Data and Lot Information

Department of Finance


Property Tax BillsBenefitsAssessmentsTax Maps


Data and lot information

Quick links

Your property notices

Property sales data

Co-op and condo comparable valuations

Deeds & mortgage docs

Digital tax maps

Your exemptions & abatements

Large amounts of property data collected by the Department of Finance are made available through this website.

The City Register records and maintains all official documents related to real estate, including deeds, mortgages, and leases. The City Register has offices in every borough except for Staten Island, where the Office of the County Clerk provides these functions. All of the City Register’s records back to 1966 are maintained online in the Automated City Register Information System (ACRIS). The City Register collects the real property transfer tax (RPTT) and mortgage recording tax when documents are submitted for recording.

The Property Division is responsible for maintaining the official tax maps of New York City.

The Property Division is responsible for maintaining the official tax maps of New York City. The City Register collects Real Property Transfer Tax (RPTT) and Mortgage Recording Tax when documents are submitted for recording.

Deed fraud alert!

Dividing and merging lots

Recording property documents