Gretzenbach
Municipality in the canton of Solothurn · FSO no. 2576
Parcel data from Nov 2026, statistics computed on 29 Oct 2026.
Open map at the Gretzenbach centerThe parcel data lists 1’346 parcels in Gretzenbach, covering 5.8 km². 65.8% of them have at least one registered building. The median parcel measures 845 m².
Key figures
- Parcels
- 1’346
- 1% of the canton
- Total area
- 5.8 km²
- 0.7% of the canton
- Median area
- 845 m²
- Canton: 855 m²
- Switzerland: 881 m²
- Built share
- 65.8%
- Canton: 51.6%
- Switzerland: 51%
- Median year built
- 1984
- Canton: 1980
- Switzerland: 1975
About Gretzenbach
Gretzenbach is a municipality in the canton of Solothurn and holds 1% of the canton's parcels in the data, on 0.7% of their area. The median parcel in Gretzenbach measures 845 m², about the same as the canton median of 855 m². Gretzenbach is more built-up than the canton as a whole: 65.8% of its parcels have a building, against 51.6% across the canton.
The zones with the most parcels are Wohnzone 2 (45.6%), Landwirtschaftszone (20.1%) and Wohnzone Hang (9.4%). In total, Gretzenbach uses 21 zone designations.
According to the building register, Gretzenbach has 1’338 buildings with 1’294 dwellings, 1.0 dwellings per building on average. Most residential buildings are single-family houses (82%). Non-residential buildings account for 38.9% of all buildings.
Built parcels most often have their newest building from 1981 to 2000 (35.4% of them), and 21.1% have one from 2001 or later. The median year built, 1984, is close to that of the canton as a whole (1980).
Built and unbuilt parcels
Built: 886 (65.8%)
Unbuilt: 460 (34.2%)
Parcels by zone
| Zone | Parcels | Area | Built |
|---|---|---|---|
| Wohnzone 2 | 614 | 0.44 km² | 91.4% |
| Landwirtschaftszone | 270 | 2.41 km² | 25.9% |
| Wohnzone Hang | 126 | 0.10 km² | 91.3% |
| Verkehrszone Strasse | 69 | 0.15 km² | 1.4% |
| Wald | 65 | 1.97 km² | 6.2% |
| Arbeitszone | 40 | 0.12 km² | 85.0% |
| Kernzone 2 | 33 | 0.03 km² | 87.9% |
| Industriezone | 29 | 0.27 km² | 58.6% |
| Verkehrsfläche Strasse | 19 | 0.04 km² | 0.0% |
| Gewerbezone mit erlaubter Wohnnutzung | 16 | 0.03 km² | 87.5% |
| Wohnzone 3 | 14 | 0.02 km² | 85.7% |
| Grünzone | 13 | 0.01 km² | 53.8% |
| Other zones (9 labels) | 38 | 0.23 km² | 57.9% |
Zone names are the municipal designations. A canton lists each wording separately.
Building stock
The building register lists 1’338 buildings with 1’294 dwellings here; 645 of them are single-family houses.
- Buildings
- 1’338
- Dwellings
- 1’294
- Single-family houses
- 645
- Building volume
- 1.6 million m³
Buildings by category
Construction periods
Built parcels by construction period of their newest building
Maps and geodata for Gretzenbach
geopool works as a GIS and geoportal for Gretzenbach. 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.