The San Francisco Zoo, Northern California's largest zoological park and conservation center, periodically offers free admission for San Francisco residents. The next verified free day is Wednesday, January 29, 2025.
This urban oasis, nestled against the Pacific Ocean, provides a comfortable climate all year round. You'll enjoy seeing the 250 different animal species in naturalistic surroundings, along with their many zoo activities and events.
Arrive Early: Last admission to the Zoo on a free day is typically one hour before closing time. Free admission is only valid to San Francisco residents with valid ID, subject to capacity.
Check the calendar. The free days are often the first or second Wednesday of the month and can be announced on very short notice, sometimes months are skipped altogether.
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