Police were called to 270 Main Street, the former Armory building, around 7:40 a.m. and found the woman's body lying in the driveway under a pile of trash.
The Medical Examiner will work to determine the cause of death.
The woman's identity has not been released.
Anyone with information is asked to contact the New Rochelle Police Department's General Investigation's Unit at (914) 654-2270.
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