Asking price: $7,900,000Size: 5-bed, 6-bath, 7,964-square-foot single-family home

Price per square foot: $992

The skinny: This Embassy Row listing is not only the most expensive home on this list, it's also one of the most expensive homes on the market in all of Washington, D.C. The property was constructed in c. 1907 by George Totten, Jr., one of the city's most prolific architects. His mansions can be seen in various places in the Northwest quadrant, such as Dupont Circle, Kalorama, and 16th Street NW. Many of his works serve as embassies, chanceries, or offices. When the U.S. Capitol building was remodeled, Totten served as an advisor to the project. Currently, the home is undergoing a three-phase renovation.

Asking price: $5,900,000Size: 6-bed, 6.5-bath, 4,901-square-foot single-family home

Price per square foot: $1,204

The skinny: This listing, known as the Waddy Wood mansion, was renovated in 2014 by architect Christian Zapatka. This architect specializes in residential architecture in the D.C. Metro area with works that have been featured in The Washington Post, Washingtonian, and Architecture DC. Zapatka apprenticed under Michael Graves for two years and is a member of the American Institute of Architects. This home is sleek and modern with glass and wood accents as well as built-ins and a rear patio.

Asking price: $5,500,000 Size: 7-bed, 7.5-bath, 6,560-square-foot single-family home

Price per square foot: $838

The skinny: Joseph Coerten Hornblower constructed this five-story property in c. 1897. Hornblower was known for his partnership with James Rush Marshall in a firm called Hornblower & Marshall. Some of the works this firm was known for in the early 20th century include the National Museum of Natural History, Fraser Mansion, and U.S. Custom House in Baltimore. In this building, there are three separate apartments as well as a rooftop deck. There is also a private garden that leads to four off-street parking spaces.

Asking price: $4,250,000 Size: 8-bed, 7-bath, 8,091-square-foot townhome

Price per square foot: $525

The skinny: In a previous life, this listing was the Embassy of Georgia. Wyeth & Cresson, the same firm behind the West Wing of The White House, is behind the construction of the c. 1911-built townhome. Other creations accomplished by Wyeth & Cresson include the Francis Scott Key Bridge, the D.C. Armory, and a myriad of embassies, including the Embassy of Kenya, the Embassy of Venezuela, and the Embassy of Zambia.

Asking price: $3,595,000 Size: 6-bed, 6-bath, 6,610-square-foot single-family home

Price per square foot: $544

The skinny: This is the most newly built home on this list, constructed in 2015 by Washington, D.C.-based Jones & Boer Architects. This architecture firm is known for a variety of residential homes in the D.C. Metro area, such as this stunning Georgian manor in Potomac, Maryland and this stony farmhouse in McLean, Virginia. This firm has won a variety of American Institute of Architect awards. For this listing, there are highlights like a free-standing tub, built-ins, and recessed lighting.

Asking price: $3,399,000 Size: 4-bed, 3-bath, 3,500-square-foot single-family home

Price per square foot: $971

The skinny: Travis Price is a Washington, D.C.-based architect known for creating homes that tend to be on the odd side. He has designed shipping container homes, this misshapen oddball in McLean, and the Forest Hills single-family home you see before you. This home might be his most daring as it does something most residences don't. It floats. The structure is held up by steel columns and anchored by steel rods. It also features a glass bridge, wood-burning stove, and spiral staircase.

Asking price: $1,095,000 Size: 2-bed, 2-bath, 1,800-square-foot condo

Price per square foot: $608

Monthly HOA Dues: $929

The skinny: Once again, Robert Gurney makes an appearance on this list, this time with a renovated condo in The Wyoming. This c. 1910-built building has housed residents like U.S. President Dwight Eisenhower, activist and author Betty Friedan, and newscaster George Stephanopoulos. To spruce up the outdated interior, Gurney added stainless steel appliances, a modern open floor plan, and wood accents. The unit also features central air conditioning and a washer and dryer. Rental parking options are also available.

Asking price: $997,000 Size: 2-bed, 2-bath, 1,700-square-foot co-op

Price per square foot: $586

Monthly HOA Dues: $1,399

The skinny: This development, known as The Presidential, was constructed around 1932 and later converted into co-ops in 1959. The architect behind the building was Appleton P. Clark, Jr. Clark is responsible for hundreds of buildings in the D.C. Metro area, from the Embassy of Syria to the Christian Heurich Mansion. His designs ranged far and wide, from residences to commercial properties to churches to hotels.