Learn here how you can make your charitable donations to support Co-Serve's staff, programs and mission.

The Marshall Christensen Foundation DBA Co-Serve International, with federal tax identification #93-1230131, is a tax exempt non-profit organization under 501(c)(3) of the IRS Code; it is also classified as a public charity under Section 509(a)(2) of the Code. Donations to Co-Serve International are tax deductible under section 170 of the Code. Contributions are solicited with the understanding that Co-Serve International has complete discretion and control over the use of all donated funds.

There are four ways to make your donation to Co-Serve International. Please choose the option below that is most convenient for you. If you have any questions about making a donation, please contact us via e-mail at or by phone at (503) 668-1214. Paper receipts will be mailed for all check donations and electronic receipts will be sent by email for all credit card, bank, and PayPal donations. Co-Serve International will also mail and email year-end giving reports to all donors at the end of each calendar year. NOTICE: 2020 Giving Reports will be mailed or emailed to all 2020 donors by the end of January 2021. If you did not receive your report, have questions, or need a duplicate report, please write to us at


Mail a check, payable to "Co-Serve International," to:

Co-Serve International
P.O. Box 2099
Sandy, OR  97055

Please include a short note with your check, indicating any gift designation.  A paper receipt will be mailed to you promptly with a return form and envelope for any future check donations.


Make one-time or recurring donations from your credit card or bank account. Click on the "Donate" button below to open Co-Serve's Credit Card and Bank Account Donation Page. For recurring donations, you can contact us at any time via e-mail at or by phone at (503) 668-1214 to stop or change your recurring donation.


If you use PayPal, click on the "Donate" button below. This will take you to Co-Serve's PayPal payment page, where you can make a one-time donation or set up monthly donations from your PayPal account. Write your gift designation, if any, where it says "Add a note."


Call us at (503) 668-1214 and we can help you set up one-time or recurring donations charged to your credit card or bank account.