The first rape happened on October 13 at 3 a.m. near Merrick Boulevard.
Police say the suspect grabbed the 20-year-old victim from behind, forced her behind a dumpster at the location and raped her.
The second rape happened on November 15 at 1 a.m. near 142nd Street.
In that incident, police say the suspect stated to the 27-year-old victim that he had a gun before forcibly raping her.
The third incident, which was caught on surveillance video, took place on December 7 at 2 a.m. near 154th Street.
The video shows the suspect walking up behind the woman and placing a sharp object to her back. Police say he then pulled her behind a residence and attempted to rape her. She fought back and was able to escape.
The suspect is described as a black man between the ages of 25 and 30. He is approximately 5-foot-5 and weighs about 220 pounds.
He was last seen wearing a black pull over hooded sweatshirt and a white and blue striped scarf.
Anyone with information in regards to any of these incidents is asked to call the NYPD's Crime Stoppers Hotline at 800-577-TIPS.