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Viriat cadastre

Ain (01)

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Parcels
10,400
Cadastral sections
66
Recorded area (contenance)
4,210 ha
Commune code (INSEE)
01451

Sections

Planning

Planning document
Local zoning plan (PLU) (01451_PLU_20260428)

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)
1,348 parcels
Building restricted (environment, risks, public interest)
1,030 parcels
Development guidelines (OAP)
818 parcels
Reserved site
388 parcels
Other prescription
58 parcels
Protected built or landscape heritage
22 parcels
Buildings in a farm or natural zone
2 parcels
Remarkable coastal area
2 parcels
Building placement rules
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:

Transport noise sector
3,774 parcels
Other information
96 parcels
Quarrying area
17 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:

Power lines
400 parcels
Railways
288 parcels
Listed monument and its surroundings
94 parcels
Classified installation or polluted site
36 parcels

Addresses

3,405 addresses on 223 streets, from the Base Adresse Nationale (national address register). Each number links to its parcel when it is known.

See the 3,405 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 1 (low)
Clay shrink-swell
19% of the parcels' area with high exposure, 81% medium
Risk prevention plan
  • Natural or mining risk plan (PM1): 1,173 parcels within a perimeter recorded in the Géoportail de l'Urbanisme
  • Technological risk plan (PM3): 155 parcels 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)