Chalais
Municipality in the canton of Valais · FSO no. 6232
Parcel data from Nov 2026, statistics computed on 29 Oct 2026.
Open map at the Chalais centerThe parcel data lists 7’542 parcels in Chalais, covering 24.3 km². 32.6% of them have at least one registered building. The median parcel measures 650 m².
Key figures
- Parcels
- 7’542
- 1.2% of the canton
- Total area
- 24.3 km²
- 0.6% of the canton
- Median area
- 650 m²
- Canton: 518 m²
- Switzerland: 881 m²
- Built share
- 32.6%
- Canton: 26%
- Switzerland: 51%
- Median year built
- 1988
- Canton: 1980
- Switzerland: 1975
About Chalais
Chalais ranks 28th of 122 municipalities in the canton of Valais by number of parcels and holds 1.2% of the canton's parcels on 0.6% of its area. The median parcel in Chalais measures 650 m², larger than the canton median of 518 m². Chalais is more built-up than the canton as a whole: 32.6% of its parcels have a building, against 26% across the canton.
The zones with the most parcels are Zone agricole de pâturage (25.3%), Aire forestière (20.7%) and Zone centre village (9.9%). In total, Chalais uses 39 zone designations.
According to the building register, Chalais has 3’305 buildings with 3’211 dwellings, 1.0 dwellings per building on average. Most residential buildings are single-family houses (75.4%). Non-residential buildings account for 41.1% of all buildings.
Built parcels most often have their newest building from 1961 to 1980 (25.8% of them), and 31.8% have one from 2001 or later. The median year built, 1988, is more recent than in the canton as a whole (1980).
Built and unbuilt parcels
Built: 2’456 (32.6%)
Unbuilt: 5’086 (67.4%)
Parcels by zone
| Zone | Parcels | Area | Built |
|---|---|---|---|
| Zone agricole de pâturage | 1’910 | 2.18 km² | 11.7% |
| Aire forestière | 1’559 | 14.84 km² | 12.1% |
| Zone centre village | 745 | 0.14 km² | 59.9% |
| Zone résidentielle petit chalet 0.25 | 674 | 0.53 km² | 68.5% |
| Zone d'habitat résidentiel - villa de plaine 0.3 | 523 | 0.36 km² | 67.3% |
| Zone agricole protégée | 513 | 0.57 km² | 1.6% |
| Zone d'habitat collectif 0.50 | 247 | 0.16 km² | 49.0% |
| Zone d'habitat résidentiel-chalet 0.20 | 225 | 0.28 km² | 63.1% |
| Zone d'affectation différée | 108 | 0.11 km² | 8.3% |
| Zone d'habitat collectif 0.70 | 105 | 0.10 km² | 48.6% |
| Zone résidentielle chalet 0.40 | 99 | 0.06 km² | 39.4% |
| Zone d'habitat résidentiel - villa de plaine 0.3 à aménager | 97 | 0.06 km² | 51.5% |
| Other zones (27 labels) | 623 | 4.82 km² | 44.0% |
| No zone | 114 | 0.13 km² | 78.9% |
Zone names are the municipal designations. A canton lists each wording separately.
Building stock
The building register lists 3’305 buildings with 3’211 dwellings here; 1’382 of them are single-family houses.
- Buildings
- 3’305
- Dwellings
- 3’211
- Single-family houses
- 1’382
- Building volume
- 2 million m³
Buildings by category
Construction periods
Built parcels by construction period of their newest building
Maps and geodata for Chalais
geopool works as a GIS and geoportal for Chalais. Its parcel map shows the parcels of the official cadastral survey with their area, their zone from the municipal zoning plan and their buildings, on swisstopo maps. Building zones, the property map and the geodata of each parcel open on the geopool map. The ÖREB extract of a parcel (public-law restrictions on landownership) is in lookup.