Troistorrents
Municipality in the canton of Valais · FSO no. 6156
Parcel data from Jul 2025, statistics computed on 26 Sept 2026.
Open map at the Troistorrents center
Canton only partly covered
The parcel data covers only about 51% of the area of the canton of Valais, so the figures for Troistorrents may be incomplete as well.
The parcel data lists 4’220 parcels in Troistorrents, covering 36.9 km². 63.1% of them have at least one registered building. The median parcel measures 1’008 m².
Key figures
- Parcels
- 4’220
- 0.7% of the canton
- Total area
- 36.9 km²
1.4% of the canton
- Median area
- 1’008 m²
Canton: 511 m²
Switzerland: 870 m²
- Built share
- 63.1%
Canton: 26.2%
Switzerland: 52%
- Median year built
- 1983
Canton: 1980
Switzerland: 1976
About Troistorrents
Troistorrents is a municipality in the canton of Valais.
Among the parcels in the data, the most common zones are Zone agricole (30.5%), Zone de moyenne densité (22.9%) and Zone de faible densité (11.8%).
According to the building register, Troistorrents has 3’543 buildings with 4’237 dwellings, 1.2 dwellings per building on average. Most residential buildings are single-family houses (75.6%). Non-residential buildings account for 30.9% of all buildings.
Among the built parcels in the data, the newest building most often dates from 1981 to 2000 (22.1%), and on 30.9% of them it dates from 2001 or later. The median year built is 1983.
Built and unbuilt parcels
Built: 2’663 (63.1%)Unbuilt: 1’557 (36.9%)
Parcels by zone
| Zone | Parcels | Area | Built |
|---|---|---|---|
| Zone agricole | 1’285 | 15.34 km² | 47.9% |
| Zone de moyenne densité | 966 | 1.00 km² | 82.1% |
| Zone de faible densité | 498 | 0.40 km² | 86.1% |
| Aire forestère | 442 | 7.89 km² | 22.4% |
| Zone de moyenne densité à aménager | 220 | 0.40 km² | 67.3% |
| Zone de faible densité à aménager | 211 | 0.28 km² | 71.1% |
| Zone du village | 165 | 0.10 km² | 82.4% |
| Zone du centre | 128 | 0.10 km² | 79.7% |
| Zone d'extension du centre | 64 | 0.08 km² | 84.4% |
| Zone d'extension du village | 35 | 0.03 km² | 80.0% |
| Ligne ferroviaire | 34 | 0.06 km² | 14.7% |
| Zone de constructions publiques A | 30 | 0.03 km² | 50.0% |
| Other zones (21 labels) | 142 | 11.15 km² | 62.0% |
Zone names are the municipal designations. A canton lists each wording separately.
Building stock
The building register lists 3’543 buildings with 4’237 dwellings here; 1’804 of them are single-family houses.
- Buildings
- 3’543
- Dwellings
- 4’237
- Single-family houses
- 1’804
- Building volume
- 2.9 million m³
Buildings by category
Construction periods
Built parcels by construction period of their newest buildingMaps and geodata for Troistorrents
geopool works as a GIS and geoportal for Troistorrents. 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.