Sold price: $10.4 million
Date sold: September 8
Size: Seven-bedroom, eight-bathroom single-family home
Price per square foot: N/A
The skinny: Behold, the most expensive home sold in Washington, D.C. in 2016. Previously, this property was owned by Paul Mellon, the primary benefactor of the National Gallery of Art, and his wife, Bunny, who was also a horticulturalist, philanthropist, and art collector.

Sold price: $9.1 million
Date sold: May 16
Size: Six-bedroom, 10-bathroom single-family home
Price per square foot: N/A
The skinny: Along with a swimming pool and two-bedroom guest house, this property also boasts a little over an acre of land, beamed ceilings, and multiple fireplaces. It last sold in 2012 for $4,247,500.

Sold price: $7.1 million
Date sold: August 16
Size: Six-bedroom, nine-bathroom, 8,820-square-foot single-family home
Price per square foot: $804
The skinny: This Kalorama single-family home is the oldest residence in the nation's capital, constructed in 1754. Originally, it was built in Danvers, Massachusetts as a grand summer home for a leading shipowner and merchant, known as Robert "King" Hooper. When the home was relocated to D.C., it was dismantled piece by piece and shipped over the course of three years. Some of the most striking features inside include a tavern room, scenic wall coverings printed in France, and Hancock staircase and carved balustrade. It first landed on the market in October 2015 for $10.5 million.

Sold price: $6 million
Date sold: April 20
Size: Seven-bedroom, five-bathroom, 8,840-square-foot single-family home
Price per square foot: $678
The skinny: In c. 1870, this property was constructed. Still, it retails details like wainscoting, crown molding, and a library with wood-paneling and built-in bookshelves. One of the previous owners of this listing was U.S. Senator Robert Taft, the son of 27th U.S. President and tenth Chief Justice William Taft.

Sold price: $5.8 million
Date sold: January 26
Size: Six-bedroom, eight-bathroom, 9,710-square-foot single-family home
Price per square foot: $597
The skinny: When this Tudor single-family home landed on the market in 2008, it asked $8.3 million. Since then, it languished and finally sold this year for roughly $3 million less. According to this Curbed DC article published in 2012, the property was built in 1929 and houses a gym, wine cellar, motor court, and au-pair room.

Sold price: $5.7 million
Date sold: October 14
Size: Seven-bedroom, nine-bathroom, 7,250-square-foot single-family home
Price per square foot: $786
The skinny: With views of Battery Kemble Park, this Kent mansion sold with an outdoor pool, cobblestone motor court, and spa area. The previous owners included Nancy Rubin, the former U.S. Ambassador to the United Nations Commission on Human Rights, and Miles Rubin, who founded Miles Electric Vehicles in 2004. When it landed on the market in October 2015, it asked $7.35 million.

Sold price: $5.25 million
Date sold: August 2
Size: Five-bedroom, six-bathroom single-family home
Price per square foot: N/A
The skinny: Originally, this single-family home listed in May 2014 for $7.5 million. After over two years on the market, it sold this year for $2 million less than the original price. According to the listing, this property was constructed in 1933 on a roughly half-acre lot and design features like hand-hewn beamed ceilings, multiple fireplaces, and porte-cochère entrance.

Sold price: $5.05 million
Date sold: May 27
Size: Five-bedroom, five-bathroom, 6,350-square-foot single-family home
Price per square foot: $795
The skinny: Along with a two-story great room, other highlights to this listing include its two parking spaces and multiple sets of French doors that open to a garden and outdoor pool.