Cologny
Municipality in the canton of Geneva · FSO no. 6617
Parcel data from Jul 2025, statistics computed on 26 Sept 2026.
Open map at the Cologny center
The parcel data lists 1’329 parcels in Cologny, covering 7.4 km². 73.7% of them have at least one registered building. The median parcel measures 1’472 m².
Key figures
- Parcels
- 1’329
- 1.8% of the canton
- Total area
- 7.4 km²
2.6% of the canton
- Median area
- 1’472 m²
Canton: 895 m²
Switzerland: 870 m²
- Built share
- 73.7%
Canton: 57.6%
Switzerland: 52%
- Median year built
- 1991
Canton: 1983
Switzerland: 1976
About Cologny
Cologny ranks 18th of 45 municipalities in the canton of Geneva by number of parcels and holds 1.8% of the canton's parcels on 2.6% of its area. The median parcel in Cologny measures 1’472 m², larger than the canton median of 895 m². Cologny is more built-up than the canton as a whole: 73.7% of its parcels have a building, against 57.6% across the canton.
The zones with the most parcels are Zone de développement 5 (80.6%), Zone de développement 3 (7.8%) and Zone agricole (5%). In total, Cologny uses 9 zone designations.
According to the building register, Cologny has 2’065 buildings with 2’802 dwellings, 1.4 dwellings per building on average. Most residential buildings are single-family houses (78.2%). Non-residential buildings account for 47.5% of all buildings.
Built parcels most often have their newest building from 1981 to 2000 (30% of them), and 32.6% have one from 2001 or later. The median year built, 1991, is more recent than in the canton as a whole (1983).
Built and unbuilt parcels
Built: 980 (73.7%)Unbuilt: 349 (26.3%)
Parcels by zone
| Zone | Parcels | Area | Built |
|---|---|---|---|
| Zone de développement 5 | 1’071 | 2.37 km² | 78.6% |
| Zone de développement 3 | 104 | 0.24 km² | 55.8% |
| Zone agricole | 67 | 0.72 km² | 46.3% |
| Zone de développement 4B protégée | 50 | 0.08 km² | 74.0% |
| Zone de protection de la nature et du paysage | 21 | 0.10 km² | 14.3% |
| Zone sportive | 8 | 0.07 km² | 62.5% |
| Zone de verdure | 6 | 0.07 km² | 50.0% |
| Zone des bois et forêts | 1 | < 0.01 km² | 0.0% |
| Zone des eaux et des rives | 1 | 3.79 km² | 100.0% |
Zone names are the municipal designations. A canton lists each wording separately.
Building stock
The building register lists 2’065 buildings with 2’802 dwellings here; 831 of them are single-family houses.
- Buildings
- 2’065
- Dwellings
- 2’802
- Single-family houses
- 831
- Building volume
- 2.7 million m³
Buildings by category
Construction periods
Built parcels by construction period of their newest buildingMaps and geodata for Cologny
geopool works as a GIS and geoportal for Cologny. 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.
Explore more data for Cologny
- Building zones and density Colognyin room
- ÖREB extract Colognyin lookup
- Building age Colognyin roots
- Building heights and headroom Colognyin roofs
- Solar potential Colognyin soolar
- Points of interest and accessibility Colognyin scoore
- Tax rates Colognyin taxoo
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