Of eight counties in the Nutmeg State, 862-square-mile New Haven County ranks second by size. New Haven County is in the Greater New Haven Connecticut region. The most common type of land for sale by combined acreage in New Haven County is house. Browse all recreational property for sale in New Haven County to find the recreational tract that suits your lifestyle needs, from hunting and fishing properties for the outdoor enthusiast to undeveloped acreage ready for future residential-property development.