Of 10 counties in the Granite State, 1,830-square-mile Coos County ranks first by size. Coos County is in the North New Hampshire region. There is 3,000 acres of undeveloped land for sale in Coos County, New Hampshire, based on recent Land Network data. The combined market value of land and rural real estate for sale here is roughly $23 million. The average price of undeveloped acreage for sale in Coos County was $196,703. Some suggested uses for undeveloped land currently for sale in Coos County include for commercial, hunting/fishing, and homestead use. Some common wildlife species to be found on undeveloped land for sale in Coos County include ducks, grouse, whitetail deer, bear, turkey and moose. Current commercial applications for commercial property for sale in Coos County include for commercial, hunting/fishing and homestead use. Browse all New Hampshire undeveloped land for sale on the Land Network to find your next commercial property or land investment.