aggregate, since they were widely available around the country. The Estabrooks chose the Rosendale cement-grout mixture along with coarse local gravel since it was locally available and had proven more durable. Ezra Estabrook kept a diary during construction, in which he records pouring as much as one foot (25 cm) a day of the mixture between wooden forms. His descendants lived in the house for almost a century, until 1943. There have been very few alterations to the interior. It is one of the few surviving octagon houses built as Fowler had originally intended. Today the home has been converted from residential to the home of Marker's Octagon Realty, which caterers to the Hoosick Falls area. See also List of octagon houses National Register of Historic Places listings in Rensselaer County, New York References Houses completed in 1853 National Register of Historic Places in Rensselaer County, New York Octagon houses in New York (state) Houses on the National Register of Historic Places in New York (state) Hoosick Falls, New York Houses in Rensselaer County, New York