Gossau (SG)
Municipality in the canton of St. Gallen · FSO no. 3443
Parcel data from Nov 2026, statistics computed on 29 Oct 2026.
Open map at the Gossau (SG) centerThe parcel data lists 4’448 parcels in Gossau (SG), covering 27.5 km². 65.1% of them have at least one registered building. The median parcel measures 1’035 m².
Key figures
- Parcels
- 4’448
- 2.3% of the canton
- Total area
- 27.5 km²
- 1.4% of the canton
- Median area
- 1’035 m²
- Canton: 950 m²
- Switzerland: 881 m²
- Built share
- 65.1%
- Canton: 66.4%
- Switzerland: 51%
- Median year built
- 1980
- Canton: 1977
- Switzerland: 1975
About Gossau (SG)
Gossau (SG) ranks 11th of 75 municipalities in the canton of St. Gallen by number of parcels and holds 2.3% of the canton's parcels on 1.4% of its area. The median parcel in Gossau (SG) measures 1’035 m², about the same as the canton median of 950 m². Gossau (SG) is about as built-up as the canton as a whole: 65.1% of its parcels have a building, against 66.4% across the canton.
The zones with the most parcels are BauG Wohnzone WE (20.1%), BauG Landwirtschaftszone (15.8%) and BauG Wohn-Gewerbezone WG3 (13.2%). In total, Gossau (SG) uses 26 zone designations.
According to the building register, Gossau (SG) has 4’826 buildings with 9’233 dwellings, 1.9 dwellings per building on average. Residential buildings mix single-family houses and buildings with several dwellings: single-family houses make up 56.4% of them. Non-residential buildings account for 33.8% of all buildings.
Built parcels most often have their newest building from 1981 to 2000 (27.6% of them), and 19.5% have one from 2001 or later. The median year built, 1980, is close to that of the canton as a whole (1977).
Built and unbuilt parcels
Built: 2’895 (65.1%)
Unbuilt: 1’553 (34.9%)
Parcels by zone
| Zone | Parcels | Area | Built |
|---|---|---|---|
| BauG_Wohnzone WE | 894 | 0.72 km² | 92.2% |
| BauG_Landwirtschaftszone | 701 | 15.39 km² | 45.5% |
| BauG_Wohn-Gewerbezone WG3 | 586 | 0.70 km² | 91.6% |
| BauG_Wohnzone W2 | 448 | 0.35 km² | 94.4% |
| Hinweis.Wald | 356 | 4.48 km² | 5.3% |
| Hinweis.Verkehrsflaeche iB | 310 | 0.67 km² | 4.2% |
| Hinweis.Verkehrsflaeche aB | 173 | 0.72 km² | 1.7% |
| BauG_Kernzone K3 | 150 | 0.14 km² | 91.3% |
| BauG_Wohnzone W3 | 140 | 0.25 km² | 92.1% |
| BauG_Gewerbe-Industriezone GI A | 122 | 0.65 km² | 81.1% |
| BauG_übriges Gemeindegebiet allg | 94 | 0.61 km² | 68.1% |
| BauG_Dorfkernzone DK2 | 91 | 0.09 km² | 81.3% |
| Other zones (14 labels) | 383 | 2.74 km² | 66.3% |
Zone names are the municipal designations. A canton lists each wording separately.
Building stock
The building register lists 4’826 buildings with 9’233 dwellings here; 1’487 of them are single-family houses.
- Buildings
- 4’826
- Dwellings
- 9’233
- Single-family houses
- 1’487
- Building volume
- 12.5 million m³
Buildings by category
Construction periods
Built parcels by construction period of their newest building
Maps and geodata for Gossau (SG)
geopool works as a GIS and geoportal for Gossau (SG). 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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