1. BBL Lookup (DOF)
    Borough-Block-Lot (BBL) or parcel numbers identify the location of buildings or properties. This number can be very useful for multiple databases available on the web.
  2. Buildings Information System/BIS (DOB)
    DOB’s Buildings Information System provides users the ability to search for general information on a built property in the city including certificates of occupancy, recorded complaints and violations, actions, applications, and inspections.


  1. Digital Tax Maps (DOF)
    The official tax maps for the City of New York are maintained by the Department of Finance Tax Map Office. Tax maps show the lot lines, the block and lot numbers, the street names, lot dimensions, and easements. The maps can be navigated either by entering a specific location or simply using zoom and scroll tools, similar to other online map applications.
  2. NYC City Map (DoITT)
    NYCityMap is New York City’s online map portal. The application provides a wealth of information including the locations of schools, day care centers, senior centers, libraries, hospitals, subways, and more, as well as links to Web sites for these facilities. This page is also a single access point to many of the numerous location-based applications on such as online property, building, statistics, and census information.
  3. ZoLa Map (DCP)
    Created by the Department of City Planning (DCP), this map provides a simple way to research zoning regulations in New York City. You can find the zoning for your property, discover new proposals for your neighborhood and learn where City Planning initiatives apply throughout New York City.


  1. NYC Zoning Resolution (DCP)
    The text of the Zoning Resolution consists of 13 articles that establish zoning districts and set forth the regulations governing land use and development. Amendments and text changes that are approved by the City Council are posted to the online version of the Resolution.
  2. Zoning Map Finder (DCP)
    The set of 126 zoning maps, part of the Zoning Resolution, show the boundaries of zoning districts throughout the city. The maps are regularly updated after the City Planning Commission and the City Council have approved proposed zoning changes.


  1. NYCProperty (DOF)
    Property tax bills show tax charges, exemptions, abatements, and any credits you may have on your property. Bills are posted on the online property information system, and can be searched for using your BBL (Borough-Block-Lot ) number.
  2. Tax Lien Sales (DOF)
    The Department of Finance maintains a webpage within their website describing the City’s process and protocol of selling tax liens from unpaid property taxes, water charges, and other charges against property, and how to avoid the lien sale.


  1. Automated City Register Information System/ACRIS (DOF)
    The Automated City Register Information System (ACRIS) allows you to search property records and view document images for Manhattan, Queens, Bronx, and Brooklyn from 1966 to the present. Documents filed before 1966 can be searched for and reviewed at the City Register Business Office in the borough where the document was recorded/filed.
  2. Richmond County Real Property Official Records Search
    Like ACRIS, the Office of the Richmond County Clerk provides data and information on their website of property records, but limited to properties within Richmond County. Access is free, however you must become a registered user in order to utilize the site.


  1. DCAS Managed Buildings
    Asset Management is responsible for maintaining one of the most extensive and prestigious public building portfolios in the country. Included in this portfolio are office buildings and courthouses, many of them designated historic landmarks. Asset Management manages the daily maintenance and operation and oversees any repairs to these buildings.
  2. City-owned and Leased Property/LL48 (NYC Open Data)
    This dataset, located on NYC Open Data, is a comprehensive listing of all real property owned or leased by the city, pursuant to the requirements of Local Law 48 of 2011, which required the Department of Citywide Administrative Services to report the status of such properties on a biannual basis.
  3. GreenThumb Gardens
    Interested in starting a GreenThumb garden? Here you can find a step-by-step process to start your own new community garden in a city-owned vacant lot!


  1. NYC Housing Connect
    Through Housing Connect, you can view housing lotteries that are currently accepting applications, create and update your account profile, and submit applications to lotteries for which you may qualify.
  2. File a Housing Complaint
    By law, your landlord must keep your apartment unit and building in safe and sanitary condition and conduct needed repairs in a timely manner. The City will issue violations to owners who do not properly maintain the property. Through 311 online, your complaint will go directly to HPD for processing.

This Asset Management page was developed by the Department of Citywide Administrative Services (“DCAS”) of the City of New York (the “City”) and is provided solely for informational purposes. The DCAS and the City make no representations as to the accuracy of the information provided herein or to its suitability for any purpose. DCAS and the City disclaim any liability for errors that may be contained herein and shall not be responsible for any damages consequential or actual, arising out of or in connection with the use of this information. DCAS and the City make no warranties, express or implied, including, but not limited to, implied warranties of merchantability and fitness for a particular purpose as to the quality, content, accuracy, or completeness of the information, text graphics, links and other items contained within this page.