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Saint-Cyr-sous-Dourdan cadastre

Essonne (91)

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Parcels
2,818
Cadastral sections
6
Recorded area (contenance)
959.8 ha
Commune code (INSEE)
91546

Sections

Planning

No planning document published on the Géoportail de l'Urbanisme.

PLU zones (share of parcel area):

Zoning plan statistics: prescriptions, information areas and easements

Local plan prescriptions

For guidance only, from the Géoportail de l'Urbanisme extraction of 15 August 2026; the linked document may have been replaced since. Only the planning document's regulations and annexes are binding. A missing item means “not recorded”, not “no constraint”.

Parcels of the commune concerned, according to the Géoportail de l'Urbanisme:

Classified woodland (EBC)
26 parcels
Remarkable coastal area
12 parcels
Building restricted (environment, risks, public interest)
6 parcels
Other prescription
4 parcels
Road, path or public transport to keep or create
2 parcels
Protected built or landscape heritage
1 parcel

Local plan information

For guidance only, from the Géoportail de l'Urbanisme extraction of 15 August 2026; the linked document may have been replaced since. Only the planning document's regulations and annexes are binding. A missing item means “not recorded”, not “no constraint”.

Parcels of the commune concerned, according to the Géoportail de l'Urbanisme:

Lead exposure risk area
17 parcels
Sanitation and waste
17 parcels
Other information
17 parcels
Transport noise sector
6 parcels
Soil information sector (pollution)
6 parcels

Public-utility easements

For guidance only, from the Géoportail de l'Urbanisme extraction of 15 August 2026; the linked document may have been replaced since. Only the planning document's regulations and annexes are binding. A missing item means “not recorded”, not “no constraint”.

Cover more than 90% of the parcels: Listed or classified site.

Parcels of the commune concerned, according to the Géoportail de l'Urbanisme:

Listed monument and its surroundings
652 parcels
Railways
7 parcels

Addresses

537 addresses on 34 streets, from the Base Adresse Nationale (national address register). Each number links to its parcel when it is known.

See the 537 addresses

Risks

This information is for guidance only and has no regulatory force: it does not replace the risk statement (état des risques, ERRIAL) to be attached to a sale or a rental, which anyone can produce free of charge on Géorisques.

Seismic zone
Zone 1 (very low)
Radon potential
Category 1 (low)
Clay shrink-swell
38% of the parcels' area with high exposure, 47% medium
Risk prevention plan
Natural or mining risk plan (PM1): 1 parcel within a perimeter recorded in the Géoportail de l'Urbanisme

Produce the risk statement (ERRIAL) on GéorisquesRisks near an address (Géorisques)

Property prices

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The cadastre is a tax record: it does not prove ownership. Why?

The cadastre is a tax record: it does not prove ownership and its boundaries have no legal force (only a surveyor's boundary marking does). Its plan is approximate: especially where it is old, it can be offset by a few metres from the buildings and the aerial imagery. The owner's name is not shown. Boundary marking (Service Public, in French)