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56,681 columns in the coverage ledger · read from /api/field-coverage on citytap-prod · source last observed Oct 10, 2026, 3:51 PM
3,026 datasets, 56,681 catalogued fields, 9,808 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
Most read — At least three quarters of their fields carry a verdict.
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 |
|---|---|---|---|---|---|
| gispropnum GISPropNum | Text | Checked, no match | — | value_domain_readsmallest=B001 largest=X373 | — |
| omppropid OMPPropID | Text | Checked, no match | — | value_domain_readsmallest=B001 largest=X373 | — |
| councildistrict CouncilDistrict | Number | Understood | place.council_district City Council District | value_domain_read | council_district |
| nametext NameText | Text | Checked, no match | — | value_domain_readsmallest=100% Playground largest=Zion Triangle | — |
| :@computed_region_sbqj_enih Police Precincts | Number portal artifact | Checked, no match | — | portal_artifact matched by name, unread | — |
| amenitytype AmenityType | Text | Understood | category.classification Publisher classification | value_domain_readPlayground - Adults Allowed (2600)×1189 | — |
| propertyname PropertyName | Text | Checked, no match | — | value_domain_readsmallest=100% Playground largest=Zion Triangle | — |
| system System | Number | Nobody has looked | — | — | — |
| :@computed_region_efsh_h5xi Zip Codes | Number portal artifact | Checked, no match | — | portal_artifact matched by name, unread | — |
| :@computed_region_92fq_4b7q City Council Districts | Number portal artifact | Checked, no match | — | portal_artifact matched by name, unread | — |
| :@computed_region_f5dn_yrer Community Districts | Number portal artifact | Checked, no match | — | portal_artifact matched by name, unread | — |
| :@computed_region_yeji_bk3q Borough Boundaries | Number portal artifact | Checked, no match | — | portal_artifact matched by name, unread | — |
| languagecode LanguageCode | Text | Checked, no match | — | value_domain_readtop[8 of 14]={XX-005×4382; XX-001×1652 | — |
| signcode SignCode | Text | Checked, no match | — | value_domain_read2000-01-01 00:00:00×472; 1800-01-01 00:00:00×313 | — |
| zipcode ZIPCode | Number | Checked, no match | — | value_domain_read | — |
| propertylocation PropertyLocation | Text | Checked, no match | — | value_domain_read15 Ave. bet. 110 St and the East River×1 | — |
| signcodewithlanguage SignCodeWithLanguage | Text | Checked, no match | — | value_domain_readtop[8 of 14]={XX-005×4382; XX-001×1652 | — |
| precinct Precinct | Number | Understood | place.precinct NYPD Precinct | value_domain_read | precinct |
| signtype SignType | Text | Understood | category.classification Publisher classification | value_domain_readtop[4]={Consolidated Rules Sign×11382; Routed Sign×330; Wayfinding Sign×192; Other Sign×38} | — |
| point | Point | Nobody has looked | — | — | — |
| parkdistrict ParkDistrict | Text | Checked, no match | — | value_domain_readsmallest=B-01 largest=X-15 | — |
| borough Borough | Text | Checked, no match | — | value_domain_read | — |
| subpropertyname SubPropertyName | Text | Checked, no match | — | value_domain_readsmallest=100% Playground largest=Zion Triangle | — |
| secondlanguage SecondLanguage | Text | Checked, no match | — | value_domain_readtop[3]={Spanish×9746; Chinese×902; Russian×265} | — |
| signstatus SignStatus | Text | Understood | category.status Workflow status | value_domain_readtop[2]={Installed×11081; Surveyed×836} | — |
| communityboard CommunityBoard | Number | Understood | place.community_district Community District / Board | value_domain_read | community_district |
| thirdlanguage ThirdLanguage | Text | Checked, no match | — | value_domain_readtop[3]={Spanish×9746; Chinese×902; Russian×265} | — |
| mountingsurface MountingSurface | Text | Understood | category.classification Publisher classification | value_domain_readtop[4]={Consolidated Rules Sign×11382; Routed Sign×330; Wayfinding Sign×192; Other Sign×38} | — |
| hours Hours | Text | Checked, no match | — | value_domain_read6:00 a.m. to 9:00 p.m.×1059 | — |