Sierra Club Foundation
2101 Webster St Suite 1250
Oakland, CA 94612

Phone: (415) 995-1780

As a public charity, the Sierra Club Foundation cannot provide Sierra Club membership in exchange for your donation. Please see our FAQs page for more details.

For Sierra Club membership inquiries, please call (415) 977-5653 or email

For any other Sierra Club questions, please call (415) 977-5653 or email

The Sierra Club Foundation cannot answer Sierra Club-related questions as we are two separate organizations. Please do not use the below form for Sierra Club-related questions.

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