Wartau
Municipality in the canton of St. Gallen · FSO no. 3276
Parcel data from Nov 2026, statistics computed on 29 Oct 2026.
Open map at the Wartau centerThe parcel data lists 3’534 parcels in Wartau, covering 41.8 km². 55.1% of them have at least one registered building. The median parcel measures 909 m².
Key figures
- Parcels
- 3’534
- 1.8% of the canton
- Total area
- 41.8 km²
- 2.1% of the canton
- Median area
- 909 m²
- Canton: 950 m²
- Switzerland: 881 m²
- Built share
- 55.1%
- Canton: 66.4%
- Switzerland: 51%
- Median year built
- 1979
- Canton: 1977
- Switzerland: 1975
About Wartau
Wartau ranks 17th of 75 municipalities in the canton of St. Gallen by number of parcels and holds 1.8% of the canton's parcels on 2.1% of its area. The median parcel in Wartau measures 909 m², about the same as the canton median of 950 m². Wartau is less built-up than the canton as a whole: 55.1% of its parcels have a building, against 66.4% across the canton.
The zones with the most parcels are BauG Landwirtschaftszone (32.3%), BauG Wohnzone W2 (21.3%) and BauG Dorfkernzone DK3 (6.8%). In total, Wartau uses 24 zone designations.
According to the building register, Wartau has 3’248 buildings with 2’796 dwellings, 0.9 dwellings per building on average. Most residential buildings are single-family houses (76.7%). Non-residential buildings account for 45.1% of all buildings.
Built parcels most often have their newest building from 1981 to 2000 (25.8% of them), and 20.3% have one from 2001 or later. The median year built, 1979, is close to that of the canton as a whole (1977).
Built and unbuilt parcels
Built: 1’947 (55.1%)
Unbuilt: 1’587 (44.9%)
Parcels by zone
| Zone | Parcels | Area | Built |
|---|---|---|---|
| BauG_Landwirtschaftszone | 1’140 | 24.71 km² | 29.2% |
| BauG_Wohnzone W2 | 752 | 0.59 km² | 93.2% |
| BauG_Dorfkernzone DK3 | 240 | 0.14 km² | 87.1% |
| Hinweis.Wald | 230 | 11.20 km² | 13.0% |
| BauG_Dorfkernzone DK2 | 164 | 0.10 km² | 86.0% |
| Hinweis.Verkehrsflaeche aB | 154 | 0.39 km² | 5.2% |
| BauG_Wohnzone W3 | 152 | 0.15 km² | 92.1% |
| BauG_Kernzone | 129 | 0.08 km² | 87.6% |
| Hinweis.Verkehrsflaeche iB | 128 | 0.16 km² | 8.6% |
| BauG_Grünzone Naturschutz | 104 | 2.24 km² | 12.5% |
| BauG_übriges Gemeindegebiet allg | 92 | 0.85 km² | 53.3% |
| BauG_Wohn-Gewerbezone WG3 | 65 | 0.08 km² | 93.8% |
| Other zones (12 labels) | 184 | 1.06 km² | 75.0% |
Zone names are the municipal designations. A canton lists each wording separately.
Building stock
The building register lists 3’248 buildings with 2’796 dwellings here; 1’226 of them are single-family houses.
- Buildings
- 3’248
- Dwellings
- 2’796
- Single-family houses
- 1’226
- Building volume
- 3.7 million m³
Buildings by category
Construction periods
Built parcels by construction period of their newest building
Maps and geodata for Wartau
geopool works as a GIS and geoportal for Wartau. 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.
More municipalities in the canton of St. Gallen
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