CityTapNYC Open Data on tap

Gaps in the data behind this page

  • 710 of the 3,026 datasets in the catalog hold no queryable rows.
  • 48 of the 2,408 mirrored datasets lag the source they copy.

Source last observed Oct 11, 2026, 4:00 AM.

Where each note comes from
  • 710 of the 3,026 datasets in the catalog hold no queryable rows.

    710 / 3,026

    Source: /api/field-coverage

    Check it yourself: /api/field-coverage#/catalog/datasets_mart_declared

  • 48 of the 2,408 mirrored datasets lag the source they copy.

    48 / 2,408

    Source: /api/scorecard

    Check it yourself: /api/scorecard#/mirror_lag/datasets_behind

    This note returns on its own when the measurement moves.

These pages state their own gaps: /datasets, /freshness, /scorecard, /scorecard/fields, /analyses, /ontology, /graph, /alerts, any topic page under /domains.

Housing, Buildings & Property

Look up buildings, housing, and property records.

Showing 2 of 2 datasets

  • Property Tax Rates by Tax Class

    Department of FinanceUpdates: AnnuallyPublisher updated: Nov 14, 2024

    Table of tax rates by year

    Publisher: StaleOur mirror: In sync
  • Tax Lien Sale Lists

    Department of FinanceUpdates: Every 6 monthsPublisher updated: Dec 1, 2025

    Properties with tax and/or water liens that are potentially eligible to be included in the next lien sale.Tax Lien Sale Lists : Properties with tax, water liens and other charges that are potentially…

    Publisher: StaleOur mirror: Sync error