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56,681 columns in the coverage ledger · read from /api/field-coverage on citytap-prod · source last observed Oct 10, 2026, 6:03 PM
3,026 datasets, 56,681 catalogued fields, 9,808 of them still unread. Every band below is a share of that, worst first. Open one to see its datasets.
Gaps in the data behind this page
Source last observed Oct 10, 2026, 6:00 PM.
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.
Look up buildings, housing, and property records.
Showing 12 of 12 datasets
Government, Not-for-Profit and Commercial Exemptions maintained by NYC Department of Finance. The Department of Finance administers a number of benefits for property owners in the form of exemptions a…
The Department of City Planning aggregates information about 30,000+ facilities and program sites that are owned, operated, funded, licensed, or certified by a City, State, or Federal agency in the Ci…
This dataset contains site boundaries for all designated individual landmarks as well as administrative information such as site boundary description and designation date.
City Owned and Leased Properties (COLP) is published by the Department of City Planning (DCP) as required by chapter 204 of the City Charter. It includes the location and current use of all City-owned…
The NYC Department of City Planning's (DCP) Housing Database contains all NYC Department of Buildings (DOB) approved housing construction and demolition jobs filed or completed in NYC since January 1,…
Net change in housing units arising from new buildings, demolitions, or alterations for NYC Community Districts since 2010. The NYC Department of City Planning's (DCP) Housing Database provide the 201…
Net change in housing units arising from new buildings, demolitions, or alterations for NYC City Council Districts since 2010. The NYC Department of City Planning's (DCP) Housing Database provide the…
Net change in housing units arising from new buildings, demolitions, or alterations for NYC Census Blocks since 2010. The NYC Department of City Planning's (DCP) Housing Database provide the 2010 cens…
Net change in housing units arising from new buildings, demolitions, or alterations for NYC Census Tracts since 2010. The NYC Department of City Planning's (DCP) Housing Database provide the 2010 cens…
Net change in housing units arising from new buildings, demolitions, or alterations for NYC NTAs since 2010. The NYC Department of City Planning's (DCP) Housing Database provide the 2010 census count…
Net change in housing units arising from new buildings, demolitions, or alterations for NYC Community District Tabulation Areas (CDTAs) since 2010. The NYC Department of City Planning's (DCP) Housing…
Changes to Property Assessment. The data is collected and entered into the system from different sources within the agency and is a record of value changes to assessments and exemptions for property.