Of 100 counties in the Tar Heel State, Harnett County ranks 27th in terms of size (601 square miles). Harnett County is in Piedmont North Carolina. Recent Land Network data includes roughly 1,000 acres of recreational land and property for sale in North Carolina's Harnett County, which is valued at a combined $980,000. Browse all recreational property for sale in Harnett 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. The most common type of land for sale by combined acreage in Harnett County is residential property.