Contact Us

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

Main: (415) 995-1780
Fax:   (415) 995-1791
foundation@sierraclub.org

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.