 am
  
  

Wednesday, October 21

• Sunset Reset: Somatics & Sound (Flow, Meditation & Sound Bath) 7:00 pm

  Heirloom East Bay, 9990 Crow Canyon Rd, Castro Valley

  
  

Friday, October 23

• Harvest Festival® ~ Pleasanton 10:00 am

  Alameda County Fairgrounds, 2005 Valley Ave, Pleasanton

  
  

Saturday, October 24

• Koinonia Con 10:00 am

  Redwood Chapel Community Church, 19300 Redwood Rd, Castro Valley

  
  
• Trunk or Treat Family Fest 4:00 pm

  Coastline Christian Schools, 1801 N Loop Rd, Alameda

  
  

Sunday, October 25

• CVUMC Trunk or Treat 2026: Free Food, Games, & Prizes! 11:30 am

  United Methodist Church Castro Valley, 19806 Wisteria St, Castro Valley

  
  

Saturday, October 31

• Halloween Bash at Concannon 7:00 pm

  4590 Tesla Rd, Livermore

  
  

Saturday, November 7

• Explore Coastline - Info Day at Coastline Christian Schools 10:00 am

  Coastline Christian Schools, 1801 N Loop Rd, Alameda

  
  

Sunday, November 8

• FREE East Bay Kids' Book Fair coming to San Ramon Nov. 8 10:00 am

  Pine Valley Middle School (PVMS), 3000 Pine Valley Rd, San Ramon