Police say a woman was found dead in a vehicle at a residence on Dorothy Heights in Wappinger on Wednesday afternoon.
Victoria Bell, who had recently moved from Florida, was pronounced dead at the scene.
A 56-year-old man from Sebastian, Florida, is now being charged with the manslaughter.
David Osterhoudt was remanded at the Dutchess County Jail.
A cause of death and motive have not been revealed.