Contact Information
Impact100 East Bay
P.O. Box 2889
Castro Valley, CA 94546 925-232-2021
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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.