FINDING YOUR TAX MAP NUMBER Don't know your tax map number? Your property tax bill has it listed, or call your local Assessor's office for the information.
Public Land Records: Visit your local courthouse or land records office to access public land records, which can include maps and surveys of the area. Using these resources, you should be able to gather enough information to understand your property lines without incurring costs.
Property records are public. People may use these records for background information on purchases, mortgages, asset searches, and other legal and financial transactions. Reviewing these documents is not necessarily the same as a title search.
Call the ACRIS Help Line at (212) 487-6300 for assistance or Email the ACRIS Help Desk. Contact the Division of Land Records. Historical index data is also available for download by special request to the City Register. An active subscription to download this data is not required.
(Please contact the Richmond County Clerk for properties in Staten Island.) Property records are public.
ACRIS stands for Automated City Register Information System (ACRIS). It's primarily a database of the property records (which are public) for all commercial and residential properties in NYC's four boroughs: the Bronx, Brooklyn, Manhattan, and Queens. Staten Island is not part of ACRIS.
Using tools like the Building Information System (BIS) and the DOB NOW Public Portal, you can review the history of any building in New York City. You can find violations, permits and complaints that were reported. The building history also shows the current status of the information as active or resolved.
Call 311 or 212-NEW-YORK (212-639-9675) for help. You can request a certified or uncertified copy of property records online or in person.