Thomsen, a successful businessman who founded the Centennial Mill Company and later acquired the Pacific Biscuit Company, retired in 1937 and turned his hobby of growing blueberries into a lucrative venture. Thomsen planted 27,000 blueberry bushes on the property's riverbottom land, built a cannery, and shipped 40 tons of blueberries annually under the Wildcliffe Farm label.
The interior of the house features a gracious hall, elaborate paneled woodwork, and ornate period tilework in the baths.