Canton of Basel-Stadt
Canton · 3 municipalities with parcel data
Parcel data from Nov 2026, statistics computed on 29 Oct 2026.
The parcel data lists 24’423 parcels in the canton of Basel-Stadt, covering 37 km². 88.2% of them have at least one registered building. The median parcel measures 371 m².
Key figures
- Parcels
- 24’423
- 0.6% of Switzerland
- Total area
- 37 km²
- 0.1% of Switzerland
- Median area
- 371 m²
- Switzerland: 881 m²
- Built share
- 88.2%
- Switzerland: 51%
- Median year built
- 1936
- Switzerland: 1975
About the canton of Basel-Stadt
The canton of Basel-Stadt ranks 21st of the 25 cantons with largely complete parcel data by number of parcels and 25th by total parcel area. The canton has 3 municipalities with parcel data: Basel (18’546 parcels), Riehen (5’122 parcels) and Bettingen (755 parcels).
The median parcel in the canton measures 371 m², smaller than the Swiss median of 881 m². The canton is more built-up than Switzerland as a whole: 88.2% of its parcels have a building, against 51% nationwide. Among its municipalities with at least 500 parcels, Basel has the highest share of built parcels (93.3%) and Bettingen the lowest (50.9%). Bettingen has the largest median parcel (897 m²) and Basel the smallest (318 m²).
According to the building register, a building in the canton holds 3.9 dwellings on average, against 1.5 across Switzerland. Residential buildings mix single-family houses and buildings with several dwellings: single-family houses make up 43% of them, against 63.6% across Switzerland. Non-residential buildings account for 20% of all buildings.
Built parcels most often have their newest building from 1920 to 1945 (28.5% of them), and 5.4% have one from 2001 or later. The median year built, 1936, is earlier than in Switzerland as a whole (1975).
Built and unbuilt parcels
Built: 21’547 (88.2%)
Unbuilt: 2’876 (11.8%)
Parcels by zone
| Zone | Parcels | Area | Built |
|---|---|---|---|
| Schonzone ohne Arbeitsgeschoss | 1’793 | 0.77 km² | 97.2% |
| Zone 2A ohne Arbeitsgeschoss | 1’781 | 1.27 km² | 95.6% |
| Schutzzone ohne Arbeitsgeschoss | 1’653 | 1.01 km² | 95.9% |
| Zone 5A mit Arbeitsgeschoss | 1’602 | 1.33 km² | 93.5% |
| Bauzone 2A innerhalb Siedlungsgebiet | 1’536 | 1.25 km² | 91.7% |
| Zone 2 ohne Arbeitsgeschoss | 1’486 | 0.68 km² | 98.7% |
| Zone 4 ohne Arbeitsgeschoss | 1’249 | 1.07 km² | 96.3% |
| Zone 4 mit Arbeitsgeschoss | 1’163 | 0.98 km² | 96.6% |
| Schutzzone Innenstadt | 1’141 | 0.76 km² | 80.5% |
| Bauzone 2R innerhalb Siedlungsgebiet | 1’077 | 1.12 km² | 90.4% |
| Zone 3 ohne Arbeitsgeschoss | 1’053 | 1.05 km² | 97.2% |
| Schonzone mit Arbeitsgeschoss | 956 | 0.39 km² | 93.7% |
| Other zones (52 labels) | 7’931 | 25.21 km² | 75.7% |
| No zone | 2 | 0.05 km² | 50.0% |
Zone names are the municipal designations. A canton lists each wording separately.
Building stock
The building register lists 30’440 buildings with 117’606 dwellings here; 9’938 of them are single-family houses.
- Buildings
- 30’440
- Dwellings
- 117’606
- Single-family houses
- 9’938
- Building volume
- 88.9 million m³
Buildings by category
Construction periods
Built parcels by construction period of their newest building
Maps 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.