The William and Flora Hewlett Foundation
2121 Sand Hill Road
Menlo Park, CA 94025
Please see the Newsroom for individual media contacts to ensure timely replies.
Our office building
The foundation is committed to helping our community and offers meeting spaces free of charge on first-come, first-served basis to nonprofit organizations. Note: We do not permit the space to to be used for fundraising or political events.
Built in 2002, our building was the first in California and the fifth in the country to receive a gold-level certification under the U.S. Green Building Council’s LEED (Leadership in Energy and Environmental Design) rating system.
Anonymous and grantee feedback
Grantees and members of the public can submit comments anonymously through a third-party website. Responses are collected and relayed back to the foundation without any identifying information. In addition, grantees are welcome to provide comments directly to program staff at any time. View our full whistleblower policy for more information.
Send us a message
We appreciate your interest in the Hewlett Foundation. We respond to requests for information in the order they are received. Please note we are unable to provide charitable contributions or sponsorships, building funds, scholarships or similar payments to individuals, or make investments in business initiatives. In addition, we will not be able to respond to funding inquiries that do not align with our programs. Learn more about our response to COVID-19 and see related resources. You can also see other frequently asked questions about our grantmaking.