Events and Things to Do in Union City, CA

Wednesday, October 14

Featured

Tech Trek Fundraiser

OCT

14

5:00 PM

Darcie Kent Estate Winery, 7000 Tesla Rd, Livermore, CA

Join us for wine, charcuterie, and a silent auction to raise funds to send 8th grade girls to STEM camp. For more information...

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Thursday, October 15

Featured

John Rybak + Friends @ The Bistro

OCT

15

7:00 PM

The Bistro, 1001 B St, Hayward, CA

Hi Friends!We return to The Bistro in Hayward for a free evening of acoustic roots + blues Thursday, October 15th 7-9:30PM!...

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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...

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Saturday, October 31

Featured

TRUNK or TREAT

OCT

31

5:00 PM

4760 Thornton Ave, Fremont, CA

Free Family Friendly fun! 30 decorated car trunks, loads of free candy games and entertainment! Wear non-scary costumes! 

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Sunday, October 11

• Sama-Sama Fest 11:00 am

  Union Landing, I-880, Union City

  
  

Wednesday, October 14

• Tech Trek Fundraiser 5:00 pm

  Darcie Kent Estate Winery, 7000 Tesla Rd, Livermore

  
  

Thursday, October 15

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

  The Bistro, 1001 B St, Hayward

  
  

Friday, October 16

• 2026 State of the City Address 6:00 pm

  33997 Alvarado-Niles Rd, Union City

  
  

Saturday, October 17

• 4th Annual Fall Festival 9:00 am

  377 Paseo Grande, San Lorenzo

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

  Alameda County Fairgrounds, 2005 Valley Ave, Pleasanton

  
  
• HUGE Fall Rummage Sale! 10:00 am

  Southern Alameda County Buddhist Church, 32975 Alvarado-Niles Rd, Union City

  
  

Sunday, October 18

• HUGE Fall Rummage Sale! 11:00 am

  Southern Alameda County Buddhist Church, 32975 Alvarado-Niles Rd, Union City

  
  

Saturday, October 24

• Mutt Strut 2026 8:00 am

  Masonic Homes of California, 34400 Mission Blvd, Union City

  
  

Saturday, October 31

• TRUNK or TREAT 5:00 pm

  4760 Thornton Ave, Fremont