Your Membership number appears above your name on your membership card or below your address on your renewal form. Search with the Last Name of the Primary Member. If you use the last name of an additional cardholder, the system will not be able to find your membership.

If you do not know your membership number, our staff is happy to help! Call us at 510-632-9525 x160 or email Please include your full name and address in your message.

Renewing your Friends of the Wild membership? Visit this page and click the “Join Online” button.

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To prevent fraud, our online renewal system will not allow you to change the name of an existing cardholder. If you would like to remove or replace a cardholder name, please contact us by phone, email, or in person at the zoo. If you are upgrading to a higher membership level, you will be able to name additional cardholders.