NULL Of 254 counties in the Lone Star State, Harrison County ranks 134th in terms of size (915 square miles). Harrison County is in Piney Woods North Texas. Texas's Harrison County includes about 1,000 acres of riverfront land for sale based on recent Land Network data. The combined market value of land and rural real estate for sale here was around $1 million. Browse all waterfront property for sale in Harrison County on the Land Network to find the marina, lakefront and other recreational property that meets your needs, from waterside land perfect as a retirement investment to existing residential waterfront land and property for hunting, fishing and other outdoor-recreation pursuits! The most common type of land for sale by combined acreage in Harrison County is residential property.