Cadastre - Municipalities - CA Saint-Quentin-en-YvelinesCadastre - Communes - CA Saint-Quentin-en-Yvelines

Name: Cadastre - Municipalities - CA Saint-Quentin-en-Yvelines
Creator: datafair

Cadastre - Communes - CA Saint-Quentin-en-YvelinesCadastre - Municipalities - CA Saint-Quentin-en-Yvelines

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This API provides cadastral (land registry) data for the 12 municipalities of the Saint-Quentin-en-Yvelines urban community: Les Clayes-sous-Bois, Coignières, Élancourt, Guyancourt, Magny-les-Hameaux, Maurepas, Montigny-le-Bretonneux, Plaisir, Trappes, La Verrière, Villepreux and Voisins-le-Bretonneux. It is published by the Saint-Quentin-en-Yvelines community of agglomeration and offers free, unauthenticated access at national geographic scope. The dataset supports land-related analysis and mapping at the municipal level within this area of France.Cette donnée concerne les 12 communes de Sain-Quentin-en-Yvelines : Les Clayes-sous-Bois, Coignières, Élancourt, Guyancourt, Magny-les-Hameaux, Maurepas, Montigny-le-Bretonneux, Plaisir, Trappes, La Verrière, Villepreux et Voisins-le-Bretonneux. Origine…

land

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Data schema (9 fields)

Filterable via the API (9)

objectidanneemajicccodepcodcommnomshape_areageometryshape_lenid

Click a field to see example values.

Field	Type	Description
objectidIdentifiant interne ArcGIS	integer	Internal ArcGIS record identifier.Internal ArcGIS record identifier.
anneemajicAnnée d'intégration MAJIC	integer	Year the MAJIC cadastral data was integrated.Year the MAJIC cadastral data was integrated.
ccodepCode département	integer	Department code where the commune is located.Department code where the commune is located.
codcommID commune	integer	INSEE commune identifier code.INSEE commune identifier code.
nomNom de commune	string	Name of the commune.Name of the commune.
shape_area	number	Area of the commune's boundary polygon.Area of the commune's boundary polygon.
geometryGeometry	string	Polygon geometry of the commune boundary.Polygon geometry of the commune boundary.
shape_len	number	Perimeter length of the commune's boundary polygon.Perimeter length of the commune's boundary polygon.
id	integer	Sequential record identifier.Sequential record identifier.

Schema captured from datafair 21 days ago.

Query the data

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Sample data (5 records)

Record 1id: 1 · nom: CLAYES-SOUS-BOIS (LES)

{
  "id": 1,
  "nom": "CLAYES-SOUS-BOIS (LES)",
  "_score": null,
  "ccodep": 78,
  "codcomm": 780165,
  "geometry": "{\"type\":\"Polygon\",\"coordinates\":[[[1.9930923014831183,48.79864839141606],[1.9944474823676,48.79882934276281],[1.9946717307655781,48.798895970615014],[1.9940593605103005,48.79924946533231],[1.9940358141476722,48.799323818087444],[1.9935437421213076,48.799591212945025],[1.9933093370322115,48.79971849096363],[1.9931156733182511,48.79982364092456],[1.9930180852796635,48.799876568911635],[1.9929653684521,48.79990515701685],[1.9929670881265684,48.799914435738486],[1.9930098808892371,48.80006141027546]…",
  "objectid": 1,
  "shape_len": 12103.3397754959,
  "anneemajic": 2025,
  "shape_area": 6128130.6994
}

Record 2id: 2 · nom: COIGNIERES

{
  "id": 2,
  "nom": "COIGNIERES",
  "_score": null,
  "ccodep": 78,
  "codcomm": 780168,
  "geometry": "{\"type\":\"Polygon\",\"coordinates\":[[[1.9190289420423163,48.73307928981087],[1.9194528857491,48.733255787769146],[1.9197082585725,48.733380690617125],[1.9199380902222527,48.73357424666157],[1.9202847930847875,48.734137386710536],[1.9206552752440689,48.73473321765596],[1.9214425608889338,48.7358775527588],[1.9221756153115355,48.73680713537995],[1.9226241154083399,48.7373620498529],[1.9229510461637742,48.73777191749447],[1.9233545310797986,48.738327935420344],[1.9241223827403555,48.73938203835245],[1…",
  "objectid": 2,
  "shape_len": 15145.7652509631,
  "anneemajic": 2025,
  "shape_area": 8015383.5744
}

Record 3id: 3 · nom: ELANCOURT

{
  "id": 3,
  "nom": "ELANCOURT",
  "_score": null,
  "ccodep": 78,
  "codcomm": 780208,
  "geometry": "{\"type\":\"Polygon\",\"coordinates\":[[[1.973470294713624,48.753703456253284],[1.9767891473769215,48.75755297523668],[1.9769029461689533,48.757695913136246],[1.977108662001564,48.757954252166485],[1.9772256007056912,48.75811007897672],[1.97751986686153,48.75850240567508],[1.977644752386554,48.75866891559912],[1.9776864625921229,48.758724869297104],[1.9777411499353605,48.75879820680939],[1.97827028288711,48.75950803838899],[1.9785295609849507,48.759855711029566],[1.9785720672633726,48.7599127507315],[…",
  "objectid": 3,
  "shape_len": 20102.8204478463,
  "anneemajic": 2025,
  "shape_area": 9259415.43495
}

Record 4id: 4 · nom: GUYANCOURT

{
  "id": 4,
  "nom": "GUYANCOURT",
  "_score": null,
  "ccodep": 78,
  "codcomm": 780297,
  "geometry": "{\"type\":\"Polygon\",\"coordinates\":[[[2.088406724673116,48.752578449875536],[2.089790606996338,48.75429859984305],[2.0899527230612627,48.75423198233399],[2.0902297520415853,48.75412148648419],[2.0905131146250424,48.75401418795634],[2.091474207605857,48.753683453511556],[2.0915997412459855,48.753826727726036],[2.0916956499162667,48.75394602396191],[2.091714389606576,48.75398529495841],[2.0918339671257753,48.754269903241756],[2.091802096551477,48.75436246643693],[2.091776229310264,48.75436379073948],…",
  "objectid": 4,
  "shape_len": 16716.4136557371,
  "anneemajic": 2025,
  "shape_area": 13176187.0958
}

Record 5id: 5 · nom: MAGNY-LES-HAMEAUX

{
  "id": 5,
  "nom": "MAGNY-LES-HAMEAUX",
  "_score": null,
  "ccodep": 78,
  "codcomm": 780356,
  "geometry": "{\"type\":\"Polygon\",\"coordinates\":[[[2.0732003118737405,48.713759981843],[2.073492930798354,48.71397316011826],[2.073610007236155,48.714058377483035],[2.073724522163402,48.71413511987723],[2.0740443150864625,48.71433421599429],[2.0741177613549437,48.714375460754255],[2.0742379553073094,48.71443911752444],[2.074316313793047,48.71447932254191],[2.0743567260304143,48.714498895351944],[2.0743990258407563,48.71451929281898],[2.0744327182207067,48.71453476417502],[2.0744722190833906,48.71455217108058],[…",
  "objectid": 5,
  "shape_len": 27803.5842512939,
  "anneemajic": 2025,
  "shape_area": 16737383.6589
}

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

Verification Status

Using the API

Configuration

Base URL: https://opendata.sqy.fr/data-fair/api/v1/datasets/cadastre-communes-ca-saint-quentin-en-yvelines/
Format: openapi

License

Licence Ouverte 2.0 (France / Etalab)Open

✓ Redistributable
✓ Attribution required

Query examples

curl -s 'https://opendata.sqy.fr/data-fair/api/v1/datasets/cadastre-communes-ca-saint-quentin-en-yvelines/lines?size=20' -H 'Accept: application/json'

First 20 records of the dataset as JSON.

Full API documentation ↗

Dataset

Volume & freshness

Records

Last upstream update

2 months ago

2026-06-08

License

No license declared upstream.

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Source: datafair

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