Hopson-Swan Estate is a national historic district and estate located at Sparkill in Rockland County, New York. It encompasses three contributing buildings and one contributing structure. The district is located within the boundaries of Tallman Mountain State Park and was acquired by the Palisades Interstate Park Commission in 1947. The estate was developed between about 1850 and 1920. The house is a 1 1⁄2-story frame house on a stone foundation.
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