Contact Information
Impact100 East Bay
P.O. Box 2889
Castro Valley, CA 94546
info@impact100eastbay.org
Drop us a line

We’d love to hear from you!

  • This field is for validation purposes and should be left unchanged.

Impact100 East Bay Serves:

Alameda & Contra Costa Counties

Impact100 East Bay is incorporated in the State of California. As a 501(c) (3) organization, we are classified as a public charity and contributions are deductible under section 170 of the internal Revenue Code. Impact100 East Bay is also qualified to receive tax deductible bequests. Our Tax ID number (Employer Identification Number) is 81-3431763.