Issaquah History Museums is a 501(c)3 non-profit organization, Tax ID #23-7425589. Contributions are deductible to the extent allowed by law. Your gift helps us fulfill our mission of discovering, preserving, and sharing the history of Issaquah and the surrounding area. You can use the form below to make a donation, or you can mail your donation to us at P.O. Box 695, Issaquah, WA 98027. Thank you!