The NYPD announced the additional money from the mayor's office late Tuesday, which brings the law enforcement reward total to $35,000.
On Aug. 12, the Uniformed Firefighters Association added $5,000 to the reward, which began at $2,500 after Vetrano was murdered Aug. 2 while she was jogging alone. Her father, Phil Vetrano, is a retired firefighter.
The Vetrano family's separate reward fundraiser, which they launched two weeks ago, is currently at $264,689. More than 3,780 people donated money to help find the killer.
"These funds are the only thing that we feel we can do to encourage anyone with information to come forward with something that will lead to an arrest," the organizers wrote.
"We need your help in bringing this vicious animal to face the most [severe] punishment allowable by law."