Clarkston 303 Diagonal St Umpqua Bank 9:00 AM - 5:00 PM 9:00 AM - 5:00 PM 9:00 AM - 5:00 PM 9:00 AM - 5:00 PM 9:00 AM - 5:00 PMClosed Today Closed Today 303 Diagonal St Clarkston, Washington 99403 US