Global Website Footer Block WA State Charitable Solicitations Act (RCW 19.09) Seabrook Community Foundation is a registered nonprofit organization under Section 501(c)(3) of the Internal Revenue Code. Our Tax Identification Number (EIN) is 20-8521827. Contributions are tax-deductible to the full extent of the law. Financial and additional information concerning this organizations purpose and activities may be obtained by contacting the Washington Secretary of State Charities Program at 1-800-332-4483 or online at www.sos.wa.gov/charities.