Tri-Valley Events: October 2025

October is here, and the Tri-Valley is buzzing with fall festivities, spooky fun, and family-friendly activities! From Downtown Pleasanton to Livermore, the season brings a variety of events perfect for kids, adults, and the whole community. Whether you’re looking for Halloween fun, seasonal markets, arts and crafts fairs, or wine experiences, the Tri-Valley has something for everyone. Here’s your guide to the top October happenings in Pleasanton and Livermore.

Pirates of Emerson Haunted Themed Park | Sep 26 – Nov 2

Thrill-seekers won’t want to miss Pirates of Emerson Haunted Themed Park in the Tri-Valley. Running through early November, this Halloween attraction in Pleasanton features haunted houses, spooky mazes, and chilling entertainment guaranteed to give you goosebumps.

Witches Night Out – Downtown Livermore | Oct 1

Grab your coven and head to Downtown Livermore for Witches Night Out! This adults-only Livermore Halloween event offers themed cocktails, festive dining, and special shopping deals. Explore the magical streets of Livermore as shops transform for a night of spooky fun and enchantment.

Alameda Fall Home Show | Oct 3–5

For home enthusiasts in the Tri-Valley, the Alameda Fall Home Show is the place to be. Visit hundreds of exhibits featuring landscaping, pools, home décor, furniture, flooring, and fine art. Whether you’re planning renovations or simply gathering ideas, this home and garden showcase near Pleasanton has it all.

Pumpkins on Main – Downtown Pleasanton | Oct 11–26

Bring the kids for Pumpkins on Main, a family-friendly Pleasanton Halloween scavenger hunt. Explore charming streets of Downtown Pleasanton, follow fun clues, and discover hidden pumpkins while enjoying festive decorations and surprises along the way.

ArtWalk Livermore | Oct 11

Celebrate creativity at ArtWalk Livermore, hosted by Livermore Valley Arts. This Tri-Valley arts event features over 200 local artists showcasing everything from pottery and jewelry to mixed media and fine art. Enjoy live music, cultural demonstrations, and crafts for children as you stroll through historic downtown Livermore.

Diwali – Festival of Lights | Oct 11

Experience the vibrant Diwali celebration in Livermore, featuring a fireworks display, Ravan Dahan ceremony, arts and crafts vendors, traditional cuisine, and Bollywood dance performances. This cultural Tri-Valley event is perfect for families wanting a lively and colorful festival experience.

TASTE: The Livermore Valley Wine Experience | Oct 16–19

Savor the flavors of the Livermore Valley at TASTE, the region’s premier food and wine festival. Enjoy exclusive wine tastings, vineyard tours, and winemaker dinners showcasing award-winning wines from the Tri-Valley wine country. A must-visit for wine enthusiasts visiting Livermore this fall.

Witches Hat Workshop – Pleasanton | Oct 19

Join Bee Stax Boutique for a hands-on Witches Hat Workshop in Pleasanton at BottleTaps. Create your own custom witch hat with all supplies provided—perfect for Halloween fun in Pleasanton. This family-friendly and adult-friendly crafting event runs from 1:00 PM to 3:00 PM and promises a magical, creative afternoon.

Pleasanton Harvest Festival | Oct 24–26

Celebrate 53 years of arts, crafts, and community in Pleasanton at the Pleasanton Harvest Festival. Shop hundreds of booths featuring handcrafted jewelry, blown glass, photography, wood art, specialty foods, and more. This artisan-inspired Tri-Valley festival is ideal for holiday shopping and discovering unique gifts.

Kidz Town Halloween Hay Day – Livermore | Oct 25

A Livermore favorite for families, the Kidz Town Halloween Hay Day welcomes children 5th grade and under for a free morning of trick-or-treating, games, live music, and a costume contest in Downtown Livermore. The fun continues at Stockmen’s Park with more treats from local vendors.

Downtown Pleasanton Halloween Brew Crawl | Oct 25

Beer lovers, this one’s for you! The Halloween Brew Crawl in Downtown Pleasanton features 25+ local brews, live music, and festive vibes along Main Street. Adults can enjoy craft beer tastings in costume while exploring Pleasanton’s lively downtown scene.

Hallo-Wine Party Tour – Livermore | Oct 25

Board the Livermore Wine Trolley for a Halloween-themed wine tour. Visit three award-winning Livermore wineries, enjoy full tasting flights paired with Halloween treats, and celebrate the season in style with friends.

Alameda Vintage Fashion Faire – “Ghosts of Vintage Past” | Oct 25–26

Step into a vintage wonderland at the Alameda Vintage Fashion Faire. Shop 75+ booths featuring clothing, couture, jewelry, accessories, and special vintage Halloween costumes. A must-attend for fashion lovers in the Tri-Valley and beyond.

The Witching Hours – Concannon Vineyard | Oct 29

Enjoy wine, costumes, and candy at Concannon Vineyard for The Witching Hours. Sip festive cocktails, participate in costume contests and karaoke, and indulge in a magical Pleasanton Halloween evening.

4th Annual Connect to a Cause - Xtreme Music Bingo! – Pleasanton | Oct 29

Join Connect California Homes at BottleTaps in Pleasanton for a free fundraising event featuring Xtreme Music Bingo. Enjoy drinks, food, and prizes while supporting Culinary Angels, all in a fun community-focused Pleasanton event.

Iā ʻOe E Ka Lā Hula Festival – Pleasanton | Oct 31–Nov 2

Celebrate Hawaiian culture in Pleasanton at the 45th annual Iā ʻOe E Ka Lā Hula Festival. Featuring solo and group hula performances, arts and crafts, and authentic Polynesian cuisine, this family-friendly Pleasanton festivalpreserves and shares Hawaiian traditions in the Tri-Valley.

Weekly Farmers Markets in the Tri-Valley

• Downtown Livermore Farmers Market – Sundays (Oct 5, 12, 19, 26)

• Downtown Pleasanton Farmers Market – Saturdays (Oct 6, 13, 20, 27)

Pick up fresh produce, artisanal goods, flowers, and handcrafted items while supporting local farmers and small businesses in Pleasanton and Livermore. Perfect for family-friendly weekend outings in the Tri-Valley.

This October, the Tri-Valley shines with fall fun, community events, and seasonal festivities, making Pleasanton and Livermore the ultimate destinations for celebrating spooky season, arts, culture, and local flavor.