The attack happened at 2:00 in the morning last Thursday, September 8.
A man wearing a dark-colored suit grabbed the 23-year-old woman from behind as she entered her apartment building.
Police say the suspect physically and sexually assaulted the woman.
She was treated at an area hospital and released.
He suspect is described as an Hispanic man, around 35 years old, 5'7" to 5'8" tall, and 180 pounds with a thin build.
Anyone with information is asked to call the NYPD's Crime Stoppers Hotline at 800-577-TIPS.
You can also submit their tips by logging onto the Crime Stoppers Website at www.nypdcrimestoppers.com or by texting tips to 274637(CRIMES) then enter TIP577.