Mark Costello is a 1994 graduate of the University of Georgia. Mark has extensive sales experience and has owned his own business for the past 15 years. Mark realizes that even though the land business has changed considerably in recent years, hard work is sill the best way to get results for his clients. Whether you want a listing agent who will work diligently to sell your property or if you re looking for the perfect piece of land, Mark will help you realize your goals.