You can search for, get copies of, or update property ownership records, such as deeds and mortgages. A deed is often referred to as a title.The Property Block and Lot number are required for filing Property Liens. See Link below for NYC Dept. Posting Under Environmental Conservation Law. Posted sign on a tree in a field. Apply to the NYS Department of Taxation and Finance for a sales tax Certificate of Authority. Licensing and Permitting. In General Where to Sue Starting the Case Electronic Filing Notifying the Defendant Preparing for Court. A neighbor put up signs on their property that say "no trespassing" or "private property"?