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Data and Lot Information
The Department of Finance (DOF) collects more than $35.8 billion in revenue for the City and values more than one million properties worth a total market value of $1.1 trillion. Large amounts of property data are collected and made available through this website.
The City Register records and maintains all official documents related to real estate, including deeds, mortgages and leases, and 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 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