Located in Puget Sound Washington, 2,504-square-mile Whatcom County is one of the ten biggest counties in the Evergreen State. There is roughly 1,000 acres of residential land and property for sale in Whatcom County, Washington, based on recent Land Network data. The combined market value of farms and ranches for sale here is around $31 million. The average price of residential acreage for sale in Whatcom County was $1 million. Browse all residential land and rural property for sale in Washington to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.