Blackwell House

Blackwell House is a historic house on Roosevelt Island in New York City. The house's name comes from Jacob Blackwell, who built the house in 1796. He was the great-grandson of Robert Blackwell, who in 1686 took ownership of what was then known as Manning's Island and subsequently became the island's new namesake.[2] The house was added to the National Register of Historic Places in 1972.[1]

In 2010

Blackwell House
U.S. National Register of Historic Places
New York State Register of Historic Places
New York City Landmark No. 0912
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Location	Roosevelt Island, New York, New York
Coordinates	40°45′37″N 73°57′4″W
Built	1796
NRHP reference No.	72000862[1]
NYSRHP No.	06101.000498
NYCL No.	0912
Significant dates
Added to NRHP	February 25, 1972
Designated NYSRHP	June 23, 1980
Designated NYCL	March 23, 1976