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Petit-Mars cadastre

Loire-Atlantique (44)

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Parcels
4,709
Cadastral sections
33
Recorded area (contenance)
2,469.3 ha
Commune code (INSEE)
44122

Sections

Planning

Planning document
Intermunicipal zoning plan (PLUi) (244400503_PLUI_20260304)

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
1,098 parcels
Remarkable coastal area
911 parcels
Building restricted (environment, risks, public interest)
449 parcels
Road, path or public transport to keep or create
157 parcels
Development guidelines (OAP)
83 parcels
Reserved site
69 parcels
Buildings in a farm or natural zone
51 parcels
Classified woodland (EBC)
45 parcels
Ecological corridor (green and blue network)
14 parcels
Retail diversity to protect or develop
9 parcels

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
436 parcels
Archaeological site
190 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”.

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

Watercourse maintenance access
81 parcels
Power lines
41 parcels

Addresses

1,674 addresses on 164 streets, from the Base Adresse Nationale (national address register). Each number links to its parcel when it is known.

See the 1,674 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 3 (moderate)
Radon potential
Category 3 (significant)
Clay shrink-swell
12% of the parcels' area with medium exposure, 85% low
Risk prevention plan
Not 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)