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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, 12:23 AM
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 |
|---|---|---|---|---|---|
| viol_seq_no Violation ID | Number | Checked, no match | — | value_domain_readtop[8 of 20]={18217475×1; 18217476×1; 18217477×1 | — |
| latitude Latitude | Number | Understood | geometry.latitude Latitude | dictionary_read_underspecifiedLatitude of the site's location | — |
| hzrd_clas Class | Text | Understood | category.classification Publisher classification | value_profiletop[3]={B×3260; A×1094; C×839} | — |
| lot Lot | Text | Checked, no match | — | value_domain_readsmallest=1 largest=9878 | — |
| boro_nm Primary Borough Name | Text | Understood | place.borough Borough | dictionary_readborough of the primary address where the building is located | borough |
| stairhall_no Stairhall Number | Text | Checked, no match | — | value_domain_readtop[8 of 20]={1B×190; 4A×163; 2A×162 | — |
| str_nm Primary Street Name | Text | Checked, no match | — | value_domain_readtop[8 of 20]={BROADWAY×138; RICHMOND TERRACE×97 | — |
| sctn_str_nm NYCHA Address Section Street Name | Text | Checked, no match | — | value_domain_readtop[8 of 20]={BROADWAY×138; RICHMOND TERRACE×97 | — |
| community_board Community Board | Number | Understood | place.community_district Community District / Board | value_domain_read | community_district |
| viol_appr_dt Approved Date | Calendar date | Understood | time.world_event Something happened | dictionary_readapproved | — |
| phn Primary House Number | Text | Checked, no match | — | value_domain_readtop[8 of 20]={1×60; 100×47; 2×41; 60×35 | — |
| bldg_id Primary Building Identifier | Number | Checked, no match | — | value_domain_readsmallest=126 largest=996714 | — |
| low_hus_no Primary Low House Number | Text | Checked, no match | — | value_domain_readtop[8 of 20]={1×60; 100×47; 2×41; 60×35 | — |
| sctn_boro_nm NYCHA Address Section Borough | Text | Understood | place.borough Borough | dictionary_readborough of the section address where the building is located | borough |
| blk Block | Text | Checked, no match | — | value_domain_readsmallest=1 largest=16350 | — |
| viol_desc Violation Description | Text | Checked, no match | — | value_domain_readHMC ADM CODE: § 27-2017.4 ABATE THE IN…(clipped)×2 | — |
| high_hus_no Primary High House Number | Text | Checked, no match | — | value_domain_readtop[8 of 20]={1×60; 100×47; 2×41; 60×35 | — |
| tds_no TDS Number | Number | Checked, no match | — | value_domain_readtop[8 of 20]={NY005012470P×20410; NY005011670P×14428 | — |
| sctn_hus_no NYCHA Address Section House Number | Text | Checked, no match | — | value_domain_readtop[8 of 20]={1×60; 100×47; 2×41; 60×35 | — |
| nta Neighborhood Tabulation Area (NTA) (2020) | Text | Understood | place.nta Neighborhood Tabulation Area | value_domain_read | nta |
| zip Primary Postcode | Text | Understood | place.zip ZIP Code | value_domain_read | zip |
| sctn_boro NYCHA Address Section BoroID | Number | Checked, no match | — | dictionary_readBorough code of the section address identified by NYCHA | — |
| development_name Development Name | Text | Checked, no match | — | value_domain_readtop[8 of 20]={RED HOOK WEST×414; WAGNER×289; RED HOOK EAST×220 | — |
| actl_unit_insp Apartment | Text | Checked, no match | — | value_domain_readtop[8 of 20]={1B×190; 4A×163; 2A×162 | — |
| longitude Longitude | Number | Understood | geometry.longitude Longitude | dictionary_read_underspecifiedLongitude of the site's location | — |
| boro Primary Boro Identifier | Number | Understood | place.borough Borough | value_domain_read | borough |
| insp_dt Inspection Date | Calendar date | Understood | time.world_event.observed Observation time | dictionary_readDate when the violating condition was physically observed by a uniformed HPD Housing Inspector | — |
| bin BIN | Number | Understood | place.bin Building Identification Number | operator_cohort matched by name, unread | bin |
| council_district Council District | Number | Understood | place.council_district City Council District | value_domain_read | council_district |
| issued_in_err Issued in Error | Text | Checked, no match | — | value_domain_readtop[2]={N×5069; Y×124} | — |
| actl_stry Story | Text | Checked, no match | — | value_domain_readtop[8 of 20]={1B×190; 4A×163; 2A×162 | — |
| viol_typ_ordr_no Order Number | Text | Understood | category.classification Publisher classification | dictionary_readReference to the abstract description of the violation condition | — |
| bbl BBL | Number | Understood | place.bbl Borough-Block-Lot | value_domain_read | bbl |
| sctn_zip NYCHA Address Section PostCode | Text | Understood | place.zip ZIP Code | value_profileThe postcode of the section address where the building is located | — |
| census_tract Census Tract (2020) | Number | Checked, no match | — | value_domain_read | — |