Single Family Home for sale by owner in Jefferson, MD 21755. Three bedroom Colonial in Copperfield, Jefferson, MD a very desirable neighborhood. Built 1994. Partial brick front and porch. Hardwood flooring in foyer, hallways, stairs to top level. Appraised at $333,000 January 2010. Public sewer and water. Lot size 12,150 sq. feet/.28 acre ... more.