Horatio Gates Onderdonk House, Greek Revival mansion in Manhasset, United States
The Horatio Gates Onderdonk House is a two-story Greek Revival mansion in Manhasset featuring four Doric columns supporting a prominent front portico. The structure displays a central mass with one-story wings extending from each side, following the design conventions of country estates from this period.
Judge Horatio Gates Onderdonk built this house in 1836 after completing his law studies at Columbia College and establishing his legal practice in Kings County. The residence was constructed during a period when prosperous lawyers were moving from the city to developing suburban areas.
The mansion reflects the architectural choices of wealthy New York lawyers who built country estates along Northern Boulevard in the 1830s. These homes displayed the owners' social standing and shaped the character of the developing community.
The house sits along Northern Boulevard and is maintained by the Strathmore Association. Visitors interested in learning more about the building and its community can explore resources at the Manhasset Public Library History Center.
In the 1930s, Levitt and Sons purchased the property and used the house as an office for their construction work in the area. The building survived the massive development that transformed its surroundings, remaining as a historical reminder from an earlier era.
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