About Prosser

History of Prosser


In 1882, Colonel William Farrand Prosser, special agent for the Department of the Interior, filed a land claim near the falls in the Yakima River.  The new town site was called Prosser Falls.


Birthplace of Washington Wine


Prosser has been the location of the Washington State University Irrigated Agricultural Research Extension Center  since 1919.


Historic Downtown


With buildings dating back to the turn of the 20th century, it is easy to think of a historic district as caught in the past. Not so in Prosser!


Tourism Office

1230 Bennett Ave • Prosser, WA

(509) 786-3177

@ 2019 Tour prosser • All rights reserved

Tourism Office

1230 Bennett Ave

Prosser, WA 99350