Illnau-Effretikon
Municipality in the canton of Zurich · FSO no. 296
Parcel data from Jul 2025, statistics computed on 26 Sept 2026.
Open map at the Illnau-Effretikon center
The parcel data lists 5’623 parcels in Illnau-Effretikon, covering 32.9 km². 51.4% of them have at least one registered building. The median parcel measures 907 m².
Key figures
- Parcels
- 5’623
- 1.4% of the canton
- Total area
- 32.9 km²
1.9% of the canton
- Median area
- 907 m²
Canton: 814 m²
Switzerland: 870 m²
- Built share
- 51.4%
Canton: 56.8%
Switzerland: 52%
- Median year built
- 1976
Canton: 1977
Switzerland: 1976
About Illnau-Effretikon
Illnau-Effretikon ranks 6th of 160 municipalities in the canton of Zurich by number of parcels and holds 1.4% of the canton's parcels on 1.9% of its area. The median parcel in Illnau-Effretikon measures 907 m², about the same as the canton median of 814 m². Illnau-Effretikon is less built-up than the canton as a whole: 51.4% of its parcels have a building, against 56.8% across the canton.
The zones with the most parcels are Kantonale Landwirtschaftszone (27.8%), Wohnzone 1.7 (13.2%) and Wald (11.8%). In total, Illnau-Effretikon uses 30 zone designations.
According to the building register, Illnau-Effretikon has 4’660 buildings with 8’873 dwellings, 1.9 dwellings per building on average. Most residential buildings are single-family houses (63.9%). Non-residential buildings account for 35.1% of all buildings.
Built parcels most often have their newest building from 1961 to 1980 (31.3% of them), and 18.9% have one from 2001 or later. The median year built, 1976, is close to that of the canton as a whole (1977).
Built and unbuilt parcels
Built: 2’888 (51.4%)Unbuilt: 2’735 (48.6%)
Parcels by zone
| Zone | Parcels | Area | Built |
|---|---|---|---|
| Kantonale Landwirtschaftszone | 1’565 | 16.95 km² | 21.3% |
| Wohnzone 1.7 | 744 | 0.52 km² | 86.6% |
| Wald | 663 | 11.50 km² | 5.0% |
| Kernzone II | 524 | 0.33 km² | 84.0% |
| Kernzone I | 399 | 0.27 km² | 73.4% |
| Wohnzone 1.3 | 382 | 0.27 km² | 84.6% |
| Wohnzone 2.2 | 243 | 0.26 km² | 74.1% |
| Wohnzone 2.6 | 223 | 0.36 km² | 77.6% |
| Wohnzone 3.0 | 85 | 0.08 km² | 77.6% |
| Wohnzone G 3.2 | 81 | 0.08 km² | 80.2% |
| Zentrumszone 4.0 | 78 | 0.11 km² | 70.5% |
| Freihaltezone | 76 | 0.28 km² | 13.2% |
| Other zones (18 labels) | 560 | 1.91 km² | 48.6% |
Zone names are the municipal designations. A canton lists each wording separately.
Building stock
The building register lists 4’660 buildings with 8’873 dwellings here; 1’775 of them are single-family houses.
- Buildings
- 4’660
- Dwellings
- 8’873
- Single-family houses
- 1’775
- Building volume
- 7.3 million m³
Buildings by category
Construction periods
Built parcels by construction period of their newest buildingMaps and geodata for Illnau-Effretikon
geopool works as a GIS and geoportal for Illnau-Effretikon. 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 Illnau-Effretikon
- Building zones and density Illnau-Effretikonin room
- ÖREB extract Illnau-Effretikonin lookup
- Building age Illnau-Effretikonin roots
- Building heights and headroom Illnau-Effretikonin roofs
- Solar potential Illnau-Effretikonin soolar
- Points of interest and accessibility Illnau-Effretikonin scoore
- Tax rates Illnau-Effretikonin taxoo