Get In Touch

NOTE: As of January 1, 2021, our long-time office space at 2530 San Pablo Avenue in Berkeley is closed. Once we can all work together safely in person we will kick off a search for a new home base for the chapter.

Visit our Staff page to find email addresses and phone extensions for Bay Chapter staff members.

Phone: (510) 848-0800

Fax: (510) 345-2518


Mailing addressPO Box 2663, Berkeley, CA 94702

Sierra Club national headquarters

For national conservation policy, change of membership information, and national publications, contact Sierra Club national headquarters:
(415) 977-5500
2101 Webster St Suite 1300
Oakland, CA 94612

To reach Member Services, call (415) 977-5653 or email