 It is one of the most distinctive Hudson Valley buildings in the Second Empire architectural style, and was added to the National Register of Historic Places in 1982.Francis Timoney, an Irish immigrant, built the house in 1889 of bricks his three yards had made from clay found along the east bank of the Hudson River just below it.The nearby New York Central Water Level Route gave him and the other brickmakers in the area easy access to New York City and other area markets, allowing him to do well enough to build the estate.