Chiasso
Municipality in the canton of Ticino · FSO no. 5250
Parcel data from Nov 2026, statistics computed on 29 Oct 2026.
Open map at the Chiasso centerThe parcel data lists 1’785 parcels in Chiasso, covering 5.3 km². 55.3% of them have at least one registered building. The median parcel measures 812 m².
Key figures
- Parcels
- 1’785
- 0.6% of the canton
- Total area
- 5.3 km²
- 0.2% of the canton
- Median area
- 812 m²
- Canton: 718 m²
- Switzerland: 881 m²
- Built share
- 55.3%
- Canton: 42.8%
- Switzerland: 51%
- Median year built
- 1962
- Canton: 1958
- Switzerland: 1975
About Chiasso
Chiasso is a municipality in the canton of Ticino and holds 0.6% of the canton's parcels in the data, on 0.2% of their area. The median parcel in Chiasso measures 812 m², about the same as the canton median of 718 m². Chiasso is more built-up than the canton as a whole: 55.3% of its parcels have a building, against 42.8% across the canton.
The zones with the most parcels are ZF - Zona forestale (16.5%), RI7 - Zona residenziale intensiva a 7 piani (GdS II) (8.1%) and RI6 - Zona residenziale intensiva a 6 piani (GdS II) (6.4%). In total, Chiasso uses 34 zone designations. In the data, 26.9% of the parcels have no zone designation.
According to the building register, Chiasso has 1’516 buildings with 5’621 dwellings, 3.7 dwellings per building on average. Residential buildings mix single-family houses and buildings with several dwellings: single-family houses make up 37.5% of them. Non-residential buildings account for 43.5% of all buildings.
Built parcels most often have their newest building from 1946 to 1960 (22.8% of them), and 12% have one from 2001 or later. The median year built, 1962, is close to that of the canton as a whole (1958).
Built and unbuilt parcels
Built: 987 (55.3%)
Unbuilt: 798 (44.7%)
Parcels by zone
| Zone | Parcels | Area | Built |
|---|---|---|---|
| ZF - Zona forestale | 295 | 2.33 km² | 6.8% |
| RI7 - Zona residenziale intensiva a 7 piani (GdS II) | 145 | 0.12 km² | 83.4% |
| RI6 - Zona residenziale intensiva a 6 piani (GdS II) | 115 | 0.12 km² | 79.1% |
| Zona agricola (GdS II) | 97 | 0.87 km² | 28.9% |
| RE3 - Zona residenziale estensiva a 3 piani (GdS II) | 90 | 0.07 km² | 81.1% |
| RU2 - Zona residenziale unifamiliare a 2 piani (GdS II) | 87 | 0.12 km² | 74.7% |
| RSe3 - Zona residenziale semi-estensiva a 3 piani (GdS II) | 71 | 0.07 km² | 85.9% |
| RE2 - Zona residenziale estensiva a 2 piani (GdS II) | 64 | 0.08 km² | 79.7% |
| Strada di servizio | 52 | 0.04 km² | 3.8% |
| Nucleo tradizionale (Pedrinate e Seseglio) | 43 | 0.02 km² | 86.0% |
| Zona amministrativa commerciale intensiva a 7 piani (GdS III) | 38 | 0.06 km² | 73.7% |
| Territorio senza destinazione specifica | 35 | 0.15 km² | 51.4% |
| Other zones (22 labels) | 173 | 0.86 km² | 39.9% |
| No zone | 480 | 0.43 km² | 67.3% |
Zone names are the municipal designations. A canton lists each wording separately.
Building stock
The building register lists 1’516 buildings with 5’621 dwellings here; 303 of them are single-family houses.
- Buildings
- 1’516
- Dwellings
- 5’621
- Single-family houses
- 303
- Building volume
- 4.4 million m³
Buildings by category
Construction periods
Built parcels by construction period of their newest building
Maps and geodata for Chiasso
geopool works as a GIS and geoportal for Chiasso. 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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