Nabil A. Mohamad and Elizabeth H. Campbell bought a three-bedroom, one-bath townhome at 4120 13th St. N.W. in Washington from Carmen Mendez De Mamani and Silvio Mamani for $420,000 on Sept. 23.

The 1,388-square-foot townhouse was built in 1926 in the Columbia Heights neighborhood.

Mohamad is the organizing director of American-Arab Anti-Discrimination Committee

According to BlockShopper.com, there were 4,155 home sales in Washington in 2008, with a median sales price of $375,000.

Address: 4120 13th Street NW
Buyer(s): Elizabeth H Campbell and Nabil A Mohamad
Seller(s): Carmen Mendez DeMamani and Silvio Mamani
Sale date: Sep. 23, 2009