Dr. Christopher R. Cote and Tanya G. Cote sold a four-bedroom, 2.5-bath home at 14904 Keeneland Circle in North Potomac to Benjamin L. Katz for $515,000 on Oct. 5.

The Cotes paid $499,990 for the property in July 2004. The 1,740-square-foot house was built in 1984 in the North Potomac West of Dufief Mill Road neighborhood.

Dr. Cote is an otolaryngologist in Washington, D.C.

He earned his medical degree from the Tufts University School of Medicine and completed his residency at the Uniform Services Health Science University.

According to BlockShopper.com, there have been 121 home sales in North Potomac during the past 12 months, with a median sales price of $601,500.

Address: 14904 Keeneland Circle
Buyer(s): Christopher R Cote and Tanya G Cote
Seller(s): Bin Chen and Ning Qiu
Sale date: Jul. 30, 2004