Gregory L. Kammerer sold a one-bedroom, one-bath condo at 644 Massachusetts Ave. N.E. in Washington to Frances S. Sellers and Mortimer N. Sellers for $285,000 on Sept. 25.

The 583-square-foot condo Unit #00504 was built in 1924 in the Capitol Hill North neighborhood.

Kammerer is a legislative assistant for the U.S. Army.

He previously was the acting military legislative assistant to Sen. John Cornyn of Texas.

According to BlockShopper.com, there were 182 condo sales in Washington in 2008, with a median price of $307,450.

Address: 644 Massachusetts Av NE, Unit: 504
Buyer(s): Frances S Sellers and Mortimer N Sellers
Seller(s): Gregory L Kammerer
Sale date: Sep. 25, 2009