Authorities say the Pound Ridge homeowner discovered the body of Matthew Klein, 62, of Stamford, next to a vehicle in the driveway around 7 p.m. Saturday.
Klein was the subject of a missing person bulletin from the State of Connecticut. There were no signs of foul play at the scene and the cause and manner of death are pending autopsy.
WABC-TV reports the deceased man did not live at the home, which was recently listed for sale at $2.2 million. New York State Police did not say how the man died, but they say there were no signs of foul play.
An autopsy is scheduled to determine the man's manner and cause of death.
An investigation continues.