October 2026. Choose a day to read its family event details.
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Dots and numbers mark event dates. Select a day for details below. All times are in San Francisco time.
FreePaidCheck cost
Sat, Oct 17
11 events · San Francisco time
· 10:00 AM–5:30 PM
Free
Filipino American International Book Festival
Main Library · Civic Center 100 Larkin Street, San Francisco
A literary festival with children’s storytimes and picture-book programs alongside author conversations and a book marketplace.
Who it’s for:
Families are welcome; select the children’s program rather than assuming every adult panel suits children.
Cost:
Free library festival; book purchases are separate.
Before you go:
Drop in; no advance registration is listed. Children’s sessions take place in the Main Children’s Center on Floor 2. Check the official daily schedule for individual session times.
UCSF Mission Bay campus, Koret Quad · Mission Bay Koret Quad, UCSF Mission Bay, San Francisco
Explore hands-on science demonstrations, experiments, and activities across the UCSF campus.
Who it’s for:
Open to all ages; families, children, teens, and adults are welcome.
Cost:
Free public festival.
Before you go:
Free public attendance; check the organizer’s program and arrival guidance. Expect crowds and louder sound; most exhibits are on paved paths or indoors, with some on grass.
Code Ninjas Stonestown Grand Opening + Fall STEM Discovery Day
Code Ninjas Stonestown · Stonestown 595 Buckingham Way, Suite 561, San Francisco, CA 94132
Try hands-on coding, video game building, and STEM activities at Code Ninjas Stonestown's grand opening. Pick up a free mini pumpkin while supplies last, and enjoy LEGO prizes, a Roblox gift card giveaway, 3D-printed prizes, raffles, and a chance to win a free Winter STEM Camp.
Who it’s for:
Family-friendly event at a coding center with programs for ages 5–14.
Cost:
Free admission; mini pumpkins available while supplies last.
Before you go:
See the Eventbrite event page for registration details. Free street and garage parking; find the center in the Stonestown Medical Building next to SF Firefighters Credit Union.
Randall Museum · Castro 199 Museum Way, San Francisco
Meet a museum curator and learn about rescued California wildlife and how the museum cares for its animal ambassadors.
Who it’s for:
Guests of all ages are welcome.
Cost:
Free admission to this presentation.
Before you go:
Drop-in presentation; no advance registration is listed. It may take place indoors or outdoors depending on weather. Animal appearances and handling are not guaranteed.
Portola Library meeting room · Portola 380 Bacon Street, San Francisco
Find or pass along a child-sized costume at the neighborhood swap.
Who it’s for:
Families looking for children’s costumes.
Cost:
Free library program.
Before you go:
Drop in. You may take a costume without donating. Clean, gently used or new children’s costumes are accepted October 1–17; selection depends on donations.