If this is a Jersey City property, I would recommend that you stop by the Assessor's Office at 280 Grove Street RM 116. They should be able to provide proper guidance. Good luck.
Allen Gradin, Agent
Remax Villa Realtors, Jersey City
You as the new owner must file the paper work with the city so that they may grant/file the abatement.
Here is the office number for you to call: