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, 5:00 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-coverageCheck it yourself:
/api/field-coverage#/catalog/datasets_mart_declared48 of the 2,408 mirrored datasets lag the source they copy.
48 / 2,408
Source:
/api/scorecardCheck it yourself:
/api/scorecard#/mirror_lag/datasets_behindThis 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 4 of 4 datasets
Landmarks Complaints
The Landmarks Complaint Log contains information related to designated landmark violation complaints received by the LPC.
Publisher: DueOur mirror: In syncLandmarks Violations
The Landmarks Violations contains information related to designated landmark violations issued by the LPC.
Publisher: DueOur mirror: In syncScenic Landmarks
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.
Publisher: DueOur mirror: In syncHistoric Districts
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…
Publisher: DueOur mirror: In sync