Resources

• Methodology

  How properties are resolved, and how source status and provenance are kept.

• Data catalog

  Published datasets, coverage, cadence, and delivery rights.

• Source list

  Official NYC sources and the limits of public-data coverage.

• API documentation

  Authentication, endpoints, coverage semantics, and errors.

• Guides

  NYC property due-diligence guides and checklists.

• Support

  Report a data problem or contact the team.