Sf Zoo Free Day 2025. Jan 31, 2023 updated feb 1, 2023. But if you’re looking for a fun and educational.

The san francisco zoo, northern california’s largest zoological park and conservation center, periodically offers free admission for san francisco residents. 10 am to 5 pm (last admission is 4pm) great highway, between skyline and sloat boulevards, next to the pacific ocean.free for sf residents.