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Coverage

20,438 of 56,681 columns decided — 36.1% · 4,487 bound (7.9%) · 36,243 still unread

Bound: 4,487; 7.9%; a concept was found and asserted for the column.
Refused: 10,870; 19.2%; the column was read and no concept fits. A verdict, not a gap.
Insufficient: 5,081; 9.0%; read, but the evidence did not settle it.
Unanalysed: 36,243; 63.9%; 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 10, 2026, 11:59 AM

Where the unread columns are

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.

DOB Certificate Of Occupancy

bs8b-p36w

← What we have understood · Dataset page

Fields catalogued

Understood

Checked, no match

Nobody has looked

Half read — At least half their fields carry a verdict.

Every field in this dataset

Covered and uncovered alike, in the order the publisher lists them. A field with no verdict is one nobody has looked at yet.

Field	Type	What we know	Meaning	How it was decided	Shared term
issue_type ISSUE_TYPE	Text	Nobody has looked	—	—	—
lot LOT	Text	Nobody has looked	—	—	—
:@computed_region_yeji_bk3q Borough Boundaries	Number portal artifact	Checked, no match	—	portal_artifact matched by name, unread	—
council_district COUNCIL_DISTRICT	Text	Understood	place.council_district City Council District	value_domain_read	council_district
bbl BBL	Text	Checked, no match	—	value_domain_read	—
census_tract CENSUS_TRACT	Text	Checked, no match	—	value_domain_read	—
application_status_raw APPLICATION_STATUS_RAW	Text	Understood	category.status Workflow status	value_profile Certificate of Occupancy Application Status (Open, Issued, Withdrawn)	—
latitude LATITUDE	Text	Understood	geometry.latitude Latitude	dictionary_read_underspecified Latitude	—
longitude LONGITUDE	Text	Understood	geometry.longitude Longitude	dictionary_read_underspecified Longitude	—
:@computed_region_92fq_4b7q City Council Districts	Number portal artifact	Checked, no match	—	portal_artifact matched by name, unread	—
c_o_issue_date C_O_ISSUE_DATE	Calendar date	Understood	time.period.month Month	value_profile Date the Certificate of Occupancy was issued	—
:@computed_region_f5dn_yrer Community Districts	Number portal artifact	Checked, no match	—	portal_artifact matched by name, unread	—
:@computed_region_efsh_h5xi Zip Codes	Number portal artifact	Checked, no match	—	portal_artifact matched by name, unread	—
community_board COMMUNITY_BOARD	Text	Checked, no match	—	value_domain_read	—
ex_dwelling_unit EX_DWELLING_UNIT	Text	Nobody has looked	—	—	—
pr_dwelling_unit PR_DWELLING_UNIT	Text	Nobody has looked	—	—	—
:@computed_region_sbqj_enih Police Precincts	Number portal artifact	Checked, no match	—	portal_artifact matched by name, unread	—
street_name STREET	Text	Nobody has looked	—	—	—
borough BOROUGH	Text	Understood	place.borough Borough	value_domain_read	borough
bin BIN	Text	Understood	place.bin Building Identification Number	operator_cohort matched by name, unread	bin
filing_status_raw FILING_STATUS_RAW	Text	Nobody has looked	—	—	—
job_type JOB_TYPE	Text	Nobody has looked	—	—	—
block BLOCK	Text	Nobody has looked	—	—	—
job_number JOB_NUMBER	Text	Nobody has looked	—	—	—
postcode POSTCODE	Text	Checked, no match	—	value_domain_read	—
nta NTA	Text	Checked, no match	—	value_domain_read	—
bin_number BIN_NUMBER	Text	Understood	place.bin Building Identification Number	operator_cohort matched by name, unread	bin
house_number NUMBER	Text	Nobody has looked	—	—	—
location LOCATION	Point	Understood	geometry.point Point geometry	dictionary_read Latitude and Longitude	—
item_number ITEM_NUMBER	Text	Nobody has looked	—	—	—