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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, 10:55 AM
3,026 datasets, 56,681 catalogued fields, 36,243 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, 10:00 AM.
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
50 of the 2,408 mirrored datasets lag the source they copy.
50 / 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.
Showing 10 of 10 datasets
Contains information pertaining to permit applications for work to landmark sites submitted to and processed by LPC.
The Grant Applications Tracking Table tracks grant applications received by the LPC and their outcomes. LPC's Historic Preservation Grant Program (HPGP) offers grants ranging from $10,000 to $30,000 p…
Database listing archaeological reports that the LPC keeps on file.
This dataset contains site boundaries for all designated individual landmarks as well as administrative information such as site boundary description and designation date.
The Landmarks Complaint Log contains information related to designated landmark violation complaints received by the LPC.
The Landmarks Violations contains information related to designated landmark violations issued by the LPC.
Provides boundary information regarding all scenic landmarks that have been calendared, heard, or designated by the Landmarks Preservation Commission, or for which an LP number has been issued.
Provides information regarding all historic districts that have calendared, heard, or designated by the Landmarks Preservation Commission, or for which an LP number has been issued, as well as many pr…
Provides information on all items designated or under consideration for designation (i.e. calendared) by the New York City Landmarks Preservation Commission (LPC). This dataset contains information on…
Provides information on buildings and structures within designated historic districts and individual landmark sites.