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Longpont-sur-Orge cadastre

Essonne (91)

Parcels
4,051
Cadastral sections
19
Recorded area (contenance)
464.7 ha
Commune code (INSEE)
91347

Sections

Planning

Planning document
Local zoning plan (PLU) (91347_PLU_20151214)

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:

Protected built or landscape heritage
440 parcels
Reserved site
147 parcels
Classified woodland (EBC)
94 parcels
Ecological corridor (green and blue network)
34 parcels
Building placement rules
8 parcels
Development guidelines (OAP)
6 parcels
Protected garden or open land in a built-up area
1 parcel
Other prescription
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:

Other information
12 parcels
Transport noise sector
6 parcels
Development tax sector
4 parcels
Archaeological site
3 parcels
Urban pre-emption right
1 parcel

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”.

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

Remarkable heritage site
1,147 parcels
Listed monument and its surroundings
338 parcels
Power lines
317 parcels
Listed or classified site
46 parcels
Watercourse maintenance access
37 parcels

Addresses

2,585 addresses on 127 streets, from the Base Adresse Nationale (national address register). Each number links to its parcel when it is known.

See the 2,585 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
35% of the parcels' area with high exposure, 65% medium
Risk prevention plan
Natural or mining risk plan (PM1): 235 parcels within a perimeter recorded in the Géoportail de l'Urbanisme

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)