How do I file a quiet title action in nj

Well first is a list of what ifs

Why do you want or believe you need one?

Have you done a complete title search to see if all parties that need to be listed for quiet title are listed.

Have you tried to contact the people in question and get them to sign releases. Or heirs of people if they are passed ?

But honestly best way, since you will need a formal title search anyway, is to use a title attorney to file the motions and present the searches in court.