Community Resource Guide


The Department of Finance has created the Automated City Register Information System (ACRIS) that allows users to look up property records and transactions on specific properties searching by block and lot number, or do research on a particular party name. Mortgage and deed transactions are posted, and many include scanned images of the actual documents.

HPD Code Violations and Registration Information

The Department of Housing Preservation & Development (HPD) has recently made available Building Code Violations and other information through HPD Online. Here you can look up the BBL if you only have the address, find out the registration of the building, census tract, stories, units, and emergency repairs.

Department of Buildings Building Information System

The Department of Buildings (DOB) offers real-time Building Information System data including a property profile overview containing detailed complaint information. It includes DOB violations as well as Environmental Control Board violations. You can also sometimes view the Certificate of Occupancy for a property, or any permits issued.

BBL Lookup

Property Address Search. Borough-Block-Lot (BBL) or parcel numbers identify the location of buildings or properties. You may need this number when completing certain tax or Department of Finance applications. To find a block and lot for a property, provide the borough, house number and street name.

Department of Finance

The NYC Department of Finance allows users to look up both property tax information and water & sewer information online. You can look up property tax information on any building on two different sites.

  • NYC’s eService Center
    The eService Center allows the user to make payments for parking tickets, red light violations, property taxes, ECB violations, business taxes, consumer affairs violations, etc.

  • NYC’s Water charge lookup
    DEP Water Charges is the fast and convenient way to view your current water and sewer charges.

  • NYC’s property reports center The property reports site allows the user to check the assessment roles, rental income, rolling sales update, rebate programs, etc.

  • Water & Sewer billing and account information Information is available only by account number. You will be able to make payments and check payment history through the epayment center. You’ll need to create a username and password to access the more detailed records on the property reports site.

NYC Open Data

NYC now has an abundance of data available through its Open Data portal. Much of this data comes in multiple formats such as text files, csv files, xml files, etc. You are able to either download directly or manipulate the data on the SOCRATA (web based) platform. Among the most useful datasets you can access are ACRIS, 311, and Department of Buildings.

HPD Open Data on Violations and Registrations

You can directly access NYC Open Data on HPD code violations, registrations and other data such as litigation here. Data is available in both text file and xml file formats and are updated monthly for the most part.

NYS Corporation Lookup

The New York State Department of State Corporation and Business Entity Database includes business and not-for-profit corporations, limited partnerships, limited liability companies and limited liability partnerships, as well as other miscellaneous businesses. Find out who an LLC is registered to.

HUD Online Mapping Library

HUD Online Mapping Library allows users to create maps of their areas using a variety of statistical data. Unfortunately, these maps are not generally accompanied by actual statistical numbers. However, the maps on housing programs are quite useful.

NYCity Map

The NYCity Map is a great resource for mapping the nearby locations of NYC services for a given address, as well as building and property information, and neighborhood information.

New York City Service Atlas

If you are looking for nonprofits that provide services in the area of housing and shelter, the New York City Nonprofits Project’s Service Atlas is a great site to use. The site searches by zip code, city council district, neighborhood or community board, and provides area maps.


The New York City Open Accessible Space Information System Cooperative (OASIS NYC) allows users to look up property information and block and lot maps, searching by address or block and lot. You can find out lot size, zoning information, ownership info, and links to other property information. The site is an excellent resource for researching property information.

"State of New York City's Housing and Neighborhoods"

The NYU Law School Furman Center for Real Estate and Urban Policy publishes a report entitled “State of New York City’s Housing and Neighborhoods”. The report contains excellent housing and demographic data and maps of NYC arranged by Community District and Sub-borough Area.

PlaNYC Green Buildings & Energy Efficiency

PlaNYC has 10 goals that highlight the important role of buildings in making New York City sustainable. The ultimate goal is to reduce citywide greenhouse gas emissions by 30 percent by 2030.