An industrial building at 4515 Eighth Ave. N.W. in Seattle was sold for $2.57 million to 4514 8th Ave NW LLC, which plans to convert the structure to self storage. The buyer is associated with the Rudd Co. Inc. and Alan M. Park. Based in Seattle, Rudd is a family-owned business that manufactures professional coatings. The seller, Skills Inc., acquired the property in 1988 for $205,000.