Gaps in the data behind this page

86 of the 330 datasets in this topic hold no queryable rows.
9 of the 252 mirrored datasets in this topic lag the source they copy.

Source last observed Oct 12, 2026, 3:00 AM.

Where each note comes from

86 of the 330 datasets in this topic hold no queryable rows.
86 / 330
Source: /api/scorecard
Check it yourself: /api/scorecard?domain=housing-buildings#/datasets_not_queryable
9 of the 252 mirrored datasets in this topic lag the source they copy.
9 / 252
Source: /api/scorecard
Check it yourself: /api/scorecard?domain=housing-buildings#/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, any dataset page.

Housing, Buildings & Property

Look up buildings, housing, and property records.

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Coverage

56,681 of 56,681 columns decided — 100.0% · 12,642 bound (22.3%) · 0 still unread

Bound: 12,642; 22.3%; a concept was found and asserted for the column.
Refused: 32,953; 58.1%; the column was read and no concept fits. A verdict, not a gap.
Insufficient: 11,086; 19.6%; read, but the evidence did not settle it.
Unanalysed: 0; 0.0%; nobody has read this column yet.

56,681 columns in the coverage ledger · read from /api/field-coverage on citytap-prod · source last observed Oct 12, 2026, 3:32 AM

Where the unread columns are

3,026 datasets, 56,681 catalogued fields, 0 of them still unread. Every band below is a share of that, worst first. Open one to see its datasets.

Housing, Buildings & Property

Where the unread columns are

Housing, Buildings & Property

NYCHA Development Data Book

NYCHA Resident Data Book Summary