Contact Us

The Sierra Club Foundation
85 Second Street, Suite 750
San Francisco, CA 94105

Main: (415) 995-1780
Fax:   (415) 995-1791

The Sierra Club Foundation is unable to provide Sierra Club membership in exchange for your donation. Please see our FAQs page for more details. For Sierra Club membership and other related inquiries, please call (415) 977-5653 or email

The Sierra Club Foundation stewards charitable contributions and assets responsibly. We are proud to have earned a four-star rating from Charity Navigator and an A from CharityWatch. Our high ratings from nonprofit watchdog organizations demonstrate our commitment to sound fiscal management, good governance, and commitment to accountability and transparency.