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Allschwil

Municipality in the canton of Basel-Landschaft · FSO no. 2762

Parcel data from Jul 2025, statistics computed on 26 Sept 2026.

Open map at the Allschwil center

The parcel data lists 5’096 parcels in Allschwil, covering 8.9 km². 64.1% of them have at least one registered building. The median parcel measures 565 m².

Key figures

Parcels
5’096
4% of the canton
Total area
8.9 km²

1.8% of the canton

Median area
565 m²

Canton: 690 m²

Switzerland: 870 m²

Built share
64.1%

Canton: 56.7%

Switzerland: 52%

Median year built
1968

Canton: 1979

Switzerland: 1976

About Allschwil

Allschwil ranks 2nd of 86 municipalities in the canton of Basel-Landschaft by number of parcels and holds 4% of the canton's parcels on 1.8% of its area. The median parcel in Allschwil measures 565 m², smaller than the canton median of 690 m². Allschwil is more built-up than the canton as a whole: 64.1% of its parcels have a building, against 56.7% across the canton.

The zones with the most parcels are W3 Wohnzone 3-geschossig (23.1%), Landwirtschaftszone (17.2%) and W2 Wohnzone 2-geschossig (17.1%). In total, Allschwil uses 48 zone designations.

According to the building register, Allschwil has 5’430 buildings with 11’590 dwellings, 2.1 dwellings per building on average. Most residential buildings are single-family houses (60.8%). Non-residential buildings account for 23.6% of all buildings.

Built parcels most often have their newest building from 1961 to 1980 (24.1% of them), and 18.3% have one from 2001 or later. The median year built, 1968, is earlier than in the canton as a whole (1979).

Built and unbuilt parcels

Built: 3’264 (64.1%)Unbuilt: 1’832 (35.9%)

Parcels by zone

Parcels by zone, the 12 largest zones first
ZoneParcels
W3 Wohnzone 3-geschossig1’1790.78 km²93.3%
Landwirtschaftszone8762.30 km²6.5%
W2 Wohnzone 2-geschossig8690.34 km²86.3%
W2a Wohnzone 2-geschossig4220.24 km²87.7%
Strasse innerhalb ZPS2640.43 km²6.4%
K2590.11 km²85.3%
WG4 Wohn-/Geschäftszone 4-geschossig1730.11 km²90.8%
W31670.16 km²68.3%
Wald1402.25 km²5.0%
Strasse ausserhalb ZPS1210.15 km²0.0%
W2730.05 km²78.1%
G20a Gewerbezone Gebäudehöhe 20.0m (Binningerstrasse)610.15 km²95.1%
Other zones (36 labels)4921.83 km²72.4%

Zone names are the municipal designations. A canton lists each wording separately.

Building stock

The building register lists 5’430 buildings with 11’590 dwellings here; 2’110 of them are single-family houses.

Buildings
5’430
Dwellings
11’590
Single-family houses
2’110
Building volume
8.9 million m³

Buildings by category

  • Residential3’472
  • Mixed use60
  • Non-residential1’282
  • Other616

Construction periods

Built parcels by construction period of their newest building
  • Before 1920267
  • 1920-1945504
  • 1946-1960506
  • 1961-1980788
  • 1981-2000541
  • 2001-2010293
  • 2011-2020221
  • 2021 and later83
  • Unknown year61

Maps and geodata for Allschwil

geopool works as a GIS and geoportal for Allschwil. 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.

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