In an effort to give you the most accurate and robust property information, we aggregate, clean and verify data from many, many, many sources, including: 

  • NYC Department of Buildings

  • NYC Department of City Planning

  • NYC Department of Finance

  • Landmarks Preservation Commission

  • New York State Attorney General (AG)

  • New York State Department of State (DOS)

  • REBNY's Residential Listing System

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