Nicholas C. Kottak and Sanida Kottak bought a five-bedroom, 2.5-bath home at 1840 Ontario Place N.W. in Washington, D.C. from Gloria B. Cabe for $830,000 on Nov. 4.

The 2,207-square-foot house was built in 1909 in the Lanier Heights neighborhood

Mr. Kottak is principal for Ethnographic Solutions LLC, a market research and brand strategy consulting firm.

He previously was a senior consultant with GfK V2.

He received his B.S. in anthropology from Columbia University in New York and completed his Ph.D. in cultural and psychological anthropology at Emory University.

Ms. Kottak is a lawyer who has practiced in New York. She is a member of the New York State Bar Association.

She received her J.D. from the Emory University School of Law.

Cabe is managing director of internal operations with James Lee Witt Associates LLC.

She previously was vice president and chief operating officer for the Corporate Council on Africa, and was a senior adviser for the U.S. State Department. She also has been counselor to the chair and board of directors for the Export-Import Bank.

According to BlockShopper.com, there have been 4,200 home sales in Washington, D.C. during the past 12 months, with a median sales price of $370,000.

Address: 1840 Ontario Place NW
Buyer(s): Sanida Halebic and Nicholas C Kottak
Seller(s): Gloria B Cabe and B Cabe Gloria (Revocable Trust)
Sale date: Nov. 4, 2009