Grayson County is in Texoma Texas. Of the 254 counties in the Lone Star State, Grayson County is 88th in terms of its size (979 square miles). Recent listings of timberland for sale in Grayson County, Texas, totals almost 1,000 acres and a combined market value of approximately $3 million. The most common type of land for sale by combined acreage in Grayson County is residential property. The average price of planted forestland for sale in Grayson County was $694,543. Browse all Texas forest and timberland for sale on the Land Network to find the right timberland acreage for your commercial or individual investment needs.