Top property values listed start at $500,000 and have been rounded to the nearest hundred figure. Property values are public record and can be found by visiting the county assessor's office.BENTON COUNTY3321 W. Kennewick Ave., Kennewick, 29,288-square-foot, commercial building on 0.63 acres. Price: $3,400,000. Buyer: Elizabeth Brown & Theodore Gitner....