Donate to SUMM

SUMM depends on support from our community.

Together, we can build something incredible: a future where math is for everyone. Will you take action with us and join our equation? Will you support the growth of the Seattle Universal Math Museum, a place where learning and curiosity have no limits?

Join the Square Giving Circle

The Square Giving Circle is SUMM’s sustaining donor community for recurring monthly or annual donors. Your ongoing support ensures SUMM can plan ahead and say yes to more partnerships, more school visits, + more free community programs.

Frequently Asked Questions

  • Reach out to info@seattlemathmuseum.org to start the conversation about your pledge options.

  • Seattle Universal Math Museum is registered as a nonprofit with corporate giving platforms Benevity, Blackbaud, PayPal Giving Fund, etc. for donations and matching. We can add other matching services on request.

  • Please email us at info@seattlemathmuseum.org to let us know, and you can mail a check to our mailing address:


    Seattle Universal Math Museum

    2100 24th Ave S

    Suite 120
    Seattle, WA 98144

  • You can donate using Zelle through your bank by creating a payee named Seattle Universal Math Museum with the email address info@seattlemathmuseum.org. Please also email us with your contact info so we can send you a thank you!

  • Yes, please email us at info@seattlemathmuseum.org with to find out about our stock and other donation processes.

  • Yes, SUMM’s tax ID is 84-2800368. If you have more questions, or would like to notify us of your recommendation, please email us at info@seattlemathmuseum.org.

  • This is our latest report, from 2025.