Bob's Red Mill closed its red retail store and cafe in February. The iconic red, barn-like building that housed Bob’s Red Mill Whole Grain Store & Restaurant for 22 years is for sale.

Bob’s Red Mill Whole Grain Store and cafe may have sold its last bag of flour last month, but the Milwaukie business’s iconic bright red building is on the market for almost $6 million.

Bob’s Red Mill recently expanded its product line to feature new flavors and easy-to-use formats that “reimagine homemade meals,” the company said. The new flavors and formats include protein oats, ...