We reviewed 550+ Bay Area event sources and found 42 festivals & street fairs in the Bay Area between October 27 and November 2. Last updated October 27, 2026.
Guests enjoy not‑so‑spooky animal encounters, crafts, games, a Mad Scientist, face painting, and food from Rosie’s Mexican Food Truck, Kona Shaved Ice, Market on Larkey at Lindsay Wildlife.
Spooktacular evening at Twin Pines Park features free Trunk or Treat decorated vehicles, a haunted house in the Manor building, live music, and food trucks, all ages.
Atherton Library hosts a Halloween Spooktacular with arts‑and‑crafts, a spooky musical storytime, bounce houses, costume parades, scavenger hunt and sweet treats, all ages.
Día De Los Muertos Community Celebration (CSM Lower Quad, San Mateo) — Annual campus event honoring Día de los Muertos with cultural history and traditions.
Halloween Boonanza (Central Lawn & Main Plaza) — candy collecting, magical fairy encounters with Happily Ever Laughter, festive crafts by GoGo Craft, and a performance by Jamaroo.
Scaregrove Halloween Event at Sigmund Stern Grove — free Halloween fun for all ages.
Autumn Farm Festival at the O'Donohue Family Stanford Educational Farm offers music, farm art, games, light bites and costume fun for all ages.
Día de los Muertos celebration at Millbrae Recreation Center Great Hall features music, art, activities, and a Mills High School Latino Mentor Program dance performance, for ages 3–13.
Trick-or-Treat Street fills Lafayette Plaza with candy stations and costumed participants during a temporary street closure and restricted parking.
A free weekly email with the best kids & family events across the Bay Area. Unsubscribe any time.
Trick-or-treat quest leads participants to stores with orange pumpkin signs, then balloon artist, creepy crafts and games at Veterans Community Plaza, for ages 3–13.
Businesses from Minnesota Avenue to Willow Street hand out candy and goodies along Lincoln Avenue, with a clockwise traffic route for safety, ages 1–13.
Grand Century Mall hosts 365 Night Market’s Halloween weekend with 50+ vendors, street food, dance and music performances, raffle giveaways, and free admission and parking.
Halloween trick‑or‑treating at Fairyland features performances, DJs, food trucks, candy stations, arts & crafts, games, prizes, STEM activities, and a Mad Science Fairy Fun House.
Costume parade and spooktacular contest with toddler, family/group, animal, and judge’s favorite categories at San Francisco Zoo, for ages 1–4.
Green Halloween at Happy Hollow Park & Zoo offers creepy crawly critter shows, costume parades, crafts, ghoulish games, trick‑or‑treating, and special animal encounters, $3 off admission.
Free Halloween night at Emma Prusch Farm Regional Park features candy, games, food trucks, animals, haywagon rides, and more.
Candy, games, food trucks, farm animals and hay wagon rides fill Emma Prusch Farm Regional Park for a free Halloween celebration, all ages.
Spooky crafts, treats, games, and a library storytime fill City Plaza Park, with costumes encouraged and a picnic lunch, for all ages.
Costume parade and dance party in front of Coyote Hills Visitor Center, with parent participation required; drop‑in, no registration, parking fees may apply, all ages.
Trick-or-Treat and a Costume Parade turn Small World Park into Halloween wonderland, 150 receive pumpkins; adults $6, kids $3 (free with canned good), for ages 10 and under.
Witchy Walk‑A‑Bout in Historic Saratoga Village offers games, crafts, costume showcase, festive scarecrows, trick‑or‑treating at local shops, a robotics team demo and a giant bubble booth, free.
Eco-friendly Halloween activities at Happy Hollow Park & Zoo include a Creepy Crawly Critter Show, costume parade, crafts, games, animal encounters, and enrichment, free with General Admission.
Trunk-or-treat with police, community groups, and local businesses offering candy, photo ops, and a live DJ at John Buckley Square, all ages.
Spooky crafts, tricks, treats, and a costume parade at Berryessa, San Jose — free, for ages 18 and under.
Pumpkin patch at Ardenwood Historic Farm offers many pumpkins, arts, crafts, games, and activities; admission $5 adult, $2 child 3–11, free under 2, for ages 1‑under, 3‑11, 18+.
Avenida de Altares celebrates its 10th anniversary free with vibrant altars, live entertainment, and local vendors at the Mexican Heritage Plaza, for all ages.
Halloween transforms Japantown with San Jose Taiko drumming, trick‑or‑treating, skateboarding activities and a Judi Oyama demonstration, in partnership with the Japanese American Museum for all ages.
Mexican Heritage Plaza hosts the 10th annual Avenida de Altares with an outdoor altar gallery, hands‑on art, artisanal vendors, face painting, and live performances for all ages.
Car‑free Cal Ave. becomes a lively gathering with popular local music talent, interactive activities, free giveaways, games and themed programming, all ages.
Fall-themed activities with pumpkins and flying bats at Happy Hollow Park & Zoo.
Halloween Extravaganza (Berkeley) — Story Time Band and Fratello Marionettes perform.
Halloween Farm Games at Ardenwood offers festive farm games and pumpkin playtime in the farmyard, drop‑in, disabled accessible, with Ardenwood admission fee.
Grand Century Mall hosts 365 Night Market’s Halloween weekend with 50+ vendors, street food, dance and music performances, raffle giveaways, and free admission and parking.
Dia de Muertos celebration at La Peña Cultural Center features altar ceremony, bilingual storytime, craftmaking, Son Jarocho concert and community fandango, free, all ages.
Student-built machines smash pumpkins for composting while over 40 maker, club, and robotics booths provide hands‑on science in the Saratoga High School courtyard, free, all ages.
The Lawrence Hall of Science presents a altar with an ancestral milpa, honoring ancestors, Indigenous knowledge keepers, and immigrant organizers at the Oakland Dia de los Muertos Festival.
Día de los Muertos Community Celebration at Rincon Library features music, dance, and crafts. Free for all ages.
Santana Row hosts a Día de Los Muertos tribute with face painting, Catrina meet‑and‑greets, mariachi performances, crafts and a cultural pop‑up market, free.
Día de los Muertos at Fairyland features a student art exhibit, live mariachi, Brazilian drumming lessons, a book reading, and a Spanish-language program.
Campus walk features department altars, performances, music, crafts, food trucks, and a Catrina/Catrin costume contest at Santa Clara University’s Palm Drive.
Calixto Robles leads a community altar creation while René y Familia provides live bilingual folk music, inviting contributions of flowers, photos, incense, and keepsakes, all ages.
Public altar building begins at 8 a.m., followed by a noon ceremony, evening performances, and a Mission night procession at Potrero del Sol Park — all ages.