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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, 10:35 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 bin. 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 |
| 2017 DOE High School Directory s3k6-pzi2 | 462 | 462 100% | 48 | 0 | 5 | See every field |
| 2019 DOE High School Directory uq7m-95z8 | 462 | 462 100% | 73 | 0 | 5 | See every field |
| 2018 DOE High School Directory vw9i-7mzq | 462 | 462 100% | 50 | 0 | 5 | 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 |
| 2018 DOE Middle School Directory 6kcb-9g8d | 251 | 251 100% | 20 | 0 | 4 | See every field |
| 2019 DOE Middle School Directory uqxv-h2se | 251 | 251 100% | 18 | 0 | 6 | 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 2013 (Data for Calendar Year 2012) r6ub-zhff | 201 | 201 100% | 9 | 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 |
| Lot Cleaning Dispositions (No Longer Maintained) r4c5-ndkx | 124 | 124 100% | 10 | 0 | 1 | See every field |
| DOB Job Application Filings ic3t-wcy2 | 95 | 95 100% | 30 | 0 | 2 | See every field |
| DOB NOW: Build – Job Application Filings w9ak-ipjd | 95 | 95 100% | 21 | 0 | 2 | See every field |
| 2018 Pre-K School Directory xck4-5xd5 | 85 | 85 100% | 20 | 0 | 5 | See every field |
| DOB NOW: Electrical Permit Applications dm9a-ab7w | 83 | 83 100% | 32 | 0 | 2 | See every field |
| DOB NOW: Build Elevator Permit Applications kfp4-dz4h | 82 | 82 100% | 34 | 0 | 2 | See every field |
| DOE High School Directory 2013-2014 u553-m549 | 82 | 82 100% | 18 | 0 | 7 | See every field |
| Suitability of City-Owned and Leased Property for Urban Agriculture (LL 48 of 2011) 4e2n-s75z | 75 | 75 100% | 32 | 0 | 7 | See every field |
| DOF: Condominium Comparable Rental Income – Bronx – FY 2011/2012 3qfc-4tta | 70 | 70 100% | 18 | 0 | 5 | See every field |
| DOF: Condominium Comparable Rental Income – Manhattan – FY 2011/2012 dvzp-h4k9 | 70 | 70 100% | 17 | 0 | 4 | See every field |
| DOF: Condominium Comparable Rental Income – Queens – FY 2011/2012 jcih-dj9q | 70 | 70 100% | 17 | 0 | 5 | See every field |
| DOF: Condominium Comparable Rental Income – Staten Island – FY 2011/2012 tkdy-59zg | 70 | 70 100% | 17 | 0 | 5 | See every field |
| DOF: Cooperative Comparable Rental Income – Staten Island – FY 2011/2012 2zbg-i8fx | 69 | 69 100% | 10 | 0 | 4 | See every field |
| DOF: Cooperative Comparable Rental Income – Brooklyn – FY 2011/2012 irhv-jqz7 | 69 | 69 100% | 9 | 0 | 3 | See every field |
| DOF: Cooperative Comparable Rental Income – Manhattan– FY 2011/2012 m56g-jpua | 69 | 69 100% | 8 | 0 | 3 | See every field |
| 2014 - 2015 DOE High School Directory n3p6-zve2 | 69 | 69 100% | 9 | 0 | 5 | See every field |
| DOF: Cooperative Comparable Rental Income – Queens – FY 2011/2012 sjpy-4cc9 | 69 | 69 100% | 10 | 0 | 3 | See every field |
| DOF: Cooperative Comparable Rental Income – Bronx – FY 2011/2012 yrf7-4wry | 69 | 69 100% | 10 | 0 | 4 | See every field |
| Housing Database Project Level Files br6q-ssj3 | 68 | 68 100% | 25 | 0 | 6 | See every field |
| 2016 DOE High School Directory 7crd-d9xh | 67 | 67 100% | 9 | 0 | 5 | See every field |
| NYC Women's Resource Network Database pqg4-dm6b | 64 | 64 100% | 5 | 0 | 1 | See every field |
| Energy Usage From DOE Buildings mq6n-s45c | 62 | 62 100% | 8 | 0 | 5 | See every field |
| Citywide Public Computer Centers sejx-2gn3 | 61 | 61 100% | 12 | 0 | 6 | See every field |
| Historical DOB Permit Issuance bty7-2jhb | 60 | 60 100% | 28 | 0 | 3 | See every field |
| DOB Permit Issuance ipu4-2q9a | 60 | 60 100% | 23 | 0 | 2 | See every field |
| 2005 Street Tree Census 29bw-z7pj | 59 | 59 100% | 16 | 0 | 3 | See every field |
| Forestry Work Orders bdjm-n7q4 | 56 | 56 100% | 16 | 0 | 2 | 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 |
| Vision Zero Base Report ph7v-u5f3 | 55 | 55 100% | 9 | 0 | 2 | See every field |
| Bikes in Buildings Requests scjj-6yaf | 54 | 54 100% | 15 | 0 | 5 | See every field |
| Forestry Service Requests mu46-p9is | 51 | 51 100% | 17 | 0 | 2 | See every field |
| Commercial Bicycle Unit Inspections (Historical) tg3t-nh4h | 51 | 51 100% | 11 | 0 | 6 | See every field |
| Department for the Aging (NYC Aging) - Senior Center Local Law 140 Provider Data - FY 2020 ygfr-ij6t | 49 | 49 100% | 27 | 0 | 5 | See every field |
| Self-Reported Drinking Water Tank Inspection Results gjm4-k24g | 47 | 47 100% | 10 | 0 | 4 | See every field |
| DOF: Condominium comparable rental income – Brooklyn - FY 2010/2011 5mw2-hzqx | 46 | 46 100% | 12 | 0 | 4 | See every field |
| DOF: Condominium Comparable Rental Income –Manhattan – FY 2008/2009 956m-xy24 | 46 | 46 100% | 10 | 0 | 4 | See every field |
| DOF: Condominium comparable rental income – Staten Island - FY 2010/2011 a5qt-5jpu | 46 | 46 100% | 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 10, 2026, 10:35 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.