Located in Northwest Maine, 3,557-square-mile Penobscot County is one of the ten biggest counties in the state. Recent listings of undeveloped land for sale in Maine's Penobscot County totals nearly 8,000 acres and a combined market value of about $39 million. By overall acreage, house is the most common type of land for sale in Penobscot County. The average price of undeveloped acreage for sale in Penobscot County was $174,917. Some suggested uses for undeveloped land currently for sale in Penobscot County include for hunting/fishing, commercial, and homestead use. Some common wildlife species to be found on undeveloped land for sale in Penobscot County include turkey, grouse, bear, moose, whitetail deer and deer. Current commercial applications for commercial property for sale in Penobscot County include for hunting/fishing, commercial and homestead use. Browse all Maine undeveloped acreage for sale on the Land Network to find your next commercial property or land investment.