857 things to do with kids in the Bay Area this week, October 31 – November 6, 168 of them this weekend: story times, classes, family festivals, puppet shows and more. We reviewed 550+ Bay Area event sources to find them. Last updated October 31, 2026.
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.
Halloween-themed storytime, library‑wide parade with trick‑or‑treating, and grab‑and‑go arts and crafts at Joyce Ellington Library, free, for ages 12 and under.
Costumed parade through the Main Library with trick‑or‑treat stations, stickers, bookmarks, and allergen‑free candy, ending back in the Children’s Room, all ages.
Trick-or-treat stations with non‑food treats appear in the Children’s Room, Teen Zone, second‑floor reference desk, customer service area, and library gift shop, costumes optional, for ages 0–18.
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 Science at Chabot Space & Science Center offers a lab with gooey experiments, a pumpkin elevator challenge, a rooftop pumpkin drop, and a dark‑matter film premiere panel.
North Beach Library open house features a Día de los Muertos ofrenda, Halloween storytime, tea tasting, acrylic painting, LEGO play, and shadow‑puppet crafts, all ages.
Spooky Science Saturday at Pacific Grove Museum of Natural History explores nocturnal bats, owls, creepy crawlies and scavengers with hands‑on activities; free, all ages.
A Halloween-themed magic show at Fruitvale Branch, Oakland, featuring tricks and treats for ghosts, goblins, superheroes, and fairies, for all ages.
Alameda Landing hosts a Halloween Spooktacular with face painting, balloon art, festive music, photo booth, and free goodie bags (while supplies last).
Dia de Muertos storytime at North Fair Oaks Library features a cultural tale, a spooky craft, and a Cascada de Flores performance, ages 11 and under.
Trunk-or-treat with police, community groups, and local businesses offering candy, photo ops, and a live DJ at John Buckley Square, all ages.
Trunk or Treat for Little Ones (Our Island Preschool, Alameda) — Free trunk‑decorated cars offering toddler‑ and preschool‑friendly treats.
Crockett Library hosts Halloween Hullabaloo with ghoulish games, creepy crafts, spooky seek‑and‑find, and costume candy rewards, all ages.
Spooky crafts, tricks, treats, and a costume parade at Berryessa, San Jose — free, for ages 18 and under.
Costume‑clad visitors trick‑or‑treat at the children’s, adult, and accounts desks, receiving candy and surprises from 4 p.m. to closing, all ages.
Spooky Halloween painting session with all supplies at Rodeo Library, sponsored by Friends of the Rodeo Library, all ages.
Scraper Bike Day hosts a Halloween ride and trunk‑or‑treat at Arroyo Viejo Park, featuring free food, free shirts, and a 20th‑anniversary celebration.
Solve spooky riddles and hunt pumpkins at the Portola Library, with a sweet treat at the end; for ages 6–10.
Build a Graham Cracker Haunted House in Willow Glen Community Room, practicing engineering skills; space for 15 participants, tickets at front desk one hour early, ages 5–12.
West Oakland Branch Library offers Halloween crafts including witches' hats, pipe‑cleaner spiders, yarn spider webs, and coloring pages, all ages.
Watch Hocus Pocus on the floor with a blanket at Dublin Library for a family‑friendly Halloween movie, ASL interpreter or captions available on request, all ages.
Costumed kids play carnival games, craft projects, and collect treats outdoors in front of Union City Library for ages 3–12.
Weekly STEAM adventures at Calabazas feature robots, engineering projects, science experiments, and making activities, tickets required, for ages 5–12.
Creatures hide throughout Pearl Avenue’s Children’s Area; get a search list at the info desk and claim a prize after finding them, free, for ages 12 and under.
Costume showcase and treat giveaway at Pittsburg Library, sponsored by the Friends of the Pittsburg Library, for all ages.
Berkeley Brick by Brick LEGO Club offers a Halloween-themed LEGO coding session with Spike Prime Grabbers and BricQ Motion Gymnast projects; limited space, registration required, for ages 5–10.
Pick up a spooky scavenger hunt guide at the Kids' Help Desk and search the Youth Department for hidden images to earn a prize for all ages.
The Great Big BOO! takes place at Gilroy Gardens Family Theme Park.
Make a 2½‑inch Halloween glitter globe with foam pieces, glitter and plastic globes in a 15‑minute drop‑in craft at Bascom, San Jose, free, for ages 5–12.
Ghosts roam the Museum of American Heritage, offering eerie vibes and spine‑tingling fun for costumed visitors.
Laser Halloween at the IMAX Dome Theater projects eerie, kaleidoscopic laser patterns across the darkness.
Fugazi, Deftones, Nirvana, Alice In Chains covers by The Secretary, Goon Squad, Bongfather, Laney Staleys at Neck of the Woods, $13 advance, $16 door, all ages.
Halloween Arcade at White Plaza offers arcade games, neon lights, 9‑hole mini golf, Pac‑Man, Mario Bros, air hockey, Guitar Hero, claw machine, tacos, candy apples, donuts, empanadas, photobooth.
The Great Big BOO! takes place at Gilroy Gardens Family Theme Park.
The Bernal Scream (Santa Clara County Fairgrounds, San Jose) — Two new haunted attractions open for the first time, offering spooky fun, all ages.
The Bernal Scream (Santa Clara County Fairgrounds, San Jose) — Two new haunted attractions open for the first time, offering spooky fun, all ages.
The Bernal Scream (Santa Clara County Fairgrounds, San Jose) — Two new haunted attractions open for the first time, offering spooky fun, all ages.
STEAM Club (Calabazas, San Jose) — Weekly Wednesday STEAM adventures with robots, engineering builds, science experiments, and making projects, for ages 5–12; tickets required.
The Bernal Scream (Santa Clara County Fairgrounds, San Jose) — Two new haunted attractions open for the first time, offering spooky fun, all ages.
The Bernal Scream (Santa Clara County Fairgrounds, San Jose) — Two new haunted attractions open for the first time, offering spooky fun, all ages.
The Bernal Scream (Santa Clara County Fairgrounds, San Jose) — Two new haunted attractions open for the first time, offering spooky fun, all ages.
A free weekly email with the best kids & family events across the Bay Area. Unsubscribe any time.