PropertyBook is the Authority in New York City real estate data. Our property records and sales data are unrivaled in accuracy, and constantly updated to ensure users have an edge. PropertyBook solves many data problems New York City's most sophisticated real estate professionals face, immediately adding value to their business's bottom line. Our rare combination of advanced real estate, data science and programing skills, together with our passion, determination, pride of workmanship, and attention to detail, make us an outlier in the real estate data space. Conduct comprehensive research and due diligence with PropertyBook.