Smith Estate (Ridge, New York)

Smith Estate
U.S. National Register of Historic Places
The Longwood Estate, in Ridge, New York, one of many structures on the Smith Estate property.
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Nearest city	Ridge, New York
Coordinates	40°52′5″N 72°54′24″W / 40.86806°N 72.90667°W / 40.86806; -72.90667Coordinates: 40°52′5″N 72°54′24″W / 40.86806°N 72.90667°W / 40.86806; -72.90667
Area	35 acres (14 ha)
Built	1790
Architectural style	Colonial Revival, Gothic
NRHP Reference #	81000414
Added to NRHP	December 10, 1981

Smith Estate, also known as Longwood Estate - Smith House, is a historic estate located at Ridge in Suffolk County, New York. It is preserved and maintained by the Town of Brookhaven. The Longwood Estate is part of a huge parcel of land originally purchased by William "Tangier" Smith in the 17th century, which he called Manor St. George. The estate consists of a large, late 18th century main house (altered and enlarged during the 19th century), caretaker's cottage, a farm complex (of barns and sheds dating from the late 18th through early 20th centuries), the Smith family cemetery, and a small frame schoolhouse moved to the property in 1977.

It was added to the National Register of Historic Places in 1981.