421 Knottwood Ct, Arnold, MD 21012 is on the street of Knottwood Ct, in the city of Arnold, Maryland. It is in the zip code of MD 21012.

421 Knottwood Ct, Arnold, MD 21012 is a Single Family home.
It has , 2.5 bathrooms, proximately 1,340 square feet floor sizeIt was built in 1984. It has 2 stories.It was last sold in Nov 2004 for $190,000.