Build-A-Zoo

Sat · Oct 24·10 AM – 1 PM·Mt. Pleasant, Parking is available in the neighborhood., San Jose

Create craft stick scarecrow friends at Mt. Pleasant, San Jose, with parking nearby; free activity for ages 10 and under, no registration required.

Sat · Oct 24·12 PM – 1 PM·Evergreen, San Jose

Crochet Club (Evergreen, San Jose) — Work on projects, start new ones, or learn basics with volunteer help; hooks, yarn, and basic supplies provided while available. Ages 5 and up.

Sat · Oct 24·2 PM·San Jose

History Park turns into a Halloween park with crafts, trick‑or‑treating at houses, Show, Sugar Skull workshop for a small fee, and bat‑spider activities outside museum for all ages.

Sat · Oct 24·California Theatre, San Jose

Symphony San Jose presents a Halloween concert of classical themes, conducted by Peter Jaffe with vocalist Bianca Orsi, featuring a costume contest, California Theatre, $35–$125, all ages.

Sun · Oct 25·Plant Science Center · San Jose

Make butter from scratch and taste it on breads at the Plant Science Center's Emma Prusch, for ages 7–10 and adults 18+.

Fri · Oct 23·6 PM·Mayfair Community Center, 2039 Kammerer Ave. San Jose, California 95116

Spooky pumpkin decorating, candy and prize collection, tables, and a movie at Mayfair Community Center, $7 per person, free for children under 3, for ages 2 and under.

Fri · Oct 23·6 PM·Camden Community Center, 3369 Union Ave. San Jose, California 95124

Paint and decorate pumpkins under UV lights, enjoy festive treats, and take home a glowing masterpiece at Camden Community Center; $18 residents, $22 non‑residents, for ages 2 and up.

Fri · Oct 23·10 AM – 2 PM·Happy Hollow Park & Zoo · San Jose

Puddle Jumpers at Happy Hollow Park & Zoo lets participants explore wildlife in rain with rubber boots, hats and gloves.

Sat · Oct 31·10 AM · 2 PM·Happy Hollow Park & Zoo · San Jose

Fall-themed activities with pumpkins and flying bats at Happy Hollow Park & Zoo.

Fri · Nov 6·10 AM – 2 PM·Happy Hollow Park & Zoo · San Jose

Make shaker rattles for dancing music at Happy Hollow Park & Zoo, ages 3–13.