A deed of trust is a legal document that is the security for a real estate loan. You can search for property records and property ownership information online, in person, or over the phone with a 311 representative.Checklist and recording requirements for different types of documents recorded with the Clerk's Office. Record or search deeds, mortgages and other property records of Westchester County. Automated City Register Information System (ACRIS). Is it permissible to specify a later maturity date on the deed of trust than stated on the note for which the deed of trust is collateral? Welcome to Nassau County Land Records Official Records Search. If you need the complete legal description, you may need to locate deeds that reference the property. Finding Recording Numbers. How do I obtain the deed book and page number for a document recorded in the Land Records Division?