Single Family Home for sale by owner in O Brien, FL 32071. 1993 mobile home, with a 2 bedroom addition on 2.2 acres in country. 10x20 porch with roof. 2 car carport. new roof. new appliances dishwasher. washer and dryer. new well. new septic. new power pole. new well. some landscaping.... See site for full property details.