Police say the newborn girl was found in the courtyard of a building on St. Lawrence Avenue around 11:15 a.m.
The child was discovered by a building worker. She was unconscious and unresponsive with the umbilical cord still attached.
The contractor then notified the building superintendent, who told Eyewitness News that he wish he had known sooner.
"I was like crazy because they say the baby was there for almost three or four days and the baby was next to my living room," said the building superintendent named Carlos. "I could have literally looked out the window and saw the baby."
EMS pronounced her dead at the scene and the Medical Examiner will determine her cause of death.
Detectives have been talking with people who live in the building and asking tenants if they knew of anyone living there that was recently pregnant.
Residents said they are in shock.
"Why not take the baby to church, you don't want the baby, take it to church or for somebody to come take care of the baby," one resident said.
The law allows a parent to drop a baby at a hospital or staffed police or fire station without having to give a name.
According to police sources, officers believe a teenage girl, who was hiding that she was pregnant, gave birth at the building and dumped the baby in the back. It's an area that is apparently hard to get to.
So far no arrests have been made.
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