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Helsinki land and water areasHelsingin maa- ja vesialueet

Helsingin maa- ja vesialueetHelsinki land and water areas

DatasetExecutable4/7Query nowOpen workbench Subscribe🇫🇮Finland

This dataset from the City of Helsinki provides geospatial polygon features covering land and water areas within Helsinki. Bridges and small piers have been removed from land areas and merged into the water mask, while large piers surrounded by retaining walls are classified as land. The dataset offers a detailed division between terrestrial and aquatic surfaces, suitable for mapping, spatial analysis, and planning purposes at the municipal level.Aineisto sisältää Helsingin maa- ja vesialueet aluemuotoisina paikkatietokohteina. Maa-alueista on poistettu sillat ja pienet laiturit merialueelta ja lisätty ne vesimaskiin. Isot laiturit on luokiteltu maa-alueeksi: laituri lasketaan maa-alueeksi, kun sen ympärillä kulkee tukimuuri. Silloin myös...

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Data schema (32 fields)

Click a field to see example values.

Field	Type	Description
id	int	Internal record identifier.Internal record identifier.
korttelitunnus	string	Identifier code for the city block.Identifier code for the city block.
kunta	string	Municipality code.Municipality code.
sijaintialue	string	Code identifying the location area or district.Code identifying the location area or district.
ryhma	string	Group code for the block.Group code for the block.
pintaala_kvyksPintaala kvyks	decimal	Area of the plan unit in square meters.Area of the plan unit in square meters.
rakennusoikeus	decimal	Permitted building floor area in square meters.Permitted building floor area in square meters.
kayttotarkoitusluokat	string	Land use classification category.Land use classification category.
kaavayks_lkmKaavayks lkm	int	Number of plan units within the block.Number of plan units within the block.
nimi_suomiNimi suomi	string	Name of the area in Finnish.Name of the area in Finnish.
nimi_ruotsiNimi ruotsi	string	Name of the area in Swedish.Name of the area in Swedish.
datanomistaja	string	Organization owning the source data.Organization owning the source data.
paivitetty_tietopalveluunPaivitetty tietopalveluun	date	Date the record was last updated in the data service.Date the record was last updated in the data service.
geom	geometry	Geometric shape of the land or water area.Geometric shape of the land or water area.
tietopalvelu_idTietopalvelu id	int	Identifier used in the data service.Identifier used in the data service.
tyyppi	string	Type or category of the area.Type or category of the area.
linkki	int	Reference link identifier.Reference link identifier.
katu	string	Street name associated with the location.Street name associated with the location.
kl	int	Traffic or road class code.Traffic or road class code.
kl_seliteKl selite	string	Description of the traffic or road class code.Description of the traffic or road class code.
lvuosi	int	Year of the traffic count or survey.Year of the traffic count or survey.
ha	int	Number of passenger cars counted.Number of passenger cars counted.
pa	int	Number of vans counted.Number of vans counted.
ka	int	Number of trucks counted.Number of trucks counted.
ra	int	Number of trailer trucks counted.Number of trailer trucks counted.
la	int	Number of buses counted.Number of buses counted.
mp	int	Number of motorcycles counted.Number of motorcycles counted.
rv	int	Number of heavy vehicles counted.Number of heavy vehicles counted.
autot	int	Total number of vehicles counted.Total number of vehicles counted.
raskas_liik_prosRaskas liik pros	decimal	Percentage share of heavy traffic.Percentage share of heavy traffic.
syksyn_kavlSyksyn kavl	int	Average daily traffic volume measured in autumn.Average daily traffic volume measured in autumn.
laskentapiste	string	Identifier or name of the traffic counting point.Identifier or name of the traffic counting point.

Schema captured from wfs 26 days ago.

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Sample data (3 records)

Record 1id: 1 · kunta: 091

{
  "id": 1,
  "kunta": "091",
  "ryhma": "0062",
  "nimi_suomi": null,
  "nimi_ruotsi": null,
  "kaavayks_lkm": 9,
  "sijaintialue": "041",
  "datanomistaja": "Helsinki/KMO",
  "korttelitunnus": "0910410062",
  "pintaala_kvyks": 7908,
  "rakennusoikeus": 1978,
  "kayttotarkoitusluokat": "AP Asuinpientalot",
  "paivitetty_tietopalveluun": "2026-07-20"
}

Record 2id: 2 · kunta: 091

{
  "id": 2,
  "kunta": "091",
  "ryhma": "0243",
  "nimi_suomi": null,
  "nimi_ruotsi": null,
  "kaavayks_lkm": 2,
  "sijaintialue": "028",
  "datanomistaja": "Helsinki/KMO",
  "korttelitunnus": "0910280243",
  "pintaala_kvyks": 16892,
  "rakennusoikeus": 3930,
  "kayttotarkoitusluokat": "AP Asuinpientalot",
  "paivitetty_tietopalveluun": "2026-07-20"
}

Record 3id: 3 · kunta: 091

{
  "id": 3,
  "kunta": "091",
  "ryhma": "0147",
  "nimi_suomi": null,
  "nimi_ruotsi": null,
  "kaavayks_lkm": 2,
  "sijaintialue": "017",
  "datanomistaja": "Helsinki/KMO",
  "korttelitunnus": "0910170147",
  "pintaala_kvyks": 2220,
  "rakennusoikeus": 1810,
  "kayttotarkoitusluokat": "Y Yleiset rakennukset",
  "paivitetty_tietopalveluun": "2026-07-20"
}

Live sample captured at profiling time — values may have changed upstream.

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curl -s 'https://kartta.hel.fi/ws/geoserver/avoindata/wfs?service=WFS&version=2.0.0&request=GetCapabilities' -H 'Accept: application/json'

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Distributions (1)

avoindata:Helsingin_korttelit (GeoJSON)

https://kartta.hel.fi/ws/geoserver/avoindata/wfs?service=WFS&version=2.0.0&request=GetFeature&typeNames=avoindata%3AHelsingin_korttelit&count=10000&outputFormat=application%2Fjson

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Source: wfs

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