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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, 7:44 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.
Freshness above is about the data being current. This is about the data being understood: how many of the catalogue's fields carry a meaning we can act on, which datasets are still waiting, and how far the joinable web reaches.
Filtered to datasets carrying community_district. Clear
| Dataset | Fields | Decided | Understood | Nobody looked | Shared terms | |
|---|---|---|---|---|---|---|
| 2020 DOE Middle School Directory fdpt-nzk4 | 464 | 464 100% | 22 | 0 | 6 | See every field |
| 2021 DOE High School Directory 8b6c-7uty | 448 | 448 100% | 61 | 0 | 6 | See every field |
| 2020 DOE High School Directory 23z9-6uk9 | 420 | 420 100% | 64 | 0 | 6 | See every field |
| 2021 DOE Middle School Directory f6s7-vytj | 327 | 327 100% | 27 | 0 | 5 | See every field |
| NYC Building Energy and Water Data Disclosure for Local Law 84 2023 to Present (Data for Calendar Year 2022-Present) 5zyy-y8am | 265 | 265 100% | 80 | 0 | 4 | See every field |
| Energy and Water Data Disclosure for Local Law 84 2017 (Data for Calendar Year 2016) utpj-74fz | 262 | 262 100% | 19 | 0 | 2 | See every field |
| Energy and Water Data Disclosure for Local Law 84 2015 (Data for Calendar Year 2014) nbun-wekj | 259 | 259 100% | 9 | 0 | 2 | See every field |
| Energy and Water Data Disclosure for Local Law 84 2018 (Data for Calendar Year 2017) 4t62-jm4m | 256 | 256 100% | 15 | 0 | 2 | See every field |
| Energy and Water Data Disclosure for Local Law 84 2016 (Data for Calendar Year 2015) 77q4-nkfh | 256 | 256 100% | 16 | 0 | 2 | See every field |
| Energy and Water Data Disclosure for Local Law 84 2014 (Data for Calendar Year 2013) yr5p-wjer | 255 | 255 100% | 10 | 0 | 2 | See every field |
| Energy and Water Data Disclosure for Local Law 84 2020 (Data for Calendar Year 2019) wcm8-aq5w | 254 | 254 100% | 14 | 0 | 2 | See every field |
| Energy and Water Data Disclosure for Local Law 84 2019 (Data for Calendar Year 2018) 4tys-3tzj | 253 | 253 100% | 14 | 0 | 2 | See every field |
| 2019 DOE Middle School Directory uqxv-h2se | 251 | 251 100% | 18 | 0 | 6 | See every field |
| Energy and Water Data Disclosure for Local Law 84 2021 (Data for Calendar Year 2020) usc3-8zwd | 250 | 250 100% | 16 | 0 | 2 | See every field |
| Energy and Water Data Disclosure for Local Law 84 2022 (Data for Calendar Year 2021) 7x5e-2fxh | 249 | 249 100% | 72 | 0 | 2 | See every field |
| 2019 Volunteers Count Report - Neighborhoods 72r6-mtgs | 218 | 218 100% | 8 | 0 | 4 | See every field |
| Energy and Water Data Disclosure for Local Law 84 2012 (Data for Calendar Year 2011) k7nh-aufb | 210 | 210 100% | 10 | 0 | 2 | See every field |
| Energy and Water Data Disclosure for Local Law 84 2013 (Data for Calendar Year 2012) r6ub-zhff | 201 | 201 100% | 9 | 0 | 3 | See every field |
| Voter Analysis 2008-2018 psx2-aqx3 | 175 | 175 100% | 46 | 0 | 3 | See every field |
| Energy and Water Data Disclosure for Local Law 84 2011 (Data for Calendar Year 2010) kswi-37bp | 164 | 164 100% | 9 | 0 | 3 | See every field |
| NYC Free Tax Prep Sites 5kqf-fg3n | 77 | 77 100% | 12 | 0 | 3 | See every field |
| DOB Sign Application Filings nyis-y4yr | 72 | 72 100% | 20 | 0 | 1 | See every field |
| Citywide Public Computer Centers sejx-2gn3 | 61 | 61 100% | 12 | 0 | 6 | See every field |
| SBS Certified Business List ci93-uc8s | 56 | 56 100% | 23 | 0 | 4 | See every field |
| DOB Cellular Antenna Filings iz2q-9x8d | 55 | 55 100% | 28 | 0 | 2 | See every field |
| Bikes in Buildings Requests scjj-6yaf | 54 | 54 100% | 15 | 0 | 5 | See every field |
| Commercial Bicycle Unit Inspections (Historical) tg3t-nh4h | 51 | 51 100% | 11 | 0 | 6 | See every field |
| HISTORICAL Sidewalk Café Licenses and Applications qcdj-rwhu | 47 | 47 100% | 28 | 0 | 3 | See every field |
| DOB NOW: Build – Approved Permits rbx6-tga4 | 46 | 46 100% | 20 | 0 | 4 | See every field |
| A Foundation Report: Family Violence uhw3-ky8e | 46 | 46 100% | 3 | 0 | 2 | See every field |
| DPR_AthleticFacilities_001 9wwi-sb8x | 45 | 45 100% | 5 | 0 | 3 | See every field |
| Athletic Facilities qnem-b8re | 45 | 45 100% | 7 | 0 | 3 | See every field |
| 2015 Street Tree Census - Tree Data uvpi-gqnh | 45 | 45 100% | 18 | 0 | 6 | See every field |
| Property Valuation and Assessment Data yjxr-fw8i | 45 | 45 100% | 14 | 0 | 4 | See every field |
| Local Law 44 Disqualified List 9s68-zggy | 42 | 42 100% | 30 | 0 | 6 | See every field |
| Verified Locations for NYC City-Funded Social Service Contracts - Sites y9si-s7ab | 40 | 40 100% | 8 | 0 | 4 | See every field |
| Department for the Aging (NYC Aging) - All Contracted Providers cqc8-am9x | 38 | 38 100% | 11 | 0 | 4 | See every field |
| Housing Maintenance Code Violations NYCHA properties im9z-53hg | 35 | 35 100% | 16 | 0 | 7 | See every field |
| License Applications ptev-4hud | 35 | 35 100% | 15 | 0 | 3 | See every field |
| LinkNYC Kiosk Status (Historical) quxm-hmyr | 35 | 35 100% | 17 | 0 | 7 | See every field |
| Department for the Aging (NYC Aging) - Social Adult Day Care Services 32cj-z7va | 33 | 33 100% | 11 | 0 | 5 | See every field |
| DCWP Consumer Complaints nre2-6m2s | 33 | 33 100% | 14 | 0 | 4 | See every field |
| City of New York Municipal Solar-Readiness Assessment (Local Law 24 of 2016) data cfz5-6fvh | 32 | 32 100% | 12 | 0 | 3 | See every field |
| Street Seats (2014 - 2019) d83i-6us7 | 32 | 32 100% | 15 | 0 | 5 | See every field |
| Food Scrap Drop-Off Locations in NYC if26-z6xq | 32 | 32 100% | 10 | 0 | 7 | See every field |
| Universal Solicitation for Broadband Asset Dataset 2bsr-c6qq | 31 | 31 100% | 9 | 0 | 5 | See every field |
| DOHMH New York City Restaurant Inspection Results 43nn-pn8j | 31 | 31 100% | 16 | 0 | 3 | See every field |
| EMS Incident Dispatch Data 76xm-jjuj | 31 | 31 100% | 6 | 0 | 2 | See every field |
| Weights, Measures, and Other Tests 8fei-z6rz | 31 | 31 100% | 16 | 0 | 5 | See every field |
| Leaning Bars (Historical) iaig-3vs5 | 31 | 31 100% | 13 | 0 | 5 | See every field |
A line means a dataset carries a field tagged with a shared vocabulary term. Two datasets on the same term speak the same language about it, which is what makes a cross-dataset question possible. Sharing a term is not the same as a working join — the dataset page says whether a specific pair compiles.
Bipartite. A dimension node is a conformed-dimension family; a dataset node is a catalog dataset; an edge means that dataset carries at least one column tagged with that dimension, and names the columns that carry it.
How many of an edge's tagging columns carry a method that actually read something. Zero means the edge rests entirely on carried lexical tags.
Two datasets on the same dimension node share a vocabulary, which is weaker than a join. GET /api/datasets/{fourFour}/bindings/{partner} decides whether a specific pair compiles; executing it additionally needs both marts present.
Gaps in the data behind this page
Source last observed Oct 11, 2026, 7:44 PM.
603 of the 3,026 datasets in the catalog list no columns at all.
603 / 3,026
Source: /api/field-coverage
Check it yourself: /api/field-coverage#/catalog/datasets_no_inventory
These pages state their own gaps: /datasets, /freshness, /scorecard, /scorecard/fields, /analyses, /ontology, /graph, /alerts, any topic page under /domains, any dataset page.