According to authorities, the duo knocked on the victim's door just after 8 a.m. on November 6 at an apartment building on West 145th Street and Edgecombe Avenue.
When the man opened the door for the suspects, one displayed a gun and demanded the victim's money and cellphone while the other stood as a lookout.
The man gave the suspects $270 in cash and his phone and the men took off on foot.
The victim was not hurt in the robbery.
Police describe both suspects as medium-skinned men. The gunman was last seen wearing a dark-colored hoodie, dark-colored pants, and white sneakers, while the other was last seen wearing a red hooded jacket, gray pants, and black shoes.