Union City Halloween Events 2026

Browse Halloween in Union City

Illustration of a ghost and two costumed kids trick or treating past glowing houses with pumpkins and autumn leaves at dusk Union CityFamily-Friendly Fall Activities55 family events Illustration of a Halloween dinner table with pumpkins, candles, black bowls, a smiling ghost and costumed figures Union CityHalloween Food, Drink, and Parties29 parties & tastings Illustration of a small cottage with glowing windows, ghosts, jack o'lanterns and a black cat among bare trees at twilight Union CityHaunted Experiences13 haunted attractions Illustration of a small ghost and a jack-o'-lantern performing on a stage with red curtains, watched by a crowd at dusk Union CityHalloween Movies, Theater, and Entertainment4 shows & screenings Illustration of a Halloween town at dusk with glowing houses, pumpkins, floating ghosts and a witch flying past a full moon Union CityUnique Halloween Events14 unique events

Editor's Picks

Illustration of a haunted house on a hill under a full moon, red light glowing from the doorway where a figure stands (Fear Overload Scream Park) Fear Overload Scream ParkNewark · Sep 25 – Nov 7Two indoor haunted houses, live queue entertainment, and a horror boutique. Illustration of a pumpkin patch with many orange pumpkins, curling vines, a wheelbarrow and a small farm stand at dusk (Cupertino Monster Mash Halloween Bash) Cupertino Monster Mash Halloween BashCupertino · Sat, Oct 24Outdoor kids Halloween party with trick-or-treating, games, and pumpkin decorating. Illustration of a Halloween gathering at dusk with a smiling ghost, costumed figures, glowing jack-o'-lanterns and lights (San Francisco Halloween Pub Crawl) San Francisco Halloween Pub CrawlSan Francisco · Oct 24 – Nov 1Includes drink specials and party buses across around 40 bars. Illustration of a Halloween craft scene with clay kids, a friendly ghost, bats and glowing pumpkins under party bunting (Halloween for Families at Gamble Garden) Halloween for Families at Gamble GardenPalo Alto · Sat, Oct 24Outdoor morning featuring a magic show, crafts, trivia, and treats. Illustration of a small guide with a glowing lantern on a cobblestone street with pumpkins, ghosts and a stone bridge (Ghosts of Pleasanton's Past Tour) Ghosts of Pleasanton's Past TourPleasanton · Oct 9 – Oct 17Guided two-hour walking tour of haunted downtown Main Street sites. Illustration of striped booths with pumpkins and costumed figures on a town street with orange autumn trees (Silicon Valley Fall Fest 2026) Silicon Valley Fall Fest 2026Cupertino · Sat, Sep 12Community festival with cultural parade and craft beer tasting

Events Happening Soon

Fri16Oct The Ardenwood Haunted Train 2026Fremont Illustration of small costumed figures and a witch playing on a sunny lawn with pumpkins, hay bales, a tent and orange trees (The Ardenwood Haunted Train 2026) Fri23Oct Ghosts of DublinDublin Illustration of a young guide holding a lantern on a cobblestone street with ghosts in house windows under a full moon (Ghosts of Dublin) Sat24Oct Kidz Town Halloween Hay DayLivermore Illustration of a child in a witch costume holding a pumpkin bucket on a leafy sidewalk lined with glowing houses at dusk (Kidz Town Halloween Hay Day) Fri30Oct Bollyween Bollywood Halloween PartyMountain View Illustration of a Halloween nightclub where costumed clay partygoers dance beneath purple and green lights near a stage (Bollyween Bollywood Halloween Party) Sat31Oct San Jose Halloween Bar CrawlSan Jose Illustration of a cozy lantern lit patio at night where costumed figures toast frothy beer mugs at wooden picnic tables (San Jose Halloween Bar Crawl) Sat31Oct Avenida de AltaresSan Jose Illustration of a fall festival street with big pumpkins in front, striped booths, and small figures under orange trees (Avenida de Altares)

About Halloween in Union City

Union City's Halloween 2026 animates the City Hall plaza and Decoto Road with supernatural attractions and spooky celebrations across local landmarks.

The city showcases horror experiences, pumpkin festivals, and costume celebrations that welcome families and night-time revelers.

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Union City Halloween Events Map

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Union City Halloween events map

Halloween in Nearby Cities

Fremont 4 mi away · 6 events Newark 4 mi away · 4 events Hayward 6 mi away · 1 event Castro Valley 7 mi away · 1 event San Lorenzo 8 mi away Ashland 8 mi away

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