2025 Spooky Season Adult Events in the Tri-Valley

The Tri-Valley comes alive every fall with Halloween-themed events for adults looking to celebrate the season in style. From wine tastings and costume contests to haunted bar crawls, there’s no shortage of festive fun for grown-ups. Check out our top picks for adults-only Halloween events in the Tri-Valley this year.

Witches Night Out

WHERE: Downtown Livermore

WHEN: Wednesday, October 1st, 2025, from 4:00 PM – 9:00 PM

Start your Halloween celebrations in Livermore with Witches Night Out, an adults-only evening of magic and fun in the heart of Downtown Livermore. Gather your friends and sip on specialty Halloween-inspired cocktails, savor seasonal dishes, and take advantage of exclusive shopping specials. Local shops and eateries transform the streets into a bewitching scene, offering an unforgettable night of festive exploration.

Halloween Brew Crawl

WHERE: Downtown Pleasanton

WHEN: Saturday, October 25, 2025, at 5:00 PM

Downtown Pleasanton transforms into a haunted hub for the Halloween Brew Crawl! Sample more than 25 craft brews from local breweries, enjoy live music, and show off your best costume. This adults-only event starts at the Museum on Main, where you’ll receive a commemorative glass, wristband, and map to navigate the spooky crawl.

Hallo-Wine Party Tour

WHERE: Livermore Wine Trolley

WHEN: Saturday, October 25, 2025, from 6:00 PM – 9:30 PM

Experience the Tri-Valley’s best wineries on the Hallo-Wine Party Tour! Enjoy tastings at Murrieta’s Well, McGrail Vineyards, and Wood Family Vineyards. Each stop pairs a full wine flight with Halloween-themed treats. Costumes are encouraged, making this adults-only trolley tour both festive and fun.

The Witching Hours

WHERE: Concannon Vineyard, Livermore

WHEN: Wednesday, October 29th, 2025, from 6:00 PM – 8:30 PM

Concannon Vineyard hosts The Witching Hours, a magical Halloween evening for adults. Enjoy a complimentary welcome pour, costume contests, karaoke, candy grazing, and creative wine cocktails. This Tri-Valley event combines spooky fun with vineyard elegance for an unforgettable night.

Zombie Brew Crawl

WHERE: Downtown Martinez

WHEN: Saturday, October 11th, 2025, from 1:00 PM – 4:00 PM

Get ready for a spooky sip-fest at the Zombie Brew Crawl in Downtown Martinez! Stroll the streets in full zombie attire while sampling more than 30 craft beers, and compete for prizes for the best solo or group costumes. Perfect for adults looking to blend Halloween thrills with a love of craft brews, this event is one of the East Bay’s most fun and unforgettable Halloween experiences.

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Tri-Valley Events: October 2025

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