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56,681 columns in the coverage ledger · read from /api/field-coverage on citytap-prod · source last observed Oct 11, 2026, 4:31 PM
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.
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← What we have understood · Dataset page
Every field decided — Every field carries a verdict — which does not mean every field is understood.
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 |
|---|---|---|---|---|---|
| council_district Council District | Number | Understood | place.council_district City Council District | value_domain_read | council_district |
| total_units Total Units | Number | Checked, no match | — | dictionary_readunits | — |
| building_completion_date Building Completion Date | Calendar date | Understood | time.world_event.closed Closing time | dictionary_readCompletion Date is the date | — |
| latitude Latitude | Number | Understood | geometry.latitude Latitude | dictionary_read_underspecifiedThe Latitude and Longitude specify the location of the property on the earth’s surface | — |
| project_start_date Project Start Date | Calendar date | Understood | time.world_event.occurred Occurrence time | dictionary_readThe Project Start Date is the date of the project loan or agreement closing. | — |
| longitude Longitude | Number | Understood | geometry.longitude Longitude | dictionary_read_underspecifiedThe Latitude and Longitude specify the location of the property on the earth’s surface | — |
| latitude_internal Latitude (Internal) | Number | Understood | geometry.latitude Latitude | dictionary_read_underspecifiedThe Latitude (Internal) and Longitude (Internal) specify the location of the property on the earth’s surface | — |
| very_low_income_units Very Low Income Units | Number | Checked, no match | — | dictionary_readunits | — |
| longitude_internal Longitude (Internal) | Number | Understood | geometry.longitude Longitude | dictionary_read_underspecifiedThe Latitude (Internal) and Longitude (Internal) specify the location of the property on the earth’s surface | — |
| project_completion_date Project Completion Date | Calendar date | Understood | time.world_event.closed Closing time | dictionary_readCompletion Date is the date | — |
| _4_br_units 4-BR Units | Number | Checked, no match | — | dictionary_readunits | — |
| building_id Building ID | Number | Checked, no match | — | dictionary_readassigned to | — |
| house_number Number | Text | Checked, no match | — | dictionary_readin the building’s address | — |
| street_name Street | Text | Checked, no match | — | dictionary_readin the building’s address | — |
| borough Borough | Text | Understood | place.borough Borough | value_domain_read | borough |
| _5_br_units 5-BR Units | Number | Checked, no match | — | dictionary_readunits | — |
| other_income_units Other Income Units | Number | Checked, no match | — | dictionary_readunits | — |
| project_name Project Name | Text | Checked, no match | — | dictionary_readassigned to | — |
| postcode Postcode | Number | Understood | place.zip ZIP Code | value_domain_read | zip |
| bin BIN | Number | Understood | place.bin Building Identification Number | operator_cohort matched by name, unread | bin |
| community_board Community Board | Text | Checked, no match | — | value_domain_read | — |
| extremely_low_income_units Extremely Low Income Units | Number | Checked, no match | — | dictionary_readunits | — |
| reporting_construction_type Reporting Construction Type | Text | Understood | category.classification Publisher classification | value_domain_readtop[2]={New Construction×4674; Preservation×4576} | — |
| census_tract Census Tract | Text | Checked, no match | — | value_domain_read | — |
| low_income_units Low Income Units | Number | Checked, no match | — | dictionary_readunits | — |
| bbl BBL | Number | Understood | place.bbl Borough-Block-Lot | value_domain_read | bbl |
| moderate_income_units Moderate Income Units | Number | Checked, no match | — | dictionary_readunits | — |
| extended_affordability_status Extended Affordability Only | Text | Checked, no match | — | value_domain_readtop[2]={No×7914; Yes×1336} | — |
| middle_income_units Middle Income Units | Number | Checked, no match | — | dictionary_readunits | — |
| project_id Project ID | Text | Checked, no match | — | dictionary_readassigned to | — |
| _1_br_units 1-BR Units | Number | Checked, no match | — | dictionary_readunits | — |
| counted_rental_units Counted Rental Units | Number | Checked, no match | — | dictionary_readunits | — |
| prevailing_wage_status Prevailing Wage Status | Text | Checked, no match | — | value_domain_readtop[2]={No×7914; Yes×1336} | — |
| _3_br_units 3-BR Units | Number | Checked, no match | — | dictionary_readunits | — |
| _6_br_units 6-BR+ Units | Number | Checked, no match | — | dictionary_readunits | — |
| _2_br_units 2-BR Units | Number | Checked, no match | — | dictionary_readunits | — |
| counted_homeownership_units Counted Homeownership Units | Number | Checked, no match | — | dictionary_readunits | — |
| unknown_br_units Unknown-BR Units | Number | Checked, no match | — | dictionary_readunits | — |
| neighborhood_tabulation_area NTA - Neighborhood Tabulation Area | Text | Understood | place.nta Neighborhood Tabulation Area | value_profileThe Neighborhood Tabulation Area indicates the New York City Neighborhood Tabulation Area where the building is located | nta |
| all_counted_units All Counted Units | Number | Checked, no match | — | dictionary_readunits | — |
| studio_units Studio Units | Number | Checked, no match | — | dictionary_readunits | — |