Canton of Basel-Stadt
Canton · 3 municipalities with parcel data
Parcel data from Jul 2025, statistics computed on 26 Sept 2026.
The parcel data lists 22’358 parcels in the canton of Basel-Stadt, covering 30.5 km². 88% of them have at least one registered building. The median parcel measures 343 m².
Key figures
- Parcels
- 22’358
- 0.6% of Switzerland
- Total area
- 30.5 km²
0.1% of Switzerland
- Median area
- 343 m²
Switzerland: 870 m²
- Built share
- 88%
Switzerland: 52%
- Median year built
- 1936
Switzerland: 1976
About the canton of Basel-Stadt
The canton of Basel-Stadt ranks 22nd of the 22 cantons with largely complete parcel data by total parcel area. The canton has 3 municipalities with parcel data: Basel (16’860 parcels), Riehen (4’807 parcels) and Bettingen (691 parcels).
The median parcel in the canton measures 343 m², smaller than the Swiss median of 870 m². The canton is more built-up than Switzerland as a whole: 88% of its parcels have a building, against 52% nationwide. Among its municipalities with at least 500 parcels, Basel has the highest share of built parcels (93.3%) and Bettingen the lowest (50.5%). Bettingen has the largest median parcel (907 m²) and Basel the smallest (296 m²).
According to the building register, a building in the canton holds 3.9 dwellings on average, against 1.6 across Switzerland. Residential buildings mix single-family houses and buildings with several dwellings: single-family houses make up 43% of them, against 63.5% across Switzerland. Non-residential buildings account for 20% of all buildings.
Built parcels most often have their newest building from 1920 to 1945 (31.2% of them), and 5.9% have one from 2001 or later. The median year built, 1936, is earlier than in Switzerland as a whole (1976).
Built and unbuilt parcels
Built: 19’685 (88%)Unbuilt: 2’673 (12%)
Parcels by zone
| Zone | Parcels | Area | Built |
|---|---|---|---|
| Schonzone ohne Arbeitsgeschoss | 1’707 | 0.61 km² | 97.2% |
| Zone 2A ohne Arbeitsgeschoss | 1’688 | 1.15 km² | 95.7% |
| Schutzzone ohne Arbeitsgeschoss | 1’557 | 0.52 km² | 95.8% |
| Zone 5A mit Arbeitsgeschoss | 1’485 | 1.01 km² | 93.2% |
| Bauzone 2A innerhalb Siedlungsgebiet | 1’453 | 1.13 km² | 91.9% |
| Zone 2 ohne Arbeitsgeschoss | 1’418 | 0.57 km² | 98.7% |
| Zone 4 ohne Arbeitsgeschoss | 1’143 | 0.84 km² | 96.2% |
| Zone 4 mit Arbeitsgeschoss | 1’051 | 0.75 km² | 96.8% |
| Bauzone 2R innerhalb Siedlungsgebiet | 1’034 | 1.05 km² | 90.3% |
| Schutzzone Innenstadt | 1’005 | 0.49 km² | 79.9% |
| Zone 3 ohne Arbeitsgeschoss | 970 | 0.89 km² | 97.0% |
| Schonzone mit Arbeitsgeschoss | 903 | 0.29 km² | 93.7% |
| Other zones (51 labels) | 6’944 | 21.23 km² | 74.3% |
Zone names are the municipal designations. A canton lists each wording separately.
Building stock
The building register lists 30’443 buildings with 117’544 dwellings here; 9’941 of them are single-family houses.
- Buildings
- 30’443
- Dwellings
- 117’544
- Single-family houses
- 9’941
- Building volume
- 86.2 million m³
Buildings by category
Construction periods
Built parcels by construction period of their newest buildingMaps and geodata for the canton of Basel-Stadt
geopool works as a GIS and geoportal for the canton of Basel-Stadt. 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.