Sgt. Anthony Chodan, a biologist, rescued the snake from Pine Street March 27, police said on Facebook.
The snake was identified as a pet and adopted out to a family in Jackson, Elizabeth police told Daily Voice.
"Citizens should NOT dump their pets," Elizabeth police wrote, noting residents can be connected with rescue organizations.
Police would not comment further on the situation.
Click here to follow Daily Voice Parsippany-Troy Hills and receive free news updates.