Help Preserve Prosser's History

The Prosser Historical Museum is a private 501(c)(3) non-profit corporation, registered within the State of Washington. The museum depends on the generous financial contributions of residents, visitors, and others to support its mission.

Mail-in donations:

Prosser Historical Museum
P.O. Box 1407
Prosser, WA 99350

Please make checks payable to the Prosser Historical Museum

Donations of artifacts, photos and documents particular to the history of Prosser are warmly welcomed. Please contact Prosser Historical Museum Director/Curator Alys Means at (509) 786-3842 for additional information.

Let your memories become part of Prosser's legacy.

Our community's history includes not only the distant past—it's being made each and every day. Please consider sharing your historic Prosser photographs, artifacts, and remembrances from 1-100+ years ago with the Prosser Historical Museum. These links to the past are of great importance to Prosser residents and visitors and will become even more so in the future. Contributions may also be sent via email or given in person.

Share your stories and photos to help us build our archive!

Be a part of the history of Prosser by giving a detailed description of a memory for our archives.