RKF Engineering Solutions, LLC is located at 1229 19^th Street NW, Washington DC 20036 in an historic red brick townhouse. At the SE corner of 19^th & N Streets NW, RKF is one block south of the Dupont Circle Red Line station near Embassy Row.

Our historic building was built in 1880 and was leased to President Roosevelt from 1897 to 1898 during his tenure as Secretary of the Navy. The home was purchased in 1901 by New York Senator Chauncey M. Depew as a wedding gift to his daughter and was subsequently purchased by fabled Supreme Court justice Pierce Butler in 1924. Located within the Dupont Circle Historic District, the property has been endowed with limitations as to any alteration of its appearance, ensuring that its look will remain as it did upon completion of the early 20^th Century renovation.

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