Unterramsern
Municipality in the canton of Solothurn · FSO no. 2463
Parcel data from Nov 2026, statistics computed on 29 Oct 2026.
Open map at the Unterramsern centerPartial parcel data
The parcel data holds only 40 built parcels here, while the building register lists 86 residential and mixed-use buildings. The parcel figures below are therefore likely incomplete.
The parcel data lists 239 parcels in Unterramsern, covering 1.6 km². 16.7% of them have at least one registered building. The median parcel measures 2’105 m².
Key figures
- Parcels
- 239
- 0.2% of the canton
- Total area
- 1.6 km²
- 0.2% of the canton
- Median area
- 2’105 m²
- Canton: 855 m²
- Switzerland: 881 m²
- Built share
- 16.7%
- Canton: 51.6%
- Switzerland: 51%
- Median year built
- 1993
- Canton: 1980
- Switzerland: 1975
About Unterramsern
Unterramsern is a municipality in the canton of Solothurn.
Among the parcels in the data, the most common zones are Landwirtschaftszone (29.7%), Wald (21.8%) and Wohnzone zweigeschossig (21.3%).
According to the building register, Unterramsern has 142 buildings with 109 dwellings, 0.8 dwellings per building on average. Most residential buildings are single-family houses (78.3%). Non-residential buildings account for 39.4% of all buildings.
Among the built parcels in the data, the newest building most often dates from 1981 to 2000 (22.5%), and on 10% of them it dates from 2001 or later. The median year built is 1993.
Built and unbuilt parcels
Built: 40 (16.7%)
Unbuilt: 199 (83.3%)
Parcels by zone
| Zone | Parcels | Area | Built |
|---|---|---|---|
| Landwirtschaftszone | 71 | 1.01 km² | 5.6% |
| Wald | 52 | 0.44 km² | 19.2% |
| Wohnzone zweigeschossig | 51 | 0.04 km² | 39.2% |
| Verkehrsfläche Strasse | 32 | 0.06 km² | 12.5% |
| Kernzone | 17 | 0.01 km² | 0.0% |
| Verkehrszone Strasse | 8 | < 0.01 km² | 12.5% |
| Freihaltezone | 3 | 0.01 km² | 0.0% |
| Gewerbezone | 3 | 0.01 km² | 0.0% |
| Gewässer | 1 | < 0.01 km² | 0.0% |
| Spezialzone für Tierhaltung | 1 | < 0.01 km² | 100.0% |
Zone names are the municipal designations. A canton lists each wording separately.
Building stock
The building register lists 142 buildings with 109 dwellings here; 65 of them are single-family houses.
- Buildings
- 142
- Dwellings
- 109
- Single-family houses
- 65
- Building volume
- 154’499 m³
Buildings by category
Construction periods
Built parcels by construction period of their newest building
Maps and geodata for Unterramsern
geopool works as a GIS and geoportal for Unterramsern. 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.