According to police, at around 7:11 p.m., an officer was alerted to an unresponsive man at Crawford Manor at 90 Park Street.
Fire crews then responded to the scene and pronounced the 54-year-old New Haven man dead.
The Homicide Unit, as well as the Bureau of Identification, processed the scene.
The homicide remains under investigation at this time. Anyone with information is urged to contact detectives at 203-946-6304.