It happened Wednesday at 4:30 a.m. in Washington Heights.
Police say the man followed the 24-year-old woman into her apartment building and forced his way into her apartment.
Once inside the apartment the suspect grabbed the victim around her neck and instructed her to get undressed.
When the victim refused, he ran away.
The suspect is described as a black male, in his 30's, 5'10"-6'0" tall, and bald.
Anyone with information in regards to this incident is asked to call Crime Stoppers at 1-800-577-TIPS (8477).
You can also submit their tips by logging onto the Crime Stoppers website at WWW.NYPDCRIMESTOPPERS.COM or by texting your tips to 274637 (CRIMES) and then entering TIP577.
All calls are strictly confidential.