WASHINGTON — A 24,000-square-foot mansion on 5.5 acres in Great Falls, Virginia, called “Le Chateau de Lumiere” topped residential real estate sales in the D.C. region in February, selling for $12 million.

According to listing service MRIS, the newly constructed mansion, with eight bedrooms and 13 baths, sold for $2 million less than its listing price.

The 10 most expensive residential sales in the D.C. region ranged from $3.6 million to $12 million.

Seven of the 10 most expensive sales were in the District. Great Falls, Virginia; Chevy Chase, Maryland; and Potomac, Maryland, each had one of the 10 most expensive sales.

Click through the slideshow to see the 10 expensive residential sales in the D.C. metro area in February, courtesy of MRIS.