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One Of DC's Oldest Homes Sells For South Of $10 Million

  • October 27th 2025

by UrbanTurf Staff

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Prospect House

One of the oldest residential properties in DC just traded hands. 

Prospect House, an eight-bedroom 9,000 square-foot home at 3508 Prospect Street NW (map) in Georgetown, sold last week for $9.82 million. The home was originally listed for $12.5 million with Kimberly Gibson and Eileen McGrath of Washington Fine Properties, and was one of the priciest homes on the market in Georgetown. Daniel Heider of TTR Sotheby's represented the buyer. 

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Click to enlarge.

Prospect House, thought to have been designed by U.S. Capitol architect William Thornton, has quite a storied history. Built between 1787 and 1793, the home served as the guest house for The White House during President Truman's administration, and has played host to Marquis de Lafayette, the Shah of Iran, the President of France, and the poet Robert Frost over the years.

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The watch tower.

The listing has a number of bells and whistles, including a banquet-sized dining room, a parlor with two fireplaces, a swimming pool, a three-car garage and a watch tower where "the early owners watched his boats come into Georgetown Harbor," according to the listing description. 

Photos by Joe Hodgson of Homesite.

See other articles related to: georgetown

This article originally published at https://dc.urbanturf.com/articles/blog/one_of_dcs_oldest_homes_sells_for_south_of_10_million/24003.

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