Contact Us

ContactUs_photoImpact100 Sonoma
P. O. Box 1958
Sonoma. CA  95476
(707) 939-5007

For information about becoming a Member:

For information about your membership account:

For grant information:

To share ideas and suggestions:

For general information:

Impact100 Sonoma is incorporated in the State of California as Women Giving as One, Inc. and is registered with the Registry of Charitable Trusts (Department of Justice of 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 Sonoma is also qualified to receive tax deductible bequests. Our tax id number (Employer Identification Number) is 27-0845497.


You can make an impact in our community.