Suffolk County is in Northeast Massachusetts. Of the 14 counties in the Bay State, Suffolk County ranks 14th in terms of size (120 square miles). Recent listings of residential land for sale in Suffolk County, Massachusetts, totals around 300,000 acres and a combined market value of nearly $5 million. By overall acreage, residential property is the most common type of land for sale in Suffolk County. The average price of residential acreage for sale in Suffolk County was $414,500. Browse all residential land and rural property for sale in Massachusetts 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.