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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, 10:22 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.
64uk-42ks
← 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 |
|---|---|---|---|---|---|
| bctcb2020 | Text | Checked, no match | — | value_domain_read | — |
| yearalter2 | Number | Checked, no match | — | value_domain_readtop[8 of 20]={1920×87223; 1930×74588; 1925×69419; 1950×47105; 1910×41694; 0×39850; 1940×37791; 1960×36862} | — |
| borocode | Number | Understood | place.borough Borough | value_domain_read | borough |
| yearalter1 | Number | Checked, no match | — | value_domain_readtop[8 of 20]={1920×87223; 1930×74588; 1925×69419; 1950×47105; 1910×41694; 0×39850; 1940×37791; 1960×36862} | — |
| commfar | Number | Checked, no match | — | dictionary_readThe maximum allowable commercial floor area ratio, based on the zoning district classification occupying the greatest percentage of the tax lot's area as reported in ZoneDist1 | — |
| ycoord | Number | Understood | geometry.projected_coordinate.northing Northing | dictionary_read_underspecifiedThe Y coordinate of the XY coordinate pair which depicts the approximate location of the lot. | — |
| assessland | Number | Understood | quantity.money Monetary amount | dictionary_read_underspecifiedThe assessed land value for the tax lot. | — |
| overlay2 | Text | Understood | category.classification Publisher classification | dictionary_readcommercial overlay assigned to the tax lot | — |
| spdist1 | Text | Checked, no match | — | dictionary_readThe special purpose district assigned to the tax lot. | — |
| council council district | Number | Understood | place.council_district City Council District | dictionary_readThe city council district in which the tax lot is located | council_district |
| borough | Text | Understood | place.borough Borough | value_domain_read | borough |
| numfloors | Number | Checked, no match | — | dictionary_readThe number of buildings on the tax lot. | — |
| landmark | Text | Understood | category.classification Publisher classification | value_profiletop[3]={INDIVIDUAL LANDMARK×1364; INDIVIDUAL AND INTERIOR LANDMARK×97; INTERIOR LANDMARK×30} | — |
| landuse | Number | Understood | category.classification Publisher classification | dictionary_readA code for the tax lot's land use category. | — |
| spdist3 | Text | Checked, no match | — | dictionary_readThe special purpose district assigned to the tax lot. | — |
| splitzone | Checkbox | Checked, no match | — | dictionary_readA code indicating whether | — |
| irrlotcode | Checkbox | Checked, no match | — | dictionary_readA code indicating whether | — |
| comarea | Number | Understood | quantity.floor_area Floor area | dictionary_readAn estimate of the exterior dimensions of the portion of the structure(s) allocated for commercial use | — |
| officearea | Number | Understood | quantity.floor_area Floor area | dictionary_readAn estimate of the exterior dimensions of the portion of the structure(s) allocated for office use | — |
| garagearea | Number | Understood | quantity.floor_area Floor area | dictionary_readAn estimate of the exterior dimensions of the portion of the structure(s) allocated for garage use | — |
| proxcode | Number | Understood | category.classification Publisher classification | dictionary_readA code describing the physical relationship of the building to neighboring buildings. | — |
| lotfront | Number | Checked, no match | — | dictionary_readThe tax lot's depth measured in feet. | — |
| lottype | Number | Understood | category.classification Publisher classification | dictionary_readA code indicating the location of the tax lot in relationship to another tax lot and/or the water. | — |
| yearbuilt | Number | Checked, no match | — | value_domain_readtop[8 of 20]={1920×87223; 1930×74588; 1925×69419; 1950×47105; 1910×41694; 0×39850; 1940×37791; 1960×36862} | — |
| assesstot | Number | Understood | quantity.money Monetary amount | dictionary_read_underspecifiedThe assessed land value for the tax lot. | — |
| histdist | Text | Checked, no match | — | dictionary_readThe special purpose district assigned to the tax lot. | — |
| transitzone | Text | Understood | category.classification Publisher classification | value_profiletop[3]={INDIVIDUAL LANDMARK×1364; INDIVIDUAL AND INTERIOR LANDMARK×97; INTERIOR LANDMARK×30} | — |
| mih_opt4 mihopt4 | Checkbox | Checked, no match | — | dictionary_readFlag set to “1” if MIH Option | — |
| bbl BBL | Number | Checked, no match | — | value_domain_read | — |
| bct2020 | Text | Understood | place.census_tract Census Tract | dictionary_readThis field contains a seven-digit code representing the one-digit borough code followed by the six-digit census tract number. | — |
| geom | Text | Not enough to tell | — | value_profile | — |
| builtfar | Number | Checked, no match | — | dictionary_readThe BUILT FLOOR AREA RATIO is the total building floor area divided by the area of the tax lot | — |
| healthcenterdistrict | Number | Checked, no match | — | dictionary_readThe fire company that services the tax lot. | — |
| appdate | Calendar date | Understood | time.period.month Month | value_profileThe date of the apportionment. The data is in the format MM/DD/YYYY, where MM is a two-digit month, DD is the two-digit day, and YYYY is the four-digit year. | — |
| appbbl | Number | Understood | place.bbl Borough-Block-Lot | dictionary_readThe originating BBL (borough, block and lot) from the apportionment prior to the merge, split or property's conversion to a condominium. | — |
| edesignum | Text | Checked, no match | — | value_domain_readtop[8 of 20]={E-175×683; E-138×470; E-216×412; E-366×368; | — |
| residfar | Number | Checked, no match | — | dictionary_readThe maximum allowable residential floor area ratio for standard residences, based on the zoning district classification occupying the greatest percentage of the tax lot’s area as reported in ZoneDist1 | — |
| affresfar | Number | Checked, no match | — | dictionary_readThe maximum allowable residential floor area ratio for affordable housing, based on the zoning district classification occupying the greatest percentage of the tax lot’s area as reported in ZoneDist1 | — |
| mnffar | Number | Checked, no match | — | dictionary_readThe maximum allowable Manufacturing floor area ratio, based on the zoning district classification occupying the greatest percentage of the tax lot’s area as reported in ZoneDist1 | — |
| tract2010 | Number | Checked, no match | — | value_domain_readtop[8 of 20]={027900×5; 003900×5; 025100×5; 007500×5; 013800×5 | — |
| spdist2 | Text | Checked, no match | — | dictionary_readThe special purpose district assigned to the tax lot. | — |
| ownertype | Text | Understood | category.classification Publisher classification | value_profiletop[3]={INDIVIDUAL LANDMARK×1364; INDIVIDUAL AND INTERIOR LANDMARK×97; INTERIOR LANDMARK×30} | — |
| bldgfront | Number | Checked, no match | — | dictionary_readThe tax lot's depth measured in feet. | — |
| areasource | Number | Checked, no match | — | dictionary_readA code indicating the methodology used to determine the tax lot's TOTAL BUILDING FLOOR AREA (BldgArea) | — |
| healtharea | Number | Checked, no match | — | dictionary_readThe fire company that services the tax lot. | — |
| bldgdepth | Number | Checked, no match | — | dictionary_readThe tax lot's depth measured in feet. | — |
| lotdepth | Number | Checked, no match | — | dictionary_readThe tax lot's depth measured in feet. | — |
| unitsres | Number | Checked, no match | — | dictionary_readThe number of buildings on the tax lot. | — |
| numbldgs | Number | Checked, no match | — | dictionary_readThe number of buildings on the tax lot. | — |
| ownername | Text | Checked, no match | — | value_domain_readtop[8 of 20]={UNAVAILABLE OWNER×7583; NYC DEPARTMENT OF PARKS AND RECREATION×5002; | — |
| sanitsub | Text | Checked, no match | — | dictionary_readThe fire company that services the tax lot. | — |
| zoningdate | Text | Not enough to tell | — | value_profile | — |
| unitstotal | Number | Checked, no match | — | dictionary_readThe number of buildings on the tax lot. | — |
| otherarea | Number | Understood | quantity.floor_area Floor area | dictionary_readAn estimate of the exterior dimensions of the portion of the structure(s) allocated for other than commercial, residential, office, retail, garage, storage, or factory use | — |
| masdate | Text | Not enough to tell | — | value_profile | — |
| factryarea | Number | Understood | quantity.floor_area Floor area | dictionary_readAn estimate of the exterior dimensions of the portion of the structure(s) allocated for factory, warehouse or loft use | — |
| strgearea | Number | Understood | quantity.floor_area Floor area | dictionary_readAn estimate of the exterior dimensions of the portion of the structure(s) allocated for storage or loft purposes | — |
| landmkdate | Text | Not enough to tell | — | value_profile | — |
| edesigdate | Text | Not enough to tell | — | value_profile | — |
| retailarea | Number | Understood | quantity.floor_area Floor area | dictionary_readAn estimate of the exterior dimensions of the portion of the structure(s) allocated for retail use | — |
| bsmtcode | Number | Checked, no match | — | dictionary_readA code describing the building's basement. | — |
| resarea | Number | Understood | quantity.floor_area Floor area | dictionary_readAn estimate of the exterior dimensions of the portion of the structure(s) allocated for residential use | — |
| bldgarea | Number | Understood | quantity.floor_area Floor area | dictionary_readThe total gross area in square feet, except for condominium measurements which come from the Condo Declaration and are net square footage not gross. | — |
| rpaddate | Text | Not enough to tell | — | value_profile | — |
| mih_opt1 mihopt1 | Checkbox | Checked, no match | — | dictionary_readFlag set to “1” if MIH Option | — |
| lotarea | Number | Checked, no match | — | dictionary_readTotal area of the tax lot, expressed in square feet rounded to the nearest integer | — |
| dcasdate | Text | Not enough to tell | — | value_profile | — |
| bldgclass | Text | Understood | category.classification Publisher classification | dictionary_readA code describing the major use of structures on the tax lot. | — |
| overlay1 | Text | Understood | category.classification Publisher classification | dictionary_readcommercial overlay assigned to the tax lot | — |
| exempttot | Number | Understood | quantity.money Monetary amount | dictionary_readdollar amount | — |
| basempdate | Text | Not enough to tell | — | value_profile | — |
| notes | Text | Not enough to tell | — | value_profile | — |
| version | Text | Checked, no match | — | value_domain_readtop[1]={26v2×858284} | — |
| zmcode | Checkbox | Checked, no match | — | value_domain_readtop[1]={False×930} | — |
| ext | Text | Understood | category.classification Publisher classification | value_profiletop[3]={INDIVIDUAL LANDMARK×1364; INDIVIDUAL AND INTERIOR LANDMARK×97; INTERIOR LANDMARK×30} | — |
| easements | Number | Checked, no match | — | dictionary_readThe number of buildings on the tax lot. | — |
| ltdheight | Text | Checked, no match | — | dictionary_readThe limited height district assigned to the tax lot. | — |
| lot Tax lot | Number | Checked, no match | — | dictionary_readThe tax block in which the tax lot is located. | — |
| mih_opt2 mihopt2 | Checkbox | Checked, no match | — | dictionary_readFlag set to “1” if MIH Option | — |
| block Tax block | Number | Checked, no match | — | dictionary_readThe tax block in which the tax lot is located. | — |
| zonedist4 | Text | Understood | category.classification Publisher classification | dictionary_readrepresents the zoning classification occupying | — |
| zonedist3 | Text | Understood | category.classification Publisher classification | dictionary_readrepresents the zoning classification occupying | — |
| zonedist2 | Text | Understood | category.classification Publisher classification | dictionary_readrepresents the zoning classification occupying | — |
| polidate | Text | Not enough to tell | — | value_profile | — |
| zonedist1 | Text | Understood | category.classification Publisher classification | dictionary_readThe zoning district classification of the tax lot. | — |
| address | Text | Understood | place.street_address Street address | dictionary_readaddress for the tax lot | — |
| policeprct | Number | Understood | place.precinct NYPD Precinct | dictionary_readThe police precinct in which the tax lot is located | precinct |
| firecomp | Text | Checked, no match | — | dictionary_readThe fire company that services the tax lot. | — |
| zipcode postcode | Number | Understood | place.zip ZIP Code | value_domain_read | zip |
| schooldist | Number | Understood | place.school_district Community School District | dictionary_readschool district in which the tax lot is located | school_district |
| cb2010 | Number | Checked, no match | — | value_domain_read | — |
| ct2010 census tract 2010 | Number | Checked, no match | — | value_domain_read | — |
| cd community board | Number | Understood | place.community_district Community District / Board | value_profileThe community district (CD) or joint interest area (JIA) for the tax lot. The city is divided into 59 community districts and 12 joint interest areas, which are large parks or airports that are not considered part of any community district. This field consists of three digits, the first of which is the borough code (see BORO CODE). The second and third digits are the community district or joint interest area number, whichever is applicable. Joint interest areas: BOROUGH JIA NAME Manhattan 164 Central Park Bronx 226 Van Cortlandt Park 227 Bronx Park 228 Pelham Bay Park Brooklyn 355 Prospect Park 356 Gateway National Recreation Area Queens 480 LaGuardia Airport 481 Flushing Meadow/Corona Park 482 Forest Park 483 JFK International Airport 484 Gateway National Recreation Area Staten Island 595 Gateway National Recreation Area Two portions of the city, Marble Hill and Rikers Island, are legally located in one borough, but serviced by a different borough. The COMMUNITY DISTRICT associated with these areas is the community district by which they are serviced. Marble Hill is legally located in Manhattan, but is serviced by the Bronx and is divided between community districts 207 and 208. Rikers Island is legally located in the Bronx, but is serviced by Queens and is part of community district 401. COMMUNITY DISTRICT contains the value returned by Geosupport for one of the addresses assigned to the lot. If Geosupport does not return a value, COMMUNITY DISTRICT is calculated spatially using the tax lot's XY COORDINATES and DCP's Administrative District Base Map files. | — |
| mih_opt3 mihopt3 | Checkbox | Checked, no match | — | dictionary_readFlag set to “1” if MIH Option | — |
| sanborn | Text | Checked, no match | — | dictionary_readThe fire company that services the tax lot. | — |
| dcpedited | Text | Checked, no match | — | dictionary_readA code indicating the methodology used to determine the tax lot's TOTAL BUILDING FLOOR AREA (BldgArea) | — |
| taxmap | Number | Checked, no match | — | dictionary_readThe fire company that services the tax lot. | — |
| sanitdistrict | Number | Checked, no match | — | dictionary_readThe fire company that services the tax lot. | — |
| plutomapid | Number | Checked, no match | — | dictionary_readA code indicating the methodology used to determine the tax lot's TOTAL BUILDING FLOOR AREA (BldgArea) | — |
| longitude | Number | Understood | geometry.longitude Longitude | dictionary_readThe WGS 84 longitude of the latitude/longitude coordinate pair for the approximate location of the tax lot | — |
| firm07_flag | Number | Checked, no match | — | dictionary_readA code indicating the methodology used to determine the tax lot's TOTAL BUILDING FLOOR AREA (BldgArea) | — |
| pfirm15_flag | Number | Checked, no match | — | dictionary_readA code indicating the methodology used to determine the tax lot's TOTAL BUILDING FLOOR AREA (BldgArea) | — |
| latitude | Number | Understood | geometry.latitude Latitude | dictionary_readThe WGS 84 latitude of the latitude/longitude coordinate pair for the approximate location of the tax lot | — |
| xcoord | Number | Understood | geometry.projected_coordinate.easting Easting | dictionary_read_underspecifiedThe X coordinate of the XY coordinate pair which depicts the approximate location of the lot. | — |
| condono | Number | Checked, no match | — | dictionary_readThe tax block in which the tax lot is located. | — |
| zonemap | Text | Checked, no match | — | dictionary_readThe fire company that services the tax lot. | — |
| sanitboro | Number | Checked, no match | — | dictionary_readThe borough of the sanitation district that services the tax lot. | — |
| facilfar | Number | Checked, no match | — | dictionary_readThe maximum allowable community facility floor area ratio, based on the zoning district classification occupying the greatest percentage of the tax lot's area as reported in ZoneDist1 | — |